Intel Computer Hardware BLKDZ68BC User Manual

Intel® Desktop Board DZ68BC  
Product Guide  
Order Number: G41105-003  
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Preface  
This Product Guide gives information about board layout, component installation, BIOS  
update, and regulatory requirements for Intel® Desktop Board DZ68BC.  
Intended Audience  
The Product Guide is intended for technically qualified personnel. It is not intended for  
general audiences.  
Use Only for Intended Applications  
All Intel Desktop Boards are evaluated as Information Technology Equipment (I.T.E.)  
for use in personal computers (PC) for installation in homes, offices, schools, computer  
rooms, and similar locations. The suitability of this product for other PC or embedded  
non-PC applications or other environments, such as medical, industrial, alarm systems,  
test equipment, etc. may not be supported without further evaluation by Intel.  
Document Organization  
The chapters in this Product Guide are arranged as follows:  
1 Desktop Board Features: a summary of product features  
2 Installing and Replacing Desktop Board Components: instructions on how to install  
the Desktop Board and other hardware components  
3 Updating the BIOS: instructions on how to update the BIOS  
A Error Messages and Indicators: information about BIOS error messages and beep  
codes  
B Regulatory Compliance: describes the board’s adherence to safety standards and  
EMC regulations and its product certifications  
Conventions  
The following conventions are used in this manual:  
CAUTION  
Cautions warn the user about how to prevent damage to hardware or loss of data.  
NOTE  
Notes call attention to important information.  
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Intel Desktop Board DZ68BC Product Guide  
Terminology  
The table below gives descriptions of some common terms used in the product guide.  
Term  
GB  
Description  
Gigabyte (1,073,741,824 bytes)  
Gigahertz (one billion hertz)  
Kilobyte (1024 bytes)  
GHz  
KB  
MB  
Megabyte (1,048,576 bytes)  
Megabit (1,048,576 bits)  
Megahertz (one million hertz)  
Mb  
MHz  
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Contents  
1 Desktop Board Features  
PCI* and PCI Express* Auto Configuration .....................................................21  
Hardware Monitoring and Fan Speed Control ..................................................23  
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Intel Desktop Board DZ68BC Product Guide  
2 Installing and Replacing Desktop Board Components  
Observe Safety and Regulatory Requirements.................................................32  
Connecting the Processor Fan Heat Sink Cable................................................39  
Guidelines for Dual Channel Memory Configuration..........................................40  
Installing and Removing PCI Express x16 Graphics Cards.........................................44  
Removing a PCI Express x16 Graphics Card....................................................46  
Installing Linked PCI Express Graphics Cards..................................................46  
Connecting to the Internal Headers and Connectors................................................49  
Connecting Chassis Fan and Power Supply Cables...................................................56  
Installing the WiFi/Bluetooth* Module in a Desktop Chassis (Optional).......................66  
3 Updating the BIOS  
Updating the BIOS with the Intel® Express BIOS Update Utility.................................67  
Updating the BIOS Using the F7 Function Key ........................................................68  
Updating the BIOS with the Intel® Flash Memory Update Utility ................................68  
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Contents  
A Error Messages and Indicators  
B Regulatory Compliance  
European Union Declaration of Conformity Statement..............................................78  
Canadian Department of Communications Compliance Statement......................84  
Ensure Electromagnetic Compatibility (EMC) Compliance..................................85  
Chassis- and Component-Level Certifications..................................................87  
ENERGY STAR*, e-Standby, and ErP Compliance ....................................................88  
Figures  
1. Intel Desktop Board DZ68BC Components........................................................12  
8. Intel Desktop Board DZ68BC Mounting Screw Hole Locations..............................34  
11. Remove the Processor from the Protective Cover ..............................................37  
13. Secure the Processor Socket Load Plate in Place................................................38  
14. Connecting the Processor Fan Heat Sink Power Cable to the Processor  
15. Example Dual Channel Memory Configuration with Two DIMMs ...........................40  
16. Example Dual Channel Memory Configuration with Four DIMMs...........................41  
17. Example Dual Channel Memory Configuration with Three DIMMs .........................41  
20. Installing a PCI Express x16 Graphics Card ......................................................45  
21. Removing a PCI Express x16 Graphics Card......................................................46  
22. Installing Linked PCI Express Graphics Cards....................................................47  
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28. Location of the BIOS Configuration Jumper Block ..............................................58  
32. Intel Desktop Board DZ68BC China RoHS Material Self Declaration Table..............82  
Tables  
1. Feature Summary.......................................................................................... 9  
2. Intel Desktop Board DZ68BC Components........................................................13  
6. Front Panel Intel HD Audio Header Signal Names ..............................................50  
10. Front Panel CIR Receiver (Input) Header Signal Names......................................51  
11. Back Panel CIR Header Emitter (Output) Header Signal Names ...........................52  
13. Alternate Front Panel Power LED Header Signal Names ......................................52  
17. Jumper Settings for the BIOS Setup Program Modes..........................................59  
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1 Desktop Board Features  
This chapter briefly describes the features of Intel® Desktop Board DZ68BC. Table 1  
summarizes the major features of the Desktop Board.  
Table 1. Feature Summary  
ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters  
[9.60 inches])  
Form Factor  
Processor  
Support for an Intel® processor in the LGA1155 package  
Main Memory  
Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM)  
sockets arranged in two channels  
Support for DDR3 2133 MHz to DDR3 1066 MHz DIMMs  
Support for 1.35 V low voltage and 1.25 V ultra low voltage JEDEC  
memory  
Support for non-ECC memory  
Support for up to 32 GB of memory  
Chipset  
Intel® Z68 Express Chipset consisting of the Intel Z68 Platform  
Controller Hub (PCH) with support for Intel® Rapid Storage Technology  
(Intel® RST) and Intel® Smart Response Technology  
Graphics Support  
Integrated Graphics:  
Support for processors with Intel HD 2000 or 3000  
Graphics:  
DVI-I  
High-Definition Multi-media Interface* (HDMI*) 1.4  
DisplayPort* 1.1  
External Graphics:  
Support for multiple PCI Express* 2.0 graphics cards  
Audio  
Independent multi-streaming 8-channel (7.1) audio and 2-channel  
audio subsystem, featuring:  
Intel® High Definition (Intel® HD) Audio interface  
Realtek* ALC892 codec  
Intel HD Audio front panel header  
Onboard 4-pin S/PDIF out header  
Back panel S/PDIF out optical connector (TOSLINK)  
One PCI Express 2.0 x16 port  
Expansion  
Capabilities  
One PCI Express 2.0 x8 port (x8 electrical; x16 compatible)  
Two PCI Express 2.0 x1 ports  
Three PCI* bus connectors  
Legacy I/O  
Support  
Nuvoton W83677HG-I legacy I/O controller that provides support for:  
Consumer Infrared (CIR)  
Serial port via an onboard header  
Thermal and hardware management  
continued  
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Intel Desktop Board DZ68BC Product Guide  
Table 1. Feature Summary (continued)  
Peripheral  
Interfaces  
USB Support:  
Four USB 3.0 ports:  
Two ports implemented with stacked back panel connectors  
(blue)  
Two ports via an internal dual-port connector (blue)  
Fourteen USB 2.0 ports:  
Six ports implemented with stacked back panel connectors  
(black)  
Eight front panel ports implemented with four dual-port internal  
headers (black)  
Serial ATA (SATA) Support:  
Four SATA 6.0 Gb/s ports:  
Two ports from the Intel Z68 PCH (dark blue)  
Two ports from an onboard Marvell controller (light blue)  
Four SATA 3.0 Gb/s ports (black)  
One external SATA (eSATA) 6.0 Gb/s port on the back panel from  
an onboard Marvell controller (red)  
IEEE 1394a Support:  
One port routed to the back panel  
One port routed to the IEEE 1394a header  
Intel® Rapid Storage Technology (Intel® RST) version 10.6  
RAID  
LAN Support  
Intel 82579V Gigabit (10/100/1000 Mb/s) Ethernet LAN controller  
including an RJ-45 back panel connector with integrated status LEDs  
BIOS  
Intel® Platform Innovation Framework for extensible firmware  
interface  
32 Mb symmetrical flash memory device  
Support for SMBIOS  
Intel® Express BIOS Update  
Power Management Support for Advanced Configuration and Power Interface (ACPI)  
Suspend to RAM (STR)  
Wake on USB, PCI, PCI Express, LAN, CIR, serial port, and front  
panel  
ENERGY STAR* capable  
Hardware and  
Thermal  
Management  
Hardware and thermal management based on:  
Nuvoton W83677HG-I legacy I/O controller  
Four fan sensing inputs to monitor fan activity  
Voltage sensing to detect out of range values  
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Desktop Board Features  
Supported Operating Systems  
The Desktop Board provides full support for the following operating systems:  
Microsoft Windows* 7 Ultimate 64-bit edition  
Microsoft Windows 7 Ultimate 32-bit edition  
Microsoft Windows 7 Professional 64-bit edition  
Microsoft Windows 7 Professional 32-bit edition  
Microsoft Windows 7 Home Premium 64-bit edition  
Microsoft Windows 7 Home Premium 32-bit edition  
Microsoft Windows 7 Starter 64-bit edition  
Microsoft Windows 7 Starter 32-bit edition  
Microsoft Windows Vista* Ultimate 32-bit edition  
Microsoft Windows Vista Business 32-bit edition  
Microsoft Windows Vista Home Premium 32-bit edition  
Microsoft Windows Vista Home Basic 32-bit edition  
Microsoft Windows Vista Ultimate 64-bit edition  
Microsoft Windows Vista Business 64-bit edition  
Microsoft Windows Vista Home Premium 64-bit edition  
Microsoft Windows Vista Home Basic 64-bit edition  
The Desktop Board provides limited support for the following operating systems:  
Microsoft Windows Vista Home Basic 64-bit edition  
Microsoft Windows* XP Media Center Edition 2005  
Microsoft Windows XP Professional  
Microsoft Windows XP Professional x64 Edition  
Microsoft Windows XP Home  
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Intel Desktop Board DZ68BC Product Guide  
Desktop Board Components  
Figure 1 shows the approximate location of the major components on Intel Desktop  
Board DZ68BC.  
Figure 1. Intel Desktop Board DZ68BC Components  
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Desktop Board Features  
Table 2. Intel Desktop Board DZ68BC Components  
Label  
A
Description  
PCI bus connector  
PCI bus connector  
S/PDIF header  
B
C
D
PCI Express 2.0 x16 connector (x8 electrical; x16 compatible)  
Speaker  
E
F
PCI Express 2.0 x1 connector  
PCI bus connector  
G
H
PCI Express 2.0 x16 connector  
Rear chassis fan header  
I
J
PCI Express 2.0 x1 connector  
Back panel connectors  
K
L
12 V processor core voltage connector (2 x 4 pin)  
Processor socket  
M
N
Processor fan header  
O
DIMM 3 socket  
P
DIMM 1 socket  
Q
DIMM 4 socket  
R
DIMM 2 socket  
S
Front panel CIR receiver (input) header  
Back panel CIR transmitter (output) header  
Main power connector (2 x 12 pin)  
Standby power indicator LED  
Onboard reset button  
T
U
V
W
X
Onboard power button  
Y
Front panel header  
Z
Front chassis fan header  
Alternate front panel power LED header  
Intel Z68 PCH  
AA  
BB  
CC  
DD  
EE  
FF  
GG  
HH  
II  
JJ  
KK  
Battery  
Two 6.0 Gb/s SATA ports (Marvell controller)  
Two 6.0 Gb/s SATA ports (Intel Z68 PCH)  
Four 3.0 Gb/s SATA ports (Intel Z68 PCH)  
Serial port header  
USB 2.0 headers  
BIOS configuration jumper block  
POST code LED display  
Chassis intrusion header  
continued  
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Intel Desktop Board DZ68BC Product Guide  
Table 2. Intel Desktop Board DZ68BC Components (continued)  
Label  
LL  
Description  
USB 3.0 connector  
IEEE 1394a header  
Auxiliary chassis fan header  
Board status LEDs  
MM  
NN  
OO  
PP  
Front panel audio header  
Online Support  
For more information on Intel Desktop Board DZ68BC consult the following online  
resources:  
Intel Desktop Board DZ68BC  
Desktop Board Support  
Available configurations for Intel  
Desktop Board DZ68BC  
Supported processors  
Chipset information  
BIOS and driver updates  
Integration information  
Processor  
CAUTION  
Failure to use an appropriate power supply and/or not connecting the 12 V (2 x 4 pin)  
power connector to the Desktop Board may result in damage to the board, or the  
system may not function properly.  
Intel Desktop Board DZ68BC supports an Intel processor in the LGA1155 package.  
Processors are not included with the Desktop Board and must be purchased  
separately. The processor connects to the Desktop Board through the LGA1155  
socket.  
For information on supported processors for Intel Desktop Board DZ68BC, go  
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Desktop Board Features  
Main Memory  
NOTE  
To be fully compliant with all applicable Intel® SDRAM memory specifications, the  
board should be populated with DIMMs that support the Serial Presence Detect (SPD)  
data structure. If your memory modules do not support SPD, you will see a  
notification to this effect on the screen at power up. The BIOS will attempt to  
configure the memory controller for normal operation.  
The Desktop Board supports the following memory and interface:  
Four 240-pin Double Data Rate 3 (DDR3) SDRAM Dual Inline Memory Module  
(DIMM) sockets with gold-plated contacts arranged in two channels  
2133 MHz to 1066 MHz DDR3 SDRAM Memory Modules  
Support for single- and dual-channel memory interleaving  
Unbuffered, non-registered single- or double-sided DIMMs with a voltage rating of  
1.65 V or less  
CAUTION  
Using a DIMM with a voltage rating higher than 1.65 V may damage the  
processor.  
Non-ECC DDR3 memory  
Serial Presence Detect (SPD) memory only  
Up to 32 GB maximum total system memory using 8 GB DIMMs  
NOTE  
32-bit operating systems are limited to a maximum of 4 GB of memory.  
These operating systems will report less than 4 GB because of the memory  
used by add-in graphics cards and other system resources.  
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Intel Desktop Board DZ68BC Product Guide  
Intel® Z68 Express Chipset  
The Intel Z68 Express Chipset consists of the Intel Z68 PCH. The Intel Z68 PCH  
includes Intel Rapid Storage Technology and Intel Smart Response Technology.  
Intel® Rapid Storage Technology  
Intel Rapid Storage Technology version 10.6 enables Intel Smart Response Technology  
and full Serial ATA (SATA) interface speed up to 6 Gb/s to support next-generation  
Solid State Drives (SSDs) or traditional Hard Disk Drives (HDDs). Intel Rapid Storage  
Technology 10.6 also adds support for greater than 2.2 TB HDDs in a RAID  
configuration.  
Intel® Smart Response Technology  
Intel Smart Response Technology supports a single drive volume that combines the  
high-performance benefits of SSDs with the large storage capacities of traditional  
HDDs to dramatically increase system responsiveness and enable faster boot times.  
The two technologies (SSD and HDD) appear as a single C:\ drive letter that provides  
you with the familiar storage identifier.  
The system automatically learns which files you access frequently and then copies  
them from the HDD to the SSD. The next time you request these files, the system  
loads them from the fast SSD rather than the slower HDD. For infrequently-used files,  
the system loads them from the HDD when you need them.  
For more information on Intel Smart Response Technology refer  
Audio Subsystem  
The onboard audio subsystem consists of the following components:  
Intel Z68 PCH  
Realtek ALC892 codec  
The subsystem has the following headers and connectors:  
Back panel audio connectors, including an S/PDIF out optical port.  
Advanced jack sense for the back panel audio connectors that enables the audio  
codec to recognize the device that is connected to an audio port  
Front panel audio header that supports Intel HD Audio and AC ‘97 Audio. This  
header provides mic in and line out signals for front panel audio connectors.  
An onboard S/PDIF output header  
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Desktop Board Features  
The audio subsystem supports the following features:  
A signal-to-noise (S/N) ratio of 97 dB  
Independent multi-streaming 8-channel (7.1) audio (using the back panel audio  
connectors) and 2-channel audio (using the Intel HD Audio front panel header)  
Table 3 lists the supported functions of front panel and back panel audio jacks.  
Table 3. Audio Jack Retasking Support  
Micro-  
phone/  
Audio  
Jack  
Side  
Surround  
Head-  
phones  
Front  
Speakers  
Side  
Surround  
Rear  
Surround  
Center/  
Subwoofer  
Line In  
FP Green  
FP Pink  
Default  
Default  
Default  
BP Blue  
BP Green  
Default  
Control  
panel  
Default  
BP Pink  
Default  
BP Black  
BP Orange  
Default  
Default  
LAN Subsystem  
The LAN subsystem includes:  
Intel Z68 PCH  
Intel 82579V Gigabit (10/100/1000 Mb/s) Ethernet LAN controller  
RJ-45 LAN connector with integrated status LEDs  
The subsystem features:  
CSMA/CD protocol engine  
LAN connect interface between the Intel Z68 PCH and the LAN controller  
PCI bus power management  
Two LEDs are built into the RJ-45 LAN connector located on the back panel  
(see Figure 2). These LEDs indicate the status of the LAN as shown in Table 4.  
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Figure 2. LAN Connector LEDs  
Table 4. LAN Connector LEDs  
LED  
LED Color  
LED State  
Off  
Indicates  
A
Green  
LAN link is not established  
LAN link is established  
LAN activity is occurring  
10 Mb/s data rate  
On  
Blinking  
Off  
B
N/A  
Green  
Yellow  
On  
100 Mb/s data rate  
1000 Mb/s data rate  
On  
USB Support  
The Desktop Board supports USB 2.0 and USB 3.0. There are 14 USB 2.0 ports (six  
ports routed to back panel connectors and eight ports routed to four onboard  
headers). The USB 2.0 ports are high-speed, full-speed, and low-speed capable.  
USB 3.0 is supported with two back panel connectors (blue) and one onboard dual-  
port connector (blue). USB 3.0 ports are backward compatible with USB 2.0 and  
USB 1.1 devices. The USB 3.0 ports are SuperSpeed, high-speed, full-speed, and low-  
speed capable.  
SATA Support  
Intel Desktop Board DZ68BC provides the following SATA support:  
Two onboard 6.0 Gb/s SATA channels provided by the Intel Z68 PCH (dark blue  
connectors)  
Two onboard 6.0 Gb/s SATA channels provided by a Marvell 88SE9128 SATA  
controller (light blue connectors)  
Four onboard 3.0 Gb/s SATA channels provided by the Intel Z68 PCH (black  
connectors)  
One back panel 6.0 Gb/s eSATA channel (red connector)  
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Desktop Board Features  
SATA RAID  
The onboard SATA channels provided by the Intel Z68 PCH support Intel Rapid Storage  
Technology version 10.6 which provides the following RAID (Redundant Array of  
Independent Drives) levels:  
RAID 0 - data striping  
RAID 1 - data mirroring  
RAID 0+1 (or RAID 10) - data striping and data mirroring  
RAID 5 - distributed parity  
Legacy I/O  
Intel Desktop Board DZ68BC includes a legacy I/O controller that provides the  
following I/O features:  
Consumer Infrared (CIR) support  
Serial port support via an onboard header  
Low pin count (LPC) interface  
Intelligent power management, including a programmable wake up event interface  
PCI power management support  
Expandability  
Intel Desktop Board DZ68BC provides the following expansion capability:  
One PCI Express 2.0 x16 port  
One PCI Express 2.0 x8 port (x8 electrical; x16 compatible)  
Two PCI Express 2.0 x1 ports  
Three PCI bus connectors  
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Intel Desktop Board DZ68BC Product Guide  
Bluetooth*/WiFi Support  
Intel Desktop Board DZ68BC ships with an external Bluetooth*/WiFi module that  
allows you to connect to wireless networks and Bluetooth peripherals. For instructions  
on how to install the Bluetooth/WiFi module in a desktop chassis, refer to “Installing  
Bluetooth Technology  
The Bluetooth/WiFi Module enables you to connect with a variety of Bluetooth-enabled  
devices. Driver support is provided by Microsoft operating systems such as Microsoft  
Vista and Microsoft Windows 7. The Bluetooth driver stack is supplied by Microsoft but  
some Bluetooth enabled devices might provide additional Bluetooth features and for  
proper functioning of those features, will need their own supplied drivers installed.  
CSR Bluetooth module (BC0401PC08)  
Maximum data rate 3.0 Mb/s  
Forward and backward compatibility with Bluetooth v1.1, v1.2, v2.0, and v2.1  
Integrated antenna  
Operating system support for Windows XP, Windows Vista, and Windows 7 both  
32 bit and 64 bit  
To obtain more Bluetooth information and drivers go to http://msdn.microsoft.com/en-  
WiFi 802.11 Wireless  
The Bluetooth/WiFi Module also enables you to connect with a variety of WiFi enabled  
networks and access points and also allows peer to peer connections. Driver support  
is provided by Microsoft operating systems such as Microsoft Vista and Microsoft  
Windows 7 with additional support provided by the supplied WiFi driver included on the  
Driver DVD and online.  
Ralink WiFi 802.11 (RT8070)  
Range up to 300 meters  
Supports the following:  
IEEE 802.11B supports up to 11 Mb/s data rate  
IEEE 802.11G supports up to 54 Mb/s data rate  
IEEE 802.11N supports up to 150 Mb/s data rate  
Integrated antenna  
Operating system support for Windows XP, Windows Vista, and Windows 7 both  
32 bit and 64 bit  
To obtain more WiFi information and drivers go to http://msdn.microsoft.com/en-  
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Desktop Board Features  
BIOS  
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the  
PCI/PCI Express and SATA auto-configuration utilities. The BIOS is stored in a Serial  
Peripheral Interface (SPI) Flash device.  
The BIOS can be updated by following the instructions in Chapter 3 starting on  
page 67.  
Serial ATA Auto Configuration  
If you install a Serial ATA device (such as a hard drive) in your computer, the auto-  
configuration utility in the BIOS automatically detects and configures the device for  
your computer. You do not need to run the BIOS Setup program after installing a  
Serial ATA. You can override the auto-configuration options by specifying manual  
configuration in the BIOS Setup program.  
PCI* and PCI Express* Auto Configuration  
If you install a PCI/PCI Express add-in card in your computer, the PCI/PCI Express  
auto-configuration utility in the BIOS automatically detects and configures the  
resources (IRQs, DMA channels, and I/O space) for that add-in card. You do not need  
to run the BIOS Setup program after you install a PCI/PCI Express add-in card.  
Security Passwords  
The BIOS includes security features that restrict whether the BIOS Setup program can  
be accessed and who can boot the computer. A supervisor password and a user  
password can be set for the BIOS Setup and for booting the computer, with the  
following restrictions:  
The supervisor password gives unrestricted access to view and change all Setup  
options. If only the supervisor password is set, pressing <Enter> at the password  
prompt of Setup gives the user restricted access to Setup.  
If both the supervisor and user passwords are set, you must enter either the  
supervisor password or the user password to access Setup. Setup options are then  
available for viewing and changing depending on whether the supervisor or user  
password was entered.  
Setting a user password restricts who can boot the computer. The password  
prompt is displayed before the computer is booted. If only the supervisor  
password is set, the computer boots without asking for a password. If both  
passwords are set, you can enter either password to boot the computer.  
Related Links:  
For instructions on resetting the password, go to Clearing Passwords on page 59.  
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Intel Desktop Board DZ68BC Product Guide  
Back to BIOS Button  
The back panel Back to BIOS button (Figure 3, A) duplicates the functionality of the  
BIOS configuration jumper (see Setting the BIOS Configuration Jumper on page 58)  
with the following exceptions:  
It can only be used to force the board to power on to the BIOS Maintenance Menu  
using default values but it will retain all previously saved changes.  
It cannot be used to override passwords set in the BIOS.  
It cannot be used to invoke BIOS recovery mode.  
The button glows red when it is activated.  
NOTE  
Using the Back to BIOS button does not set the board to the factory BIOS  
defaults. To restore settings to the factory defaults, use the <F9> key once  
BIOS setup mode is active.  
Figure 3. Location of the Back to BIOS Button  
Hardware Management  
The hardware management features of Intel Desktop Board DZ68BC enable the board  
to be compatible with the Wired for Management (WfM) specification. The board has  
several hardware management features including the following:  
Fan speed monitoring and control  
Thermal and voltage monitoring  
Chassis intrusion detection  
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Desktop Board Features  
Hardware Monitoring and Fan Speed Control  
The features of the hardware monitoring and fan speed control include:  
Monitoring of power supply voltages to detect levels above and below acceptable  
values  
Smart fan control provided by the legacy I/O controller, delivering acoustically-  
optimized thermal management. Fan speed controllers and sensors are integrated  
into the legacy I/O controller.  
A thermal sensor in the processor  
Thermally monitored closed-loop fan control, for all onboard fans, that can adjust  
fan speed  
Chassis Intrusion  
The board supports a chassis security feature that detects if the chassis cover has  
been removed. The security feature uses a mechanical switch on the chassis that can  
be connected to the chassis intrusion header on the Desktop Board. See Figure 24, D  
for the location of the chassis intrusion header.  
Power Management  
Power management is implemented at several levels, including software support  
through the Advanced Configuration and Power Interface (ACPI) and the following  
hardware support:  
Power connectors  
Fan headers  
LAN wake capabilities  
Instantly Available PC technology (Suspend to RAM)  
Standby Power Indicator LED  
Wake from USB  
Power Management Event signal (PME#) wakeup support  
WAKE# signal wake-up support  
Wake from Consumer IR  
Wake from serial port  
Software Support  
ACPI  
ACPI gives the operating system direct control over the power management and Plug  
and Play functions of a computer. The use of ACPI with the Desktop Board requires an  
operating system that provides full ACPI support.  
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Intel Desktop Board DZ68BC Product Guide  
Hardware Support  
Power Connectors  
ATX12V-compliant power supplies can turn off the computer power through system  
control. When an ACPI-enabled computer receives the correct command, the power  
supply removes all non-standby voltages.  
When resuming from an AC power failure, the computer returns to the power state it  
was in before power was interrupted (either on or off). The computer’s response can  
be set by using the Last Power State feature in the BIOS Setup program’s Boot menu.  
The Desktop Board has three power connectors. See Figure 27 on page 57 for the  
location of the power connectors.  
Fan Headers  
The function/operation of the fans is as follows:  
The fans are on when the computer is in the ACPI S0 state.  
The fans are off when the computer is in the ACPI S3, S4, or S5 state.  
Each fan header is wired to a tachometer input of the hardware monitoring and  
control device.  
All fan headers support closed-loop fan control that can adjust the fan speed or  
switch the fan on or off as needed.  
All fan headers have a +12 V DC connection.  
The Desktop Board has a 4-pin processor fan header and three 4-pin chassis fan  
headers.  
LAN Wake Capabilities  
CAUTION  
For LAN wake capabilities, the 5 V standby line for the power supply must be capable  
of delivering adequate +5 V standby current. Failure to provide adequate standby  
current when using this feature can damage the power supply.  
LAN wakeup capabilities enable remote wake-up of the computer through a network.  
The LAN subsystem monitors network traffic and upon detecting a Magic Packet*  
frame, it asserts a wake-up signal that powers up the computer.  
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Desktop Board Features  
Instantly Available PC Technology  
CAUTIONS  
For Instantly Available PC technology, the 5 V standby line for the power supply must  
be capable of delivering adequate +5 V standby current. Failure to provide adequate  
standby current when using this feature can damage the power supply and/or effect  
ACPI S3 sleep state functionality.  
Power supplies used with this Desktop Board must be able to provide enough standby  
current to support the standard Instantly Available (ACPI S3 sleep state) configuration.  
If the standby current necessary to support multiple wake events from the PCI and/or  
USB buses exceeds power supply capacity, the Desktop Board may lose register  
settings stored in memory.  
Instantly Available PC technology enables the board to enter the ACPI S3 (Suspend-to-  
RAM) sleep state. While in the S3 sleep state, the computer will appear to be off. If  
the computer has a dual-colored power LED on the front panel, the sleep state is  
indicated by the LED turning amber. When signaled by a wake-up device or event, the  
computer quickly returns to its last known awake state.  
The Desktop Board supports the PCI Bus Power Management Interface Specification.  
Add-in cards that support this specification can participate in power management and  
can be used to wake the computer.  
Standby Power Indicator LED  
CAUTION  
If the AC power has been switched off and the standby power indicator is still lit,  
disconnect the power cord before installing or removing any devices connected to the  
board. Failure to do so could damage the board and any attached devices.  
The Desktop Board’s standby power indicator, shown in Figure 4, is lit when there is  
standby power still present on the board even when the computer appears to be off.  
For example, when this green LED is lit, standby power is still present at the memory  
module sockets and the PCI Express connector.  
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Intel Desktop Board DZ68BC Product Guide  
Figure 4. Location of the Standby Power Indicator  
For more information on standby current requirements for the Desktop Board, refer to  
the Technical Product Specification  
Wake from USB  
NOTE  
Wake from USB requires the use of a USB peripheral that supports Wake from USB  
and an operating system that supports Wake from USB.  
USB bus activity wakes the computer from an ACPI S3 state.  
PME# Signal Wake-up Support  
When the PME# signal on the PCI bus is asserted, the computer wakes from an  
ACPI S3, S4, or S5 state.  
WAKE# Signal Wake-up Support  
When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from  
an ACPI S3, S4, or S5 state.  
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Desktop Board Features  
Wake from Consumer IR  
Consumer IR device activity wakes the computer from an ACPI S3, S4, or S5 state.  
Wake from Serial Port  
Serial port activity wakes the computer from an ACPI S3, S4, or S5 state.  
Onboard Power and Reset Buttons  
The lighted Power button on the Desktop Board (Figure 5, A) can be used to turn the  
computer on or off. This button duplicates the function of the front panel power  
button. To turn off the computer using the onboard Power button, press it for three  
seconds.  
The Power button stays lit when there is standby power still present on the board.  
This is the case even when the computer appears to be off. For example, when this  
button is lit, standby power is still present at the memory module sockets and the PCI  
bus connectors.  
CAUTION  
If the AC power has been switched off and the onboard power button is still lit,  
disconnect the power cord before installing or removing any devices connected to the  
board. Failure to do so could damage the board and any attached devices.  
The lighted Reset button on the Desktop Board (Figure 5, B) can be used to reset the  
board. This button duplicates the function of the front panel Reset button.  
Figure 5. Onboard Power and Reset Buttons  
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Intel Desktop Board DZ68BC Product Guide  
Board Status LEDs  
The Desktop Board includes thirteen LEDs that allow you to monitor the board’s  
progress through the BIOS Power-on Self-Test, Hard Drive activity, processor and  
voltage regulator temperature, and certain error conditions. At initial power on, all the  
LEDs are off. Figure 6 shows the location the LEDs and Table 5 briefly describes their  
function.  
Table 5. Board Status LEDs  
Item/Callout  
LED  
Color  
Activity  
Description  
A
Hard Drive Activity  
Blue  
This LED blinks on and off with hard  
drive activity.  
B
Processor Hot  
Red  
When lit, this LED indicates an elevated  
temperature on the processor that  
could affect performance.  
C
Voltage Regulator Hot  
Red  
Red  
When lit, this LED indicates an elevated  
temperature in the processor voltage  
regulator circuit that could affect  
performance.  
D
Watch Dog Timer Fire/  
Back to BIOS  
When the watch dog timer fires to reset  
the board, this LED will flash.  
In addition, this LED will light and stay  
on when the Back to BIOS button has  
been pressed.  
E
F
Processor Initialization  
Memory Initialization  
Video Initialization  
Green  
Green  
Green  
Green  
Green  
This LED will flash when the processor  
initialization activity starts. Then the  
LED will stay on when processor  
initialization is complete.  
This LED will flash when the memory  
initialization activity starts. Then the  
LED will stay on when memory  
initialization is complete.  
G
H
I
This LED will flash when the video  
initialization activity starts. Then the  
LED will stay on when video  
initialization is complete.  
USB Initialization  
This LED will flash when the USB  
initialization activity starts. Then the  
LED will stay on when USB initialization  
is complete.  
Hard Drive Initialization  
This LED will flash when the hard drive  
activity starts. Then the LED will stay  
on when hard drive initialization is  
complete.  
continued  
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Desktop Board Features  
Table 5. Board Status LEDs (continued)  
Item/Callout  
LED  
Color  
Option ROM Initialization Green  
Activity  
Description  
J
This LED will flash when the option  
ROM activity starts. Then the LED will  
stay on when option ROM initialization  
is complete.  
K
OS Start  
Green  
Just before the BIOS transfers control  
to the operating system, this LED will  
light and stay on.  
L
IERR#_LED  
PME#_LED  
Red  
Red  
M
Figure 6. Location of the Diagnostic LEDs  
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Intel Desktop Board DZ68BC Product Guide  
Speaker  
A speaker is mounted on the Desktop Board. The speaker provides audible error code  
(beep code) information during the Power-On Self-Test (POST). Refer to Appendix A  
for a description of the board’s beep codes.  
Battery  
A battery on the Desktop Board keeps the values in CMOS RAM and the clock current  
when the computer is turned off. Go to page 60 for instructions on how to replace the  
battery.  
Real-Time Clock  
The Desktop Board has a time-of-day clock and 100-year calendar. The battery on the  
Desktop Board keeps the clock current when the computer is turned off.  
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2 Installing and Replacing Desktop  
Board Components  
This chapter tells you how to:  
Install the I/O shield  
Install and remove the Desktop Board  
Install and remove a processor  
Install and remove memory  
Install and remove a PCI Express x16 graphics card  
Connect SATA cables  
Connect to the internal headers  
Connect to the audio system  
Connect chassis fan and power supply cables  
Set the BIOS configuration jumper  
Clear passwords  
Replace the battery  
Install the WiFi/BlueTooth Module (optional)  
Before You Begin  
CAUTIONS  
The procedures in this chapter assume familiarity with the general terminology  
associated with personal computers and with the safety practices and regulatory  
compliance required for using and modifying electronic equipment.  
Disconnect the computer from its power source and from any telecommunications  
links, networks, or modems before performing any of the procedures described in this  
chapter. Failure to disconnect power, telecommunications links, networks, or modems  
before you open the computer or perform any procedures can result in personal injury  
or equipment damage. Some circuitry on the board can continue to operate even  
though the front panel power button is off.  
Follow these guidelines before you begin:  
Always follow the steps in each procedure in the correct order.  
Set up a log to record information about your computer, such as model, serial  
numbers, installed options, and configuration information.  
Electrostatic discharge (ESD) can damage components. Perform the procedures  
described in this chapter only at an ESD workstation using an antistatic wrist strap  
and a conductive foam pad. If such a station is not available, you can provide  
some ESD protection by wearing an antistatic wrist strap and attaching it to a  
metal part of the computer chassis.  
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Intel Desktop Board DZ68BC Product Guide  
Installation Precautions  
When you install and test the Intel Desktop Board, observe all warnings and cautions  
in the installation instructions.  
To avoid injury, be careful of:  
Sharp pins on connectors  
Sharp pins on printed circuit assemblies  
Rough edges and sharp corners on the chassis  
Hot components (such as processors, voltage regulators, and heat sinks)  
Damage to wires that could cause a short circuit  
Observe all warnings and cautions that instruct you to refer computer servicing to  
qualified technical personnel.  
Prevent Power Supply Overload  
Do not overload the power supply output. To avoid overloading the power supply,  
make sure that the calculated total current loads of all the modules within the  
computer is less than the output current rating of each of the power supplies output  
circuits.  
Observe Safety and Regulatory Requirements  
Read and follow the instructions in this section and the instructions supplied with the  
chassis and associated modules. If you do not follow these instructions and the  
instructions provided by the chassis and module suppliers, you increase your safety  
risk and the possibility of noncompliance with regional laws and regulations. If the  
instructions for the chassis are inconsistent with these instructions or the instructions  
for associated modules, contact the supplier to find out how you can ensure that your  
computer meets safety and regulatory requirements.  
For information about the Desktop Board’s regulatory compliance, refer to Appendix B.  
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Installing and Replacing Desktop Board Components  
Installing the I/O Shield  
The Desktop Board comes with an I/O shield. When installed in the chassis, the shield  
blocks radio frequency transmissions, protects internal components from dust and  
foreign objects, and promotes correct airflow within the chassis.  
Install the I/O shield before installing the Desktop Board in the chassis. Place the  
shield inside the chassis as shown in Figure 7. Press the shield into place so that it fits  
tightly and securely. If the shield does not fit, obtain a properly sized shield from the  
chassis supplier.  
Figure 7. Installing the I/O Shield  
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Intel Desktop Board DZ68BC Product Guide  
Installing and Removing the Desktop Board  
CAUTION  
Only qualified technical personnel should perform this procedure. Disconnect the  
computer from its power source before performing the procedures described here.  
Failure to disconnect the power before you open the computer can result in personal  
injury or equipment damage.  
Refer to your chassis manual for instructions on installing and removing the Desktop  
Board.  
Figure 8 shows the location of the mounting screw holes for Intel Desktop Board  
DZ68BC.  
Figure 8. Intel Desktop Board DZ68BC Mounting Screw Hole Locations  
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Installing and Replacing Desktop Board Components  
Installing and Removing a Processor  
Instructions on how to install the processor on the Desktop Board are given below.  
Installing a Processor  
CAUTION  
Before installing or removing a processor, make sure the AC power has been removed  
by unplugging the power cord from the computer. Failure to do so could damage the  
processor and the board.  
To install a processor, follow these instructions:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Unlatch the processor socket lever by pushing it down and away from the socket  
(Figure 9, A, B).  
Figure 9. Unlatch the Processor Socket Lever  
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Intel Desktop Board DZ68BC Product Guide  
3. Rotate the socket lever to lift the load plate away from the socket (Figure 10, A).  
Make sure that the load plate is in the fully open position (Figure 10, B) while being  
careful not to damage adjacent components. Do not touch the socket contacts.  
Figure 10. Lift the Processor Socket Load Plate  
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Installing and Replacing Desktop Board Components  
4. Remove the processor from its protective cover. Hold the processor only at the  
edges, being careful not to touch the bottom of the processor (see Figure 11).  
NOTE  
Do not discard the processor cover. Always replace the processor cover if you  
remove the processor from the socket.  
Figure 11. Remove the Processor from the Protective Cover  
5. Hold the processor with your thumb and index finger oriented as shown  
in Figure 12 to align your fingers with the socket finger cutouts. Make sure that  
the processor Pin 1 indicator (gold triangle) is aligned with the Pin 1 chamfer on  
the socket (Figure 12, B) and that the notches on the processor align with the  
posts on the socket (Figure 12, C). Lower the processor straight down without  
tilting or sliding it in the socket (Figure 12, A).  
Figure 12. Install the Processor  
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Intel Desktop Board DZ68BC Product Guide  
7. Carefully lower the socket lever (Figure 13, A) while making sure that the front  
edge of the load plate slides under the shoulder screw cap as the lever is lowered.  
Latch the socket lever under the load plate tab (Figure 13, C, D). The socket cover  
(Figure 13, B) will pop off as shown.  
Figure 13. Secure the Processor Socket Load Plate in Place  
8. Pick up the socket cover and remove it from the desktop board.  
NOTE  
Do not discard the socket cover; save it for possible future use. Always replace  
the socket cover if you remove the processor from the socket.  
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Installing and Replacing Desktop Board Components  
Installing the Processor Fan Heat Sink  
Intel Desktop Board DZ68BC has mounting holes for a processor fan heat sink. For  
instructions on how to attach the processor fan heat sink to the Desktop Board, refer  
to the boxed processor manual or boxed thermal solution manual.  
Connecting the Processor Fan Heat Sink Cable  
Connect the processor fan heat sink power cable to the 4-pin processor fan header  
(see Figure 14). A fan with a 4-pin connector as shown in Figure 14 is recommended.  
Figure 14. Connecting the Processor Fan Heat Sink Power Cable to the  
Processor Fan Header  
Removing the Processor  
For instructions on how to remove the processor fan heat sink and processor, refer to  
the processor installation manual.  
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Intel Desktop Board DZ68BC Product Guide  
Installing and Removing System Memory  
Desktop board DZ68BC has four 240-pin DDR3 DIMM sockets arranged in two  
channels (A and B).  
Guidelines for Dual Channel Memory Configuration  
Before installing DIMMs, read and follow these guidelines for dual channel memory  
configuration.  
Two or Four DIMMs  
Install a matched pair of DIMMs equal in speed and size (see Figure 15) in the blue  
socket of channel A (DIMM 1) and channel B (DIMM 2).  
Figure 15. Example Dual Channel Memory Configuration with Two DIMMs  
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Installing and Replacing Desktop Board Components  
If additional memory is to be used, install another matched pair of DIMMs  
(see Figure 16) in the black socket of channel A (DIMM 3) and channel B (DIMM 4).  
Figure 16. Example Dual Channel Memory Configuration with Four DIMMs  
Three DIMMs  
If you want to use three DIMMs in a dual-channel configuration, install a matched pair  
of DIMMs equal in speed and size in DIMM 1 and DIMM 3 of channel A. Then install  
another DIMM equal to the speed and total size of the DIMMs installed in channel A in  
either DIMM 2 or DIMM 4 of channel B (Figure 17).  
Figure 17. Example Dual Channel Memory Configuration with Three DIMMs  
NOTE  
All other memory configurations will result in single channel memory operation.  
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Intel Desktop Board DZ68BC Product Guide  
Installing DIMMs  
To make sure you have the correct DIMM, place it on the illustration of the DDR3  
DIMM in Figure 18. All the notches should match with the DDR3 DIMM.  
Figure 18. Use DDR3 DIMMs  
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Installing and Replacing Desktop Board Components  
NOTE  
For best memory performance, install memory in the blue DIMM sockets first.  
To install a DIMM, follow these steps:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Turn off all peripheral devices connected to the computer. Turn off the computer  
and disconnect the AC power cord.  
3. Remove the computer’s cover and locate the DIMM sockets (see Figure 19).  
Figure 19. Installing a DIMM  
4. Make sure the clips at either end of the DIMM socket(s) are pushed outward to the  
open position.  
5. Holding the DIMM by the edges, remove it from its anti-static package.  
6. Position the DIMM above the socket. Align the small notch at the bottom edge of  
the DIMM with the keys in the socket (see inset in Figure 19).  
7. Insert the bottom edge of the DIMM into the socket.  
8. When the DIMM is inserted, push down on the top edge of the DIMM until the  
retaining clips snap into place. Make sure the clips are firmly in place.  
9. Replace the computer’s cover and reconnect the AC power cord.  
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Intel Desktop Board DZ68BC Product Guide  
Removing DIMMs  
To remove a DIMM, follow these steps:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Turn off all peripheral devices connected to the computer. Turn off the computer.  
3. Remove the AC power cord from the computer.  
4. Remove the computer’s cover.  
5. Gently spread the retaining clips at each end of the DIMM socket. The DIMM pops  
out of the socket.  
6. Hold the DIMM by the edges, lift it away from the socket, and store it in an  
anti-static package.  
7. Replace the computer’s cover and reconnect the AC power cord.  
Installing and Removing PCI Express x16  
Graphics Cards  
Installing a PCI Express x16 Graphics Card  
CAUTION  
When installing a PCI Express card, ensure that the card is fully seated in the PCI  
Express connector before you power on the system. If the card is not fully seated in  
the connector, an electrical short may result across the connector pins. Depending on  
the over-current protection of the power supply, certain Desktop Board components  
and/or traces may be damaged.  
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Installing and Replacing Desktop Board Components  
Follow these instructions to install a PCI Express x16 graphics card:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Place the card in the PCI Express x16 connector (Figure 20, A) and press down on  
the card until it is completely seated in the connector and the card retention notch  
on the card snaps into place around the retention mechanism pin on the connector.  
3. Secure the card’s metal bracket to the chassis back panel with a screw  
4. Connect the monitor cable to the graphics card according to the manufacturer’s  
instructions.  
Figure 20. Installing a PCI Express x16 Graphics Card  
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Intel Desktop Board DZ68BC Product Guide  
Removing a PCI Express x16 Graphics Card  
Follow these instructions to remove a PCI Express x16 graphics card from a connector:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Remove the screw (Figure 21, A) that secures the card’s metal bracket to the  
chassis back panel.  
3. Push the card ejector lever down using the tip of a pencil or similar tool  
(Figure 21, B) in the notch. This will release the card from the connector (C).  
4. Pull the card straight up to remove it.  
Figure 21. Removing a PCI Express x16 Graphics Card  
Installing Linked PCI Express Graphics Cards  
The Desktop Board supports technology that allows you to install linked PCI Express  
graphics cards such as NVIDIA* SLI* (Scalable Link Interface) cards. Make sure you  
use two identical SLI-ready graphics cards that are NVIDIA certified and the latest  
graphics driver. You can use the connector included with the Desktop Board to  
connect the two graphics cards together. Consult the user documentation for your  
graphics cards or visit the NVIDIA GeForce* website  
(http://www.geforce.com/#/News) for more information on graphics card  
configurations.  
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Installing and Replacing Desktop Board Components  
To install two linked PCI Express graphics cards:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Install the first card in the PCI Express x16 connector as described in “Installing a  
3. Place the second card in the secondary PCI Express x16 connector (Figure 22, A)  
and press down on the card until it is completely seated in the connector and the  
card retention notch on the card snaps into place around the retention mechanism  
pin on the connector.  
4. Secure the card’s metal bracket to the chassis back panel with a screw  
5. Connect the two cards together with the SLI bridge (Figure 22, C) as shown.  
6. Connect the monitor cable to the graphics card according to the manufacturer’s  
instructions.  
Figure 22. Installing Linked PCI Express Graphics Cards  
For more complete installation and configuration information refer to the  
documentation supplied by the graphics card manufacturer or visit their website.  
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Intel Desktop Board DZ68BC Product Guide  
Connecting SATA Cables  
SATA cables support the Serial ATA protocol. Each cable can be used to connect one  
internal SATA drive to the Desktop Board. For correct cable function:  
1. Observe the precautions in “Before You Begin” on page 31.  
2. Attach one end of the SATA cable to one of the SATA connectors on the board  
(Figure 23, A) and attach the other end of the cable to the SATA drive  
Figure 23. Connecting SATA Cables  
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Installing and Replacing Desktop Board Components  
Connecting to the Internal Headers and  
Connectors  
Before connecting cables to any of the internal headers or connectors, observe the  
precautions in “Before You Begin” on page 31. Figure 24 shows the location of the  
internal headers and connectors on Intel Desktop Board DZ68BC.  
Figure 24. Internal Headers and Connectors  
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Intel Desktop Board DZ68BC Product Guide  
Front Panel Intel HD Audio Header  
Figure 24, A shows the location of the front panel Intel HD Audio header. Table 6  
shows the pin assignments and signal names for the front panel Intel HD Audio  
header.  
Table 6. Front Panel Intel HD Audio Header Signal Names  
Pin  
1
Signal Name  
PORT 1L  
Pin  
2
Signal Name  
GND  
3
PORT 1R  
4
PRESENCE#  
SENSE1_RETURN  
KEY (no pin)  
SENSE2_RETURN  
5
PORT 2R  
6
7
SENSE_SEND  
PORT 2L  
8
9
10  
S/PDIF Header  
Figure 24, B shows the location of the S/PDIF output header. Table 7 shows the pin  
assignments and signal names for the S/PDIF connector.  
Table 7. S/PDIF Header Signal Names  
Pin  
1
Description  
Ground  
2
S/PDIF Out  
Key (no pin)  
+5 VDC  
3
4
IEEE 1394a Header  
Figure 24, C shows the location of the IEEE 1394a header. Table 8 shows the pin  
assignments and signal names for the IEEE 1394a header.  
Table 8. IEEE 1394a Header Signal Names  
Pin  
1
Signal Name  
TPA1+  
Pin  
2
Signal Name  
TPA1-  
3
Ground  
4
Ground  
TPA2-  
5
TPA2+  
6
7
+12 V  
8
+12 V  
9
Key (no pin)  
10  
Ground  
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Installing and Replacing Desktop Board Components  
Chassis Intrusion Header  
Figure 24, D shows the location of the chassis intrusion header. This header can be  
connected to a mechanical switch on the chassis to detect if the chassis cover is  
removed. This switch should be in the open position when the chassis cover is  
installed and closed when the cover is removed.  
Table 9 shows the pin assignments and signal names for the chassis intrusion header.  
Table 9. Chassis Intrusion Header Signal Names  
Pin  
1
Description  
Ground  
2
Intruder#  
Consumer IR (CIR) Headers  
The Desktop Board has two CIR headers: the input or receiver header (Figure 24, E)  
and the output or emitter header (Figure 24, F). The receiver header consists of a  
filtered translated infrared input compliant with Microsoft CIR specifications and a  
“learning” infrared input. The learning input is a high-pass input which the computer  
can use to “learn” to speak the infrared communication language of other user  
remotes. The emitter header consists of two output ports which the computer can use  
to emulate “learned” infrared commands in order to control external electronic  
hardware.  
NOTE  
The Consumer IR option must be enabled in the system BIOS before it can  
function. Press <F2> at boot to enter the system BIOS, and go to Advanced >  
Peripheral Configuration > Enhanced Consumer IR, and set this option to  
Enabled.  
Table 10 shows the pin assignments and signal names for the front panel CIR receiver  
(input) header and Table 11 shows the pin assignments and signal names for the back  
panel CIR emitter (output) header.  
Table 10.Front Panel CIR Receiver (Input) Header Signal Names  
Pin  
1
Signal Name  
Ground  
Pin  
2
Signal Name  
LED  
3
No Connection  
+5 V Standby  
Key (no pin)  
4
Learn-In  
Vcc  
5
6
7
8
CIR Input  
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Table 11.Back Panel CIR Header Emitter (Output) Header Signal Names  
Pin  
1
Signal Name  
Emitter Out 1  
Ground  
Pin  
2
Signal Name  
Emitter Out 2  
Key (no pin)  
Jack Detect 2  
3
4
5
Jack Detect 1  
6
Front Panel Header  
Figure 24, G shows the location of the front panel header. Table 12 shows the pin  
assignments and signal names for the front panel header.  
Table 12.Front Panel Header Signal Names  
Pin Description  
Hard Drive Activity LED  
Hard disk LED pull-up to +5 V Out  
In/Out Pin Description  
In/Out  
Power LED  
1
3
2
4
Front panel green LED  
Front panel yellow LED  
On/Off Switch  
Power switch  
Out  
Out  
Hard disk active LED  
Reset Switch  
Ground  
Out  
5
7
6
8
In  
Reset switch  
Power  
In  
Ground  
Not Connected  
No pin  
9
Power  
Out  
10  
NOTE  
When connecting individual wires from your chassis front panel to the front panel  
header, be sure to observe the connection polarity. Positive wires are usually  
solid color and negative wires are usually white or striped.  
Alternate Front Panel Power LED Header  
Figure 24, H shows the location of the alternate front panel power LED header. Pins 1  
and 3 of this header duplicate the signals on pins 2 and 4 of the front panel header. If  
your chassis has a three-pin power LED cable, connect it to this header. Table 13  
shows the pin assignments for the alternate front panel header.  
Table 13.Alternate Front Panel Power LED Header Signal Names  
Pin  
1
Signal Name  
In/Out  
Front panel green LED  
No pin  
Out  
2
3
Front panel yellow LED  
Out  
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Serial Header  
Figure 24, I shows the location of the serial headers. Table 14 shows the pin  
assignments and signal names for each serial header.  
Table 14.Serial Port Header  
Pin  
1
Signal Name  
Pin  
2
Signal Name  
DCD (Data Carrier Detect)  
TXD# (Transmit Data)  
Ground  
RXD# (Receive Data)  
DTR (Data Terminal Ready)  
DSR (Data Set Ready)  
CTS (Clear To Send)  
Key (no pin)  
3
4
5
6
7
RTS (Request To Send)  
RI (Ring Indicator)  
8
9
10  
USB 2.0 Headers  
Figure 24, J shows the location of the four USB 2.0 headers. Table 15 shows the pin  
assignments and signal names for each USB 2.0 header. Each USB 2.0 header can be  
used to connect two USB devices.  
Table 15.USB 2.0 Header Signal Names  
Port A  
Signal Name  
Power (+5 V)  
D-  
Port B  
Signal Name  
Power (+5 V)  
D-  
Pin  
1
3
Pin  
2
4
5
D+  
6
D+  
7
Ground  
8
Ground  
9
Key  
10  
No Connection  
NOTE  
Computer systems that have an unshielded cable attached to a USB port might not  
meet FCC Class B requirements, even if no device or a low-speed USB device is  
attached to the cable. Use a shielded cable that meets the requirements for a  
full-speed USB device.  
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USB 3.0 Connector  
Figure 24, K shows the location of the USB 3.0 connector. Table 16 shows the pin  
assignments and signal names for the USB 3.0 connector. The USB 3.0 connector can  
be used to connect two USB devices.  
Table 16.USB 3.0 Connector  
Pin  
Signal Name  
Pin  
Signal Name  
10  
9
8
7
6
5
4
3
2
1
ID  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
IntA_P2_D+  
IntA_P2_D−  
Ground  
IntA_P1_D+  
IntA_P1_D−  
Ground  
IntA_P2_SSTX+  
IntA_P2_SSTX−  
Ground  
IntA_P1_SSTX+  
IntA_P1_SSTX−  
Ground  
IntA_P2_SSRX+  
IntA_P2_SSRX−  
Vbus  
IntA_P1_SSRX+  
IntA_P1_SSRX−  
Vbus  
Key (no pin)  
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Connecting to the Audio System  
After installing the Realtek audio driver from the Intel® Express Installer DVD-ROM,  
the multi-channel audio feature can be enabled. Figure 25 shows the back panel audio  
connectors. The default connector assignments are shown in the table.  
Item  
A
Description  
Rear surround speakers  
Center/subwoofer  
Line in  
B
C
D
Front speakers  
E
Mic in/side surround speakers  
S/PDIF (optical)  
F
Figure 25. Back Panel Audio Connectors  
NOTE  
The back panel line out connector is designed to power either headphones or amplified  
speakers only. Poor audio quality may occur if passive (non-amplified) speakers are  
connected to this output.  
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Intel Desktop Board DZ68BC Product Guide  
Connecting Chassis Fan and Power Supply  
Cables  
Connecting Chassis Fan Cables  
Connect chassis fan cables to the chassis fan headers on the Desktop  
Board. Figure 26 shows the location of the chassis fan headers.  
Figure 26. Location of the Chassis Fan Headers  
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Connecting Power Supply Cables  
Figure 27 shows the location of the power connectors.  
CAUTION  
Failure to use an appropriate power supply and/or not connecting the 12 V  
(Figure 27, A) power connector to the Desktop Board may result in damage to the  
board or the system may not function properly.  
The 2 x 12 pin main power connector (Figure 27, B) is backwards compatible with  
ATX12V power supplies with 2 x 10 connectors.  
Figure 27. Connecting Power Supply Cables  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Connect the 12 V processor core voltage power supply cable to the 2 x 4 pin  
3. Connect the main power supply cable to the 2 x 12 pin connector (Figure 27, B).  
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Setting the BIOS Configuration Jumper  
NOTE  
Always turn off the power and unplug the power cord from the computer before  
moving the jumper. Moving the jumper with the power on may result in unreliable  
computer operation.  
Figure 28 shows the location of the Desktop Board’s BIOS configuration jumper block.  
Figure 28. Location of the BIOS Configuration Jumper Block  
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The three-pin BIOS jumper block enables board configuration to be done in the BIOS  
Setup program. Table 17 shows the jumper settings for the BIOS Setup program  
modes.  
Table 17.Jumper Settings for the BIOS Setup Program Modes  
Mode  
Description  
Normal (default) (1-2)  
The BIOS uses the current configuration and  
passwords for booting.  
Configure (2-3)  
Recovery (None)  
After the Power-On Self-Test (POST) runs, the  
BIOS displays the Maintenance Menu. Use this  
menu to clear passwords.  
The BIOS recovers data in the event of a failed  
BIOS update.  
Clearing Passwords  
This procedure assumes that the board is installed in the computer and the  
configuration jumper block is set to normal mode.  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Turn off all peripheral devices connected to the computer. Turn off the computer.  
Disconnect the computer’s power cord from the AC power source (wall outlet or  
power adapter).  
3. Remove the computer cover.  
4. Find the configuration jumper block (see Figure 28).  
5. Place the jumper on pins 2-3.  
6. Replace the cover, plug in the computer, turn on the computer, and allow it to  
boot.  
7. The computer starts the Setup program. Setup displays the Maintenance menu.  
8. Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a  
pop-up screen requesting that you confirm clearing the password. Select Yes and  
press <Enter>. Setup displays the maintenance menu again.  
9. Press <F10> to save the current values and exit Setup.  
10.Turn off the computer. Disconnect the computer’s power cord from the AC power  
source.  
11.Remove the computer cover.  
12.To restore normal operation, place the jumper on pins 1-2.  
13.Replace the cover, plug in the computer, and turn on the computer.  
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Replacing the Battery  
A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When  
the computer is not plugged into a wall socket, the battery has an estimated life of  
three years. When the computer is plugged in, the standby current from the power  
supply extends the life of the battery. The clock is accurate to ± 13 minutes/year at  
25 ºC with 3.3 VSB applied.  
When the voltage drops below a certain level, the BIOS Setup program settings stored  
in CMOS RAM (for example, the date and time) might not be accurate. Replace the  
battery with an equivalent one. Figure 29 on page 65 shows the location of the  
battery.  
CAUTION  
Risk of explosion if the battery is replaced with an incorrect type. Batteries should be  
recycled where possible. Disposal of used batteries must be in accordance with local  
environmental regulations.  
PRÉCAUTION  
Risque d'explosion si la pile usagée est remplacée par une pile de type incorrect. Les  
piles usagées doivent être recyclées dans la mesure du possible. La mise au rebut des  
piles usagées doit respecter les réglementations locales en vigueur en matière de  
protection de l'environnement.  
FORHOLDSREGEL  
Eksplosionsfare, hvis batteriet erstattes med et batteri af en forkert type. Batterier  
bør om muligt genbruges. Bortskaffelse af brugte batterier bør foregå i  
overensstemmelse med gældende miljølovgivning.  
OBS!  
Det kan oppstå eksplosjonsfare hvis batteriet skiftes ut med feil type. Brukte batterier  
bør kastes i henhold til gjeldende miljølovgivning.  
VIKTIGT!  
Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier ska kasseras  
enligt de lokala miljövårdsbestämmelserna.  
VARO  
Räjähdysvaara, jos pariston tyyppi on väärä. Paristot on kierrätettävä, jos se on  
mahdollista. Käytetyt paristot on hävitettävä paikallisten ympäristömääräysten  
mukaisesti.  
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VORSICHT  
Bei falschem Einsetzen einer neuen Batterie besteht Explosionsgefahr. Die Batterie  
darf nur durch denselben oder einen entsprechenden, vom Hersteller empfohlenen  
Batterietyp ersetzt werden. Entsorgen Sie verbrauchte Batterien den Anweisungen  
des Herstellers entsprechend.  
AVVERTIMENTO  
Esiste il pericolo di un esplosione se la pila non viene sostituita in modo corretto.  
Utilizzare solo pile uguali o di tipo equivalente a quelle consigliate dal produttore. Per  
disfarsi delle pile usate, seguire le istruzioni del produttore.  
PRECAUCIÓN  
Existe peligro de explosión si la pila no se cambia de forma adecuada. Utilice  
solamente pilas iguales o del mismo tipo que las recomendadas por el fabricante del  
equipo. Para deshacerse de las pilas usadas, siga igualmente las instrucciones del  
fabricante.  
WAARSCHUWING  
Er bestaat ontploffingsgevaar als de batterij wordt vervangen door een onjuist type  
batterij. Batterijen moeten zoveel mogelijk worden gerecycled. Houd u bij het  
weggooien van gebruikte batterijen aan de plaatselijke milieuwetgeving.  
ATENÇÃO  
Haverá risco de explosão se a bateria for substituída por um tipo de bateria incorreto.  
As baterias devem ser recicladas nos locais apropriados. A eliminação de baterias  
usadas deve ser feita de acordo com as regulamentações ambientais da região.  
AŚCIAROŽZNAŚĆ  
Існуе рызыка выбуху, калі заменены акумулятар неправільнага тыпу.  
Акумулятары павінны, па магчымасці, перепрацоўвацца. Пазбаўляцца ад старых  
акумулятараў патрэбна згодна з мясцовым заканадаўствам па экалогіі.  
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UPOZORNÌNÍ  
V případě výměny baterie za nesprávný druh může dojít k výbuchu. Je-li to možné,  
baterie by měly být recyklovány. Baterie je třeba zlikvidovat v souladu s místními  
předpisy o životním prostředí.  
Προσοχή  
Υπάρχει κίνδυνος για έκρηξη σε περίπτωση που η μπαταρία αντικατασταθεί από μία  
λανθασμένου τύπου. Οι μπαταρίες θα πρέπει να ανακυκλώνονται όταν κάτι τέτοιο είναι  
δυνατό. Η απόρριψη των χρησιμοποιημένων μπαταριών πρέπει να γίνεται σύμφωνα με  
τους κατά τόπο περιβαλλοντικούς κανονισμούς.  
VIGYÁZAT  
Ha a telepet nem a megfelelő típusú telepre cseréli, az felrobbanhat. A telepeket  
lehetőség szerint újra kell hasznosítani. A használt telepeket a helyi környezetvédelmi  
előírásoknak megfelelően kell kiselejtezni.  
AWAS  
Risiko letupan wujud jika bateri digantikan dengan jenis yang tidak betul. Bateri  
sepatutnya dikitar semula jika boleh. Pelupusan bateri terpakai mestilah mematuhi  
peraturan alam sekitar tempatan.  
OSTRZEŻENIE  
Istnieje niebezpieczeństwo wybuchu w przypadku zastosowania niewłaściwego typu  
baterii. Zużyte baterie należy w miarę możliwości utylizować zgodnie z odpowiednimi  
przepisami ochrony środowiska.  
PRECAUŢIE  
Risc de explozie, dacă bateria este înlocuită cu un tip de baterie necorespunzător.  
Bateriile trebuie reciclate, dacă este posibil. Depozitarea bateriilor uzate trebuie să  
respecte reglementările locale privind protecţia mediului.  
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ВНИМАНИЕ  
При использовании батареи несоответствующего типа существует риск ее взрыва.  
Батареи должны быть утилизированы по возможности. Утилизация батарей должна  
проводится по правилам, соответствующим местным требованиям.  
UPOZORNENIE  
Ak batériu vymeníte za nesprávny typ, hrozí nebezpečenstvo jej výbuchu. Batérie by  
sa mali podľa možnosti vždy recyklovať. Likvidácia použitých batérií sa musí vykonávať  
v súlade s miestnymi predpismi na ochranu životného prostredia.  
POZOR  
Zamenjava baterije z baterijo drugačnega tipa lahko povzroči eksplozijo.  
Če je mogoče, baterije reciklirajte. Rabljene baterije zavrzite v skladu z lokalnimi  
okoljevarstvenimi predpisi.  
.
UYARI  
Yanlış türde pil takıldığında patlama riski vardır. Piller mümkün olduğunda geri  
dönüştürülmelidir. Kullanılmış piller, yerel çevre yasalarına uygun olarak atılmalıdır.  
OСТОРОГА  
Використовуйте батареї правильного типу, інакше існуватиме ризик вибуху.  
Якщо можливо, використані батареї слід утилізувати. Утилізація використаних  
батарей має бути виконана згідно місцевих норм, що регулюють охорону довкілля.  
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To replace the battery, follow these steps:  
1. Observe the precautions in "Before You Begin" (see page 31).  
2. Turn off all peripheral devices connected to the computer. Disconnect the  
computer’s power cord from the AC power source (wall outlet or power adapter).  
3. Remove the computer cover.  
4. Locate the battery on the board (see Figure 29).  
5. With a medium flat-bladed screwdriver, gently pry the battery free from its  
connector. Note the orientation of the “+” and “-” on the battery.  
6. Install the new battery in the connector, orienting the “+” and “-” correctly.  
7. Replace the computer cover.  
Figure 29. Removing the Battery  
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Installing the WiFi/Bluetooth* Module in a  
Desktop Chassis (Optional)  
Installing the WiFi/Bluetooth module that is shipped with Intel Desktop Board DZ68BC  
in your desktop system allows you to connect to wireless networks and Bluetooth  
peripherals.  
The recommended installation procedure for a typical desktop chassis is as follows:  
1. Observe the precautions in "Before You Begin" on page 31.  
2. Make sure that the system is turned off and disconnected from its power source.  
3. Remove the plastic cover from an empty 5-1/4 inch drive bay in the chassis bezel  
4. Remove the metal filler plate from the internal drive bay (Figure 30, B).  
5. Remove the paper backing covering the adhesive on the back of the WiFi/Bluetooth  
Module and attach the module to the back side of the plastic drive bay cover  
6. Connect one end of the USB cable to the connector on the front of the module  
7. Reinstall the plastic drive bay cover in the chassis bezel while routing the USB  
cable into the chassis through the empty drive bay (Figure 30, E).  
8. Connect the free end of the USB cable to an unused front panel USB header on the  
Desktop Board (see Figure 1, HH for locations) (Figure 30, F).  
Figure 30. Installing the WiFi/Bluetooth Module  
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3 Updating the BIOS  
The BIOS Setup program can be used to view and change the BIOS settings for the  
computer. You can access the BIOS Setup program by pressing the F2 key after the  
Power-On Self-Test (POST) memory test begins and before the operating system boot  
begins.  
This chapter tells you how to update the BIOS by either using the Intel Express BIOS  
Update utility or the Intel® Flash Memory Update Utility, and how to recover the BIOS  
if an update fails.  
Updating the BIOS with the Intel® Express  
BIOS Update Utility  
With the Intel Express BIOS Update utility you can update the system BIOS while in  
the Windows environment. The BIOS file is included in an automated update utility  
that combines the functionality of the Intel Flash Memory Update Utility and the ease  
of use of Windows-based installation wizards.  
To update the BIOS with the Intel Express BIOS Update utility:  
1. Go to the Intel World Wide Web site Download Center  
2. Navigate to the DZ68BC page. Click on the “BIOS Update” link and then select the  
Express BIOS Update file.  
3. Download the file to your hard drive. (You can also save this file to a removable  
USB device. This is useful if you are updating the BIOS for multiple identical  
systems.)  
4. Close all other applications. This step is required. Your system will be rebooted at  
the last Express BIOS Update window.  
5. Double-click the executable file from the location on your hard drive where it was  
saved. This runs the update program.  
6. Follow the instructions provided in the dialog boxes to complete the BIOS update.  
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Updating the BIOS Using the F7 Function Key  
To use this BIOS update method:  
1. Download and save the Recovery BIOS (.BIO) file to a temporary directory.  
2. Copy the .BIO file to a USB thumb drive.  
3. Plug the thumb drive into a USB port of the target computer.  
4. Shut down the target computer.  
5. Enable the F7 prompt display:  
a. Power the computer on.  
b. Enter the BIOS Setup by pressing the F2 key during boot.  
c. Go to the Advanced > Boot Configuration menu.  
d. Enable Display F7 to Update BIOS  
e. Press the F10 key to save and exit.  
6. During boot, when the F7 prompt is displayed, press the F7 key to enter the BIOS  
Flash Update tool.  
7. Select the USB thumb drive and press Enter.  
8. Select the .BIO file and press Enter  
9. Confirm you want to update the BIOS by pressing Enter.  
10.Wait 2-5 minutes for the update to complete.  
11.Remove the thumb drive.  
12.Restart the computer.  
Updating the BIOS with the Intel® Flash  
Memory Update Utility  
You can use the information in this section to update the BIOS using the Intel® Flash  
Memory Update Utility. With the Intel Flash Memory Update Utility you can update the  
system BIOS from a bootable CD-ROM, bootable USB flash drive, or other bootable  
USB media.  
You can update to a new version of the BIOS by using the Intel Flash Memory BIOS  
update file. The Intel Flash Memory BIOS update file is a compressed file that contains  
the files you need to update the BIOS. The BIOS update file contains:  
New BIOS file (including the Intel® Management Engine (Intel® ME) Firmware  
Image)  
Intel® Integrator Toolkit Configuration File (optional)  
Intel Flash Memory Update Utility  
You can obtain this file through your computer supplier or by navigating to the Intel  
Desktop Board DZ68BC page on the Intel World Wide Web site Download Center  
On the DZ68BC page, click on the “BIOS Update” link and then select the Iflash BIOS  
Update file.  
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Updating the BIOS  
NOTE  
Review the instructions distributed with the update utility before attempting a BIOS  
update.  
CAUTION  
Do not interrupt the process or the system may not function properly.  
1. Uncompress the BIOS update file and copy the .BIO file, IFLASH.EXE, and .ITK file  
(optional) to a bootable USB flash drive or other bootable USB media.  
2. Configure the BIOS or use the F10 key option during POST to boot to the USB  
device.  
3. Manually run the IFLASH.EXE file from the USB device and manually update the  
BIOS.  
CAUTION  
DO NOT POWER DOWN YOUR COMPUTER before the update is complete. The update  
may take up to 5 minutes.  
Recovering the BIOS  
It is unlikely that anything will interrupt the BIOS update; however, if an interruption  
occurs, the BIOS could be damaged. Due to BIOS size and recovery requirements, a  
CD-R with the .BIO file in the root directory will be required.  
You can obtain the Recovery BIOS Update file through your computer supplier or by  
navigating to the Intel Desktop Board DZ68BC page on the Intel World Wide Web site  
Download Center at http://downloadcenter.intel.com.  
On the DZ68BC page, click on the “BIOS Update” link and then select the Recovery  
BIOS Update file.  
NOTE  
For more information about updating the Intel Desktop Board BIOS or recovering from  
a BIOS update failure, go  
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A Error Messages and Indicators  
Intel Desktop Board DZ68BC reports POST errors in three ways:  
By sounding a beep code and blinking the front panel power LED  
By displaying an error message on the monitor  
By displaying diagnostic progress codes (POST codes)  
BIOS Error Codes  
Whenever a recoverable error occurs during POST, the BIOS causes the board’s  
speaker to beep and the front panel power LED to blink an error message indicating  
the problem (see Table 18).  
Table 18.BIOS Beep Codes  
Type  
Pattern  
Processor  
One 0.5 second beep when the CPU initialization process  
initialization complete completes.  
POST complete  
Video error  
One 0.5 second beep when POST completes.  
On-off (0.5 seconds each) two times, then 3.0 second pause  
(off), entire pattern repeats (beeps and pause) until the system  
is powered off.  
Memory error  
On-off (0.5 seconds each) three times, then 3.0 second pause  
(off), entire pattern repeats (beeps and pause) until the system  
is powered off.  
Thermal trip warning On-off (0.5 seconds each) four times, then 3.0 second pause  
(off), entire pattern repeats (beeps and pause) until the  
sixteenth beep, then ends.  
Table 19.Front-panel Power LED Blink Codes  
Type  
Pattern  
Processor  
On when the system powers up, then off for 0.5 seconds.  
initialization complete  
POST complete  
On when the system powers up, then off for 0.5 seconds.  
BIOS update in  
progress  
Off when the update begins, then on for 0.5 seconds, then off for  
0.5 seconds. The pattern repeats until the BIOS update is  
complete.  
Video error  
On-off (0.5 seconds each) two times, then 3.0 second pause  
(off), entire pattern repeats (blink and pause) until the system is  
powered off.  
Memory error  
On-off (0.5 seconds each) three times, then 3.0 second pause  
(off), entire pattern repeats (blinks and pause) until the system  
is powered off.  
Thermal trip warning On-off (0.5 seconds each) four times, then 3.0 second pause  
(off), entire pattern repeats (blinks and pause) until the  
sixteenth blink, then ends.  
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BIOS Error Messages  
When a recoverable error occurs during the POST, the BIOS displays an error message  
describing the problem. Table 20 gives an explanation of the BIOS error messages.  
Table 20.BIOS Error Messages  
Error Message  
Explanation  
PROCESSOR_THERMAL_TRIP_ERROR Processor was previously shutdown due to a thermal  
event (overheating).  
CMOS_BATTERY_ERROR  
The firmware has detected that a CMOS battery failure  
occurred.  
CMOS_CHECKSUM_ERROR  
CMOS_TIMER_ERROR  
The firmware has detected that a CMOS Checksum Error  
occurred.  
The firmware has detected that the system date/time  
has not been set.  
MEMORY_SIZE_DECREASE_ERROR  
The firmware has detected that the system memory has  
decreased.  
INTRUDER_DETECTION_ERROR  
SPD_TOLER_ERROR  
The system chassis was opened.  
SERIAL PRESENCE DETECT (SPD) device data missing or  
inconclusive. Properly programmed SPD device data is  
required for reliable operation.  
MEM_OPTIMAL_ERROR  
The installed amount of memory in Channel A is not  
equal to the amount of memory in Channel B. Maximum  
memory performance is achieved with equal amounts of  
memory installed in each channel.  
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Error Messages and Indicators  
Port 80h POST Codes  
During the POST, the BIOS generates diagnostic progress codes (POST codes) to I/O  
port 80h. If the POST fails, execution stops and the last POST code generated is left  
at port 80h and displayed on the Desktop Board’s seven-segment LED display shown  
in Figure 31. This code is useful for determining the point where an error occurred  
during the POST.  
Figure 31. POST Code LED Display  
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Table 21 lists the Port 80h POST codes in hexadecimal notation.  
Table 21.Port 80h POST Codes  
POST Code  
Description  
ACPI S States  
00  
Entering S0 state, standard  
Entering S1-S5 state  
01-05  
10, 20, 30,  
40, 50  
Resuming from S1-S5 state  
Security Phase (SEC)  
08  
Starting BIOS execution after CPU BIST  
SPI prefetching and caching  
Load BSP/APS microcode  
Platform program base addresses  
Wake up all APS  
09  
0A, 0B  
0C  
0D  
0E  
Initialize NEM  
0F  
Pass entry point of the PEI core  
PEI Phase Before MRC  
Set bootmode, GPIO init  
11  
12  
Early chipset register programming  
Basic PCH init, discrete device init  
LAN init  
13  
14  
15  
Exit early platform init driver  
SMBUS driver init  
16  
17, 18  
19, 1A  
1B, 1C  
Entry/Exit to SMBUS execute read/write  
Entry/Exit to CK505 programming  
Entry/Exit to PEI overclock programming  
MEC Memory Detection  
MRC entry point  
21  
23  
24  
27  
28  
29  
Reading SPD from memory DIMMs  
Detecting presence of memory DIMMs  
Configuring memory  
Testing memory  
Exit MRC driver  
PEI After MRC  
2A, 2B  
Start/finish programming MTRR settings  
PEIMs/Recovery  
31, 33, 34  
Recovery has initiate, load, valid  
continued  
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Error Messages and Indicators  
Table 21. Port 80h POST Codes (continued)  
CPU Initialization (PEI, DXE, SMM)  
Begin to end CPU PEI init  
41-43  
44-46  
47-4C  
4D-4F  
Begin to end CPU SMM init/relocate bases  
CPU DXE phase begin to end  
CPU DXE SMM phase begin to end  
I/O Buses  
PCI enumeration, allocation, hot plug  
Resetting USB bus  
50-52  
58, 59  
5A, 5B  
5F  
Resetting SATA bus and all devices  
Unrecoverable error, start with PIC  
Boot Device Selection (BDS)  
BDS driver entry  
60-6F  
E4  
Entered DXE phase  
E7  
Waiting for user input  
E8  
Checking password  
E9  
Entering BIOS setup  
EB  
Calling legacy option ROMs  
Keyboard/Mouse (PS/2 or USB)  
Keyboard initialization  
90-95  
98-9B  
Mouse initialization  
Fixed Media  
B0-BF  
Detecting and initializing fixed media  
Runtime Phase/EFI Operating System Boot  
EFI boot service ExitBootServices  
F8  
F9  
EFI runtime service SetVirtualAddressMap  
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B Regulatory Compliance  
This appendix contains the following regulatory compliance information for Intel  
Desktop Board DZ68BC:  
Safety standards  
European Union Declaration of Conformity statement  
Product Ecology statements  
Electromagnetic Compatibility (EMC) regulations  
Product certifications  
Safety Standards  
Intel Desktop Board DZ68BC complies with the safety standards stated in Table 22  
when correctly installed in a compatible host system.  
Table 22.Safety Standards  
Regulation  
Title  
CSA/UL 60950-1  
Information Technology Equipment – Safety - Part 1: General  
Requirements (USA and Canada)  
EN 60950-1  
IEC 60950-1  
Information Technology Equipment – Safety - Part 1: General  
Requirements (European Union)  
Information Technology Equipment – Safety - Part 1: General  
Requirements (International)  
Battery Caution  
There is insufficient space on this Desktop Board to provide instructions for replacing  
and disposing of the Lithium ion coin cell battery. For system safety certification, the  
statement below or an equivalent statement is required to be permanently and legibly  
marked on the chassis near the battery.  
A suitable caution label is included with Intel Desktop Board DZ68BC.  
CAUTION  
Risk of explosion if the battery is replaced with an incorrect type. Batteries should be  
recycled where possible. Disposal of used batteries must be in accordance with local  
environmental regulations.  
For information about replacing the battery, go to page 60.  
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Intel Desktop Board DZ68BC Product Guide  
European Union Declaration of Conformity  
Statement  
We, Intel Corporation, declare under our sole responsibility that the product Intel®  
Desktop Board DZ68BC is in conformity with all applicable essential requirements  
necessary for CE marking, following the provisions of the European Council Directives  
2004/108/EC (EMC Directive), 2006/95/EC (Low Voltage Directive), and 2002/95/EC  
(ROHS Directive).  
The product is properly CE marked demonstrating this conformity and is for  
distribution within all member states of the EU with no restrictions.  
This product follows the provisions of the European Directives 2004/108/EC,  
2006/95/EC and 2002/95/EC.  
Čeština Tento výrobek odpovídá požadavkům evropských směrnic 2004/108/EC,  
2006/95/EC a 2002/95/EC.  
Dansk Dette produkt er i overensstemmelse med det europæiske direktiv  
2004/108/EC, 2006/95/EC & 2002/95/EC.  
Dutch Dit product is in navolging van de bepalingen van Europees Directief  
2004/108/EC, 2006/95/EC & 2002/95/EC.  
Eesti Antud toode vastab Euroopa direktiivides 2004/108/EC, ja 2006/95/EC ja  
2002/95/EC kehtestatud nõuetele.  
Suomi Tämä tuote noudattaa EU-direktiivin 2004/108/EC, 2006/95/EC & 2002/95/EC  
määräyksiä.  
Français Ce produit est conforme aux exigences de la Directive Européenne  
2004/108/EC, 2006/95/EC & 2002/95/EC.  
Deutsch Dieses Produkt entspricht den Bestimmungen der Europäischen Richtlinie  
2004/108/EC, 2006/95/EC & 2002/95/EC.  
Ελληνικά Το παρόν προϊόν ακολουθεί τις διατάξεις των Ευρωπαϊκών Οδηγιών  
2004/108/EC, 2006/95/EC και 2002/95/EC.  
Magyar E termék megfelel a 2004/108/EC, 2006/95/EC és 2002/95/EC Európai  
Irányelv előírásainak.  
Icelandic Þessi vara stenst reglugerð Evrópska Efnahags Bandalagsins númer  
2004/108/EC, 2006/95/EC, & 2002/95/EC.  
Italiano Questo prodotto è conforme alla Direttiva Europea 2004/108/EC,  
2006/95/EC & 2002/95/EC.  
Latviešu Šis produkts atbilst Eiropas Direktīvu 2004/108/EC, 2006/95/EC un  
2002/95/EC noteikumiem.  
Lietuvių Šis produktas atitinka Europos direktyvų 2004/108/EC, 2006/95/EC, ir  
2002/95/EC nuostatas.  
Malti Dan il-prodott hu konformi mal-provvedimenti tad-Direttivi Ewropej  
2004/108/EC, 2006/95/EC u 2002/95/EC.  
Norsk Dette produktet er i henhold til bestemmelsene i det europeiske direktivet  
2004/108/EC, 2006/95/EC & 2002/95/EC.  
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Regulatory Compliance  
Polski Niniejszy produkt jest zgodny z postanowieniami Dyrektyw Unii Europejskiej  
2004/108/EC, 206/95/EC i 2002/95/EC.  
Portuguese Este produto cumpre com as normas da Diretiva Européia 2004/108/EC,  
2006/95/EC & 2002/95/EC.  
Español Este producto cumple con las normas del Directivo Europeo 2004/108/EC,  
2006/95/EC & 2002/95/EC.  
Slovensky Tento produkt je v súlade s ustanoveniami európskych direktív  
2004/108/EC, 2006/95/EC a 2002/95/EC.  
Slovenščina Izdelek je skladen z določbami evropskih direktiv 2004/108/EC,  
2006/95/EC in 2002/95/EC.  
Svenska Denna produkt har tillverkats i enlighet med EG-direktiv 2004/108/EC,  
2006/95/EC & 2002/95/EC.  
Türkçe Bu ürün, Avrupa Birliği’nin 2004/108/EC, 2006/95/EC ve 2002/95/EC  
yönergelerine uyar.  
Product Ecology Statements  
The following information is provided to address worldwide product ecology concerns  
and regulations.  
Recycling Considerations  
As part of its commitment to environmental responsibility, Intel has implemented the  
Intel® Product Recycling Program to allow retail consumers of Intel’s branded products  
to return used products to selected locations for proper recycling.  
for the details of this program, including the scope of covered products, available  
locations, shipping instructions, terms and conditions, etc.  
中文  
作为其对环境责任之承诺的部分,英特尔已实施 Intel Product Recycling Program (英特尔产品  
回收计划),以允许英特尔品牌产品的零售消费者将使用过的产品退还至指定地点作恰当的重复使用  
处理。  
了解此计划的详情,包括涉及产品之范围、回收地点、运送指导、条款和条件等。  
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Deutsch  
Als Teil von Intels Engagement für den Umweltschutz hat das Unternehmen das Intel  
Produkt-Recyclingprogramm implementiert, das Einzelhandelskunden von Intel  
Markenprodukten ermöglicht, gebrauchte Produkte an ausgewählte Standorte für  
ordnungsgemäßes Recycling zurückzugeben.  
Details zu diesem Programm, einschließlich der darin eingeschlossenen Produkte,  
verfügbaren Standorte, Versandanweisungen, Bedingungen usw., finden Sie auf  
Español  
Como parte de su compromiso de responsabilidad medioambiental, Intel ha  
implantado el programa de reciclaje de productos Intel, que permite que los  
consumidores al detalle de los productos Intel devuelvan los productos usados en los  
lugares seleccionados para su correspondiente reciclado.  
para ver los detalles del programa, que incluye los productos que abarca, los lugares  
disponibles, instrucciones de envío, términos y condiciones, etc.  
Français  
Dans le cadre de son engagement pour la protection de l'environnement, Intel a mis  
en œuvre le programme Intel Product Recycling Program (Programme de recyclage  
des produits Intel) pour permettre aux consommateurs de produits Intel de recycler  
les produits usés en les retournant à des adresses spécifiées.  
Visitez la page Web http://intel.com/intel/other/ehs/product_ecology pour en savoir  
plus sur ce programme, à savoir les produits concernés, les adresses disponibles, les  
instructions d'expédition, les conditions générales, etc.  
日本語  
インテルでは、環境保護活動の一環として、使い終えたインテル ブランド製品を指定の場所へ返送していただき、リ  
サイクルを適切に行えるよう、インテル製品リサイクル プログラムを発足させました。  
対象製品、返送先、返送方法、ご利用規約など、このプログラムの詳細情報は、  
http://intel.com/intel/other/ehs/product_ecology (英語)をご覧ください。  
Malay  
Sebagai sebahagian daripada komitmennya terhadap tanggungjawab persekitaran,  
Intel telah melaksanakan Program Kitar Semula Produk untuk membenarkan  
pengguna-pengguna runcit produk jenama Intel memulangkan produk terguna ke  
lokasi-lokasi terpilih untuk dikitarkan semula dengan betul.  
Sila rujuk http://intel.com/intel/other/ehs/product_ecology untuk mendapatkan butir-  
butir program ini, termasuklah skop produk yang dirangkumi, lokasi-lokasi tersedia,  
arahan penghantaran, terma & syarat, dsb.  
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Regulatory Compliance  
Portuguese  
Como parte deste compromisso com o respeito ao ambiente, a Intel implementou o  
Programa de Reciclagem de Produtos para que os consumidores finais possam enviar  
produtos Intel usados para locais selecionados, onde esses produtos são reciclados de  
maneira adequada.  
Consulte o site http://intel.com/intel/other/ehs/product_ecology (em Inglês) para  
obter os detalhes sobre este programa, inclusive o escopo dos produtos cobertos, os  
locais disponíveis, as instruções de envio, os termos e condições, etc.  
Russian  
В качестве части своих обязательств к окружающей среде, в Intel создана  
программа утилизации продукции Intel (Product Recycling Program) для  
предоставления конечным пользователям марок продукции Intel возможности  
возврата используемой продукции в специализированные пункты для должной  
утилизации.  
Пожалуйста, обратитесь на веб-  
сайт http://intel.com/intel/other/ehs/product_ecology за информацией об этой  
программе, принимаемых продуктах, местах приема, инструкциях об отправке,  
положениях и условиях и т.д.  
Türkçe  
Intel, çevre sorumluluğuna bağımlılığının bir parçası olarak, perakende tüketicilerin  
Intel markalı kullanılmış ürünlerini belirlenmiş merkezlere iade edip uygun şekilde geri  
dönüştürmesini amaçlayan Intel Ürünleri Geri Dönüşüm Programı’nı uygulamaya  
koymuştur.  
Bu programın ürün kapsamı, ürün iade merkezleri, nakliye talimatları, kayıtlar ve  
şartlar v.s dahil bütün ayrıntılarını ögrenmek için  
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Intel Desktop Board DZ68BC Product Guide  
China RoHS  
Intel Desktop Board DZ68BC is a China RoHS-compliant product.  
The China Ministry of Information Industry (MII) stipulates that a material Self  
Declaration Table (SDT) must be included in a product’s user documentation. The SDT  
for Intel Desktop Board DZ68BC is shown in Figure 32.  
Figure 32. Intel Desktop Board DZ68BC China RoHS Material  
Self Declaration Table  
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Regulatory Compliance  
EMC Regulations  
Intel Desktop Board DZ68BC complies with the EMC regulations stated in Table 23  
when correctly installed in a compatible host system.  
Table 23.EMC Regulations  
Regulation  
Title  
FCC 47 CFR Part 15,  
Subpart B  
Title 47 of the Code of Federal Regulations, Part 15, Subpart B,  
Radio Frequency Devices. (USA)  
ICES-003  
Interference-Causing Equipment Standard, Digital Apparatus.  
(Canada)  
EN55022  
Limits and methods of measurement of Radio Interference  
Characteristics of Information Technology Equipment. (European  
Union)  
EN55024  
EN55022  
CISPR 22  
Information Technology Equipment – Immunity Characteristics  
Limits and methods of measurement. (European Union)  
Australian Communications Authority, Standard for  
Electromagnetic Compatibility. (Australia and New Zealand)  
Limits and methods of measurement of Radio Disturbance  
Characteristics of Information Technology Equipment.  
(International)  
CISPR 24  
Information Technology Equipment – Immunity Characteristics –  
Limits and Methods of Measurement. (International)  
VCCI V-3, V-4  
KN-22, KN-24  
CNS 13438  
Voluntary Control for Interference by Information Technology  
Equipment. (Japan)  
Korean Communications Commission – Framework Act on  
Telecommunications and Radio Waves Act. (South Korea)  
Bureau of Standards, Metrology and Inspection. (Taiwan)  
FCC Declaration of Conformity  
This device complies with Part 15 of the FCC Rules. Operation is subject to the  
following two conditions: (1) this device may not cause harmful interference, and  
(2) this device must accept any interference received, including interference that may  
cause undesired operation.  
For questions related to the EMC performance of this product, contact:  
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124  
1-800-628-8686  
This equipment has been tested and found to comply with the limits for a Class B  
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to  
provide reasonable protection against harmful interference in a residential installation.  
This equipment generates, uses, and can radiate radio frequency energy and, if not  
installed and used in accordance with the instructions, may cause harmful interference  
to radio communications. However, there is no guarantee that interference will not  
occur in a particular installation. If this equipment does cause harmful interference to  
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Intel Desktop Board DZ68BC Product Guide  
radio or television reception, which can be determined by turning the equipment off  
and on, the user is encouraged to try to correct the interference by one or more of the  
following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and the receiver.  
Connect the equipment to an outlet on a circuit other than the one to which the  
receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
Any changes or modifications to the equipment not expressly approved by Intel  
Corporation could void the user’s authority to operate the equipment.  
Tested to comply with FCC standards for home or office use.  
Canadian Department of Communications Compliance  
Statement  
This digital apparatus does not exceed the Class B limits for radio noise emissions from  
digital apparatus set out in the Radio Interference Regulations of the Canadian  
Department of Communications.  
Le présent appareil numerique német pas de bruits radioélectriques dépassant les  
limites applicables aux appareils numériques de la classe B prescrites dans le  
Réglement sur le broullage radioélectrique édicté par le ministére des Communications  
du Canada.  
Japan VCCI Statement  
Japan Statement translation: This is a Class B product based on the standard of the  
Voluntary Control Council for Interference from Information Technology Equipment  
(VCCI). If this is used near a radio or television receiver in a domestic environment, it  
may cause radio interference. Install and use the equipment according to the  
instruction manual.  
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Regulatory Compliance  
Korea Class B Statement  
Korea Class B Statement translation: This equipment is for home use, and has  
acquired electromagnetic conformity registration, so it can be used not only in  
residential areas, but also other areas.  
Ensure Electromagnetic Compatibility (EMC)  
Compliance  
Before computer integration, make sure that the power supply and other modules or  
peripherals, as applicable, have passed Class B EMC testing and are marked  
accordingly.  
Pay close attention to the following when reading the installation instructions for the  
host chassis, power supply, and other modules:  
Product certifications or lack of certifications  
External I/O cable shielding and filtering  
Mounting, grounding, and bonding requirements  
Keying connectors when mating the wrong connectors could be hazardous  
If the power supply and other modules or peripherals, as applicable, are not Class B  
EMC compliant before integration, then EMC testing may be required on a  
representative sample of the newly completed computer.  
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Intel Desktop Board DZ68BC Product Guide  
Product Certifications  
Board-Level Certifications  
Intel Desktop Board DZ68BC has the regulatory compliance marks shown in Table 24.  
Table 24.Regulatory Compliance Marks  
Description  
Mark  
UL joint US/Canada Recognized Component mark. Includes adjacent  
UL file number for Intel Desktop Boards: E210882.  
FCC Declaration of Conformity logo mark for Class B equipment.  
CE mark. Declaring compliance to European Union (EU) EMC  
directive, Low Voltage directive, and RoHS directive.  
Australian Communications Authority (ACA) and New Zealand Radio  
Spectrum Management (NZ RSM) C-tick mark. Includes adjacent  
Intel supplier code number, N-232.  
Japan VCCI (Voluntary Control Council for Interference) mark.  
Korea Certification mark. Includes an adjacent KCC (Korean  
Communications Commission) certification number:  
KCC-REM-CPU-DZ68BC.  
Taiwan BSMI (Bureau of Standards, Metrology and Inspections)  
mark. Includes adjacent Intel company number, D33025.  
Printed wiring board manufacturer’s recognition mark. Consists of a  
unique UL recognized manufacturer’s logo, along with a flammability  
rating (solder side).  
V-0  
China RoHS/Environmentally Friendly Use Period Logo: This is an  
example of the symbol used on Intel Desktop Boards and associated  
collateral. The color of the mark may vary depending upon the  
application. The Environmental Friendly Usage Period (EFUP) for  
Intel Desktop Boards has been determined to be 10 years.  
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Regulatory Compliance  
Chassis- and Component-Level Certifications  
Ensure that the chassis and certain components; such as the power supply, peripheral  
drives, wiring, and cables; are components certified for the country or market where  
used. Agency certification marks on the product are proof of certification. Typical  
product certifications include:  
In Europe  
The CE mark indicates compliance with all applicable European requirements. If the  
chassis and other components are not properly CE marked, a supplier’s Declaration of  
Conformity statement to the European EMC directive, Low Voltage directive (as  
applicable), and ROHS directive, should be obtained. Additionally, other directives,  
such as the Radio and Telecommunications Terminal Equipment (R&TTE) directive may  
also apply depending on product features.  
In the United States  
A certification mark by a Nationally Recognized Testing Laboratory (NRTL) such as UL,  
CSA, or ETL signifies compliance with safety requirements. Wiring and cables must  
also be UL listed or recognized and suitable for the intended use. The FCC Class B  
logo for home or office use signifies compliance with electromagnetic interference  
(EMI) requirements.  
In Canada  
A nationally recognized certification mark such as CSA or cUL signifies compliance with  
safety requirements. The Industry Canada statement on page 84 of this product guide  
demonstrates compliance with Canadian EMC regulations.  
Chassis and Component Certifications  
Ensure that the chassis and certain components; such as the power supply, peripheral  
drives, wiring, and cables; are components certified for the country or market where  
used. Agency certification marks on the product are proof of certification. Typical  
product certifications include:  
In Europe  
The CE marking signifies compliance with all applicable European requirements. If the  
chassis and other components are not properly CE marked, a supplier’s Declaration of  
Conformity statement to the European EMC directive and Low Voltage directive (as  
applicable), should be obtained. Additionally, other directives, such as the Radio and  
Telecommunications Terminal Equipment (R&TTE) directive may also apply depending  
on product features.  
In the United States  
A certification mark by a Nationally Recognized Testing Laboratory (NRTL) such as UL,  
CSA, or ETL signifies compliance with safety requirements. Wiring and cables must  
also be UL listed or recognized and suitable for the intended use. The FCC Class B  
logo for home or office use signifies compliance with electromagnetic interference  
(EMI) requirements.  
87  
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Intel Desktop Board DZ68BC Product Guide  
In Canada  
A nationally recognized certification mark such as CSA or cUL signifies compliance with  
safety requirements. The Industry Canada statement on page 84 of this product guide  
demonstrates compliance with Canadian EMC regulations.  
ENERGY STAR*, e-Standby, and ErP  
Compliance  
The US Department of Energy and the US Environmental Protection Agency have  
continually revised the ENERGY STAR requirements. Intel has worked directly with  
these two governmental agencies in the definition of the new requirements.  
Intel Desktop Board DZ68BC meets the following program requirements in an  
adequate system configuration, including appropriate selection of an efficient power  
supply:  
Energy Star v5.0, category D  
EPEAT  
Korea e-Standby  
European Union Energy-related Products Directive 2009 (ErP)  
For information about ENERGY STAR requirements and recommended configurations,  
88  
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