Seagate Computer Drive ST980815AB User Guide

Setting the jumpers  
Refer to the jumper settings in Figure 1 or on your drive label to configure  
the drive for your system. Jumper settings can also be accessed online  
Master or single drive: Use the options jumper block shown in Figure 1 to  
configure the drive for operation. This jumper block is the 4-pin header  
adjacent to pins 1 and 2 of the I/O signal pins.  
Momentus 5400.3 Blade Server Installation Guide  
ST9160821AB, ST9120822AB, ST9100828AB, ST980815AB,  
ST960815AB and ST9402116AB  
Note. For blade server operation, use cable select (default) or master.  
ATA Interface Disc Drives  
Publication Number: 100409997, Rev. A, April 2006  
Drive is master (or single drive)  
Drive is slave  
The easiest way to install your drive  
Most blade servers are designed to make it possible to easily replace the  
hard drive. Refer to your system’s user manual for the location of the hard  
drive compartment and the specific instructions regarding replacement.  
Cable select  
Caution. Special training or tools may be needed to service some blade  
servers.  
Refer to your system manufacturer’s support website for the most up-to-  
date information. Read and follow all instructions regarding the proper  
steps to be taken when replacing the hard drive.  
Figure 1.  
Jumper settings  
Drive mounting  
What you need  
You can mount the drive using four screws in the side-mounting holes or  
four screws in the bottom-mounting holes. See Figure 2 for drive mounting  
dimensions. Follow these important mounting precautions when mounting  
the drive:  
• A Phillips screwdriver  
• Existing drive mounting screws  
• Existing blade server drive mounting framework, cage, or tray  
• ATA interface adapter (built into blade servers)  
• Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire  
perimeter of the drive for cooling.  
• Use only M3 UNC mounting screws. (Reusing the existing screws may  
be acceptable provided the maximum screw penetration depth of 0.098  
inches is not exceeded.)  
• Gently tighten the mounting screws (maximum torque: 4.0 in-lb).  
• Four (4) threads (0.080 inches) minimum screw engagement recom-  
mended.  
Handling precautions/electrostatic discharge protection  
• Disc drives are fragile. Do not drop or jar the drive. Handle the drive only  
by the edges or frame. Keep the drive in the electrostatic discharge  
(ESD) bag until you are ready to install it to minimize handling damage.  
• Drive electronics are extremely sensitive to static electricity. While  
installing the drive, wear a wrist strap and cable connected to ground.  
• Turn off the power to the blade server during installation. In most blade  
server host systems, you do not need to shut down the entire system  
chassis itself, just power to the blade server itself. Refer to the system’s  
documentation for information specific to your particular system.  
• Do not disassemble the drive. Doing so voids the warranty. See the war-  
ranty information on page 2.  
3.945 +/-0.0098  
(100.2 +/-.25)  
.157  
(3.9878)  
0.490 +/- .010  
(12.446 +/- .254)  
.399  
(10.135)  
0.680 +/- .010  
(17.27 +/- .254)  
Breather Hole  
Do not cover  
or seal.  
• Do not apply pressure or attach labels to the circuit board or to the top of  
the drive.  
2.750 +/- .0098  
(69.85 +/- .25)  
Drive characteristics  
ST9160821AB  
160 Gbytes  
312,581,808  
8 Mbytes  
ST9120822AB  
120 Gbytes  
234,441,648  
8 Mbytes  
Formatted capacity**  
Total number of sectors*  
Cache size  
inches  
(mm)  
Recommended case  
temp. measurement location  
ST9100828AB  
100 Gbytes  
195,371,568  
8 Mbytes  
ST980815AB  
80 Gbytes  
156,301,488  
8 Mbytes  
Formatted capacity**  
Total number of sectors*  
Cache size  
3.567  
(90.602)  
2X M3 X 0.5-6H  
Mounting holes  
Both sides  
.551  
(13.99)  
.12 min. full thread  
.374 +/- .0078  
(9.5 +/- .2)  
ST960815AB  
60 Gbytes  
117,210,240  
8 Mbytes  
ST9402116AB  
40 Gbytes  
78,140,160  
8 Mbytes  
Formatted capacity**  
Total number of sectors*  
Cache size  
2X .118  
Both sides  
3.567  
(90.60)  
4X M3 X 0.5-6H  
Mounting holes  
.10 min. full thread  
.551  
(13.99)  
*One sector equals 512 bytes.  
**One Gbytes equals one billion bytes when referring to hard drive capac-  
ity. Accessible capacity may vary depending on operating environment and  
formatting.  
Replacing the existing hard drive  
2.430  
(61.722)  
Each system has its own unique hard drive compartment. Refer to your  
system manual to locate the hard drive compartment and for instructions  
on removing and replacing the hard drive.  
Warning. Ensure that power to the drive is removed or turned off. In a  
blade server, this typically means turning off power to the blade  
server itself, not the host chassis.  
.160  
(4.06)  
Figure 2.  
Mounting dimensions—end, top, side, and bottom views  
Note. This drive is designed for a blade server that supplies interface sig-  
nals and +5V power through a single 44-pin connector. Most blade  
servers have a fixed connector that attaches directly to the drive.  
Some blade servers allow two drives to be installed and setup in a mirrored  
RAID configuration. If this is your situation, ensure that the storage capaci-  
ties and speeds of the two drives are identical to avoid potential perfor-  
mance and reliability problems.  
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