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 4200.2 Installation Guide
ST9100822A, ST9808210A, ST960821A, ST950212A,
ST9402113A and ST930219A
Note. For mobile system operation, use cable select (default) or master.
ATA Interface Disc Drives
Publication Number: 100342048, Rev. D, January 2005
Drive is master (or single drive)
Drive is slave
The easiest way to install your drive
Many of today’s mobile computers have been designed to make it possible
for the end user to 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
Some mobile systems are sealed and require specialized tools to gain
access to the hard drive.
Caution. Special training or tools may be needed to service some mobile
computers. In some cases, opening the case may void your war-
ranty. Consult your system documentation.
Figure 1.
Jumper settings
Drive mounting
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:
Seagate recommends taking your system to an authorized service techni-
cian to replace your hard drive.
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 systems hard drive.
• Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire
perimeter of the drive for cooling.
• Use only M3 x 0.5 mounting screws.
• Gently tighten the mounting screws (maximum torque: 4.0 in-lb).
• Four (4) threads (0.080 inches) minimum screw engagement recom-
mended.
What you need
• A Phillips screwdriver
• Existing drive mounting screws (reuse)
• Existing drive mounting framework, cage or tray (reuse)
• ATA interface adapter (built into notebook and laptop systems)
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 host system during installation.
• Do not disassemble the drive. Doing so voids the warranty. See the war-
ranty information on page 2.
3.945 +/-0.010
(100.2 +/-.25)
0.490 +/- .010
(12.446 +/- .254)
.157
(3.9878)
.399
(10.135)
0.673 +/- .010
(17.09 +/- .254)
Breather Hole
Do not cover
or seal.
2.750 +/- .010
(69.85 +/- .25)
• Do not apply pressure or attach labels to the circuit board or to the top of
the drive.
3.567
(90.60)
Drive characteristics
Recommended case temp.
measurement location
.551
(13.99)
2X M3 X 0.5-6H
Mounting holes
Both sides
ST9100822A
100 Gbytes
195,371,568
8 Mbytes
ST9808210A ST960821A
80 Gbytes 60 Gbytes
156,301,488 117,210,240
8 Mbytes 8 Mbytes
Formatted capacity
Total number of sectors*
Cache size
.374 +/- .008
(9.5 +/- .2)
.12 min. full thread
2X .118 (3.00)
Both sides
4X M3 X 0.5-6H
Mounting holes
.10 min. full thread
3.567
(90.60)
ST950212A
50 Gbytes
97,696,368
2 Mbytes
ST9402113A ST930219A
.551
(13.99)
Formatted capacity
Total number of sectors*
Cache size
40 Gbytes
78,140,160
2 Mbytes
30 Gbytes
58,605,120
2 Mbytes
inches
(mm)
*One sector equals 512 bytes.
2.430
(61.72)
Replacing the existing hard drive
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.
.399
(10.135)
Warning. Turn off the computer. If you have a notebook or laptop com-
puter, disconnect the power charger/adapter and remove the
battery before you open the case or touch any internal compo-
nents.
.160
(4.06)
Detail A
Detail A
Figure 2.
Mounting dimensions—end, top, side, and bottom views
Note. This drive is designed for a host computer that supplies interface
signals and +5V power through a single 44-pin connector. Most
mobile computers have a fixed connector that attaches directly to
the drive.
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