• 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. Return the
entire drive for depot service if any part is defective.
Barracuda 7200.8 Installation Guide
• Do not apply pressure or attach labels to the drive.
ST3400832A, ST3300831A, ST3250823A, and ST3200826A
Setting the jumpers
ATA Interface Disc Drives
Refer to the jumper settings illustration below or on your drive label to con-
figure the drive for your system. Jumper settings can also be accessed
• Master or single drive: The drive is shipped configured for a master or
a single drive with a jumper set on pins 7 and 8.
Publication Number: 100325406, Rev. A, November 2004
The easiest way to install your drive
DiscWizardTM, available exclusively from Seagate®, provides you with cus-
tomized installation instructions for your hard drive. You can get this free
port or run the program directly from your web browser. In either case, you
should run DiscWizard before you install your drive.
• Drive is slave: To configure the drive as a slave or second drive on the
cable, remove all the jumpers.
• Master with non-ATA compatible slave: Use this setting if the slave
drive is not recognized. Configure the master drive with a jumper set on
pins 5 and 6 and pins 7 and 8 to enable this option.
To run DiscWizard:
ate a diskette and complete the installation.
If you cannot run DiscWizard, follow the instructions on this installation
sheet to install and configure your drive.
• Cable select: Computers that use cable select to determine the master
and slave drives by selecting or dese-
lecting pin 28, CSEL, on the interface
bus. To enable cable select, set a
Options jumper block
What you need
jumper on pins 5 and 6.
*Master or single drive
• A Phillips screwdriver and four 6-32 UNC drive mounting screws
• An ATA interface cable. For optimum performance use an 80-conductor
Ultra ATA/100 cable which has blue, gray, and black connectors.
• Alternate capacity jumper: Drives
with a 40-Gbyte capacity or greater
Drive is slave
Master with non ATA-
compatible slave
are limited to 32 Gbytes. Use this
jumper only if you have a legacy sys-
tem with a BIOS that does not support
large capacity disc drives. When using
the alternate capacity jumper,
*Cable select
Ultra ATA/100 requirements
Alternate capacity.
Limits drive capacity
to 32 Gbytes
The drive can be configured to support a default maximum transfer rate.
This drive can support transfer rates up to 100 Mbytes per second (UDMA
5) in Ultra ATA/100 mode. Using a software utility, you can set the default
transfer rate to the best capability of your system. For your drive to run in
this mode, you need the following:
7
8
5
6
3
4
1
2
• Manager software is required to
achieve the drive’s full capacity.
• A computer that supports UDMA mode 5
Attaching cables and mounting
the drive
1. Attach one end of the drive interface cable to the interface connector
on your computer’s motherboard (see your computer manual for con-
nector locations).
• A 40-pin, 80-conductor cable (available from your computer dealer)
• A software utility to confirm and activate Ultra ATA/100. Seagate pro-
vides a utility called UATA100.exe. You can download the latest version
• Windows XP, Windows Me, or Windows 98 operating system which sup-
ports Ultra ATA 100.
Caution. Align pin 1 on the motherboard connector with pin 1 on your
Large disc requirements (for capacities over 137 Bytes)
To realize the full capacity of drives over 137 Gbytes:
• Use an operating system that supports 48-bit addressing:
- Microsoft Windows XP Home with Service Pack 1
- Microsoft Windows XP Professional with Service Pack 1
- Windows 2000 Professional with Service Pack 3
- Windows 2000 Server with Service Pack 3
Note. When configuring two ATA devices on
the same cable, both must use Cable
Select or both must use Master/Slave
Master
Pin 1
jumper settings. If using a standard
40-pin cable, the master and slave
drives can be placed in any position. If
using a 40-pin 80-conductor cable, attach
the blue connector to the motherboard,
the black connector to the master drive
and the grey connector to the slave.
Computer
Motherboard
Slave
• Use a 48-bit compatible Ultra ATA/133 PCI host adapter card or connec-
tor on your motherboard.
drive connector. Pin 1 is marked by a stripe on one side of the
cable.
Breather filter hole precaution
2. Secure the drive using four 6-32 UNC mounting screws in either the
side-mounting or bottom-mounting holes. Insert the screws no more
than 0.20 inches (5.08 mm) into the bottom-mounting holes and no
more than 0.14 inches (3.55 mm) into the side-mounting holes.
Note. Do not overtighten the screws or use metric screws. This may dam-
age the drive.
3. Attach the interface connector and the power connector to the drive.
Configuring the BIOS
Close your computer case and restart your computer. your computer may
automatically detect your new drive. If your computer does not automati-
cally detect your new drive, follow the steps below.
a. Restart your computer. While the computer restarts, run the System
Setup program (sometimes called BIOS or CMOS setup). This is usu-
ally done by pressing a special key, such as DELETE, ESC, or F1 dur-
ing the startup process.
Caution. Do not cover, seal, or insert any object into this hole.
This hole has two purposes:
• To allow condensation inside the hard disc to escape
• To allow air pressure inside the hard disc to equalize with ambient pres-
sure
b. Within the System Setup program, instruct the system to auto detect
your new drive.
If this hole is covered, sealed, or penetrated by any object, the drive reli-
ability may be compromised and could lead to permanent damage—doing
so voids the warranty.
c. Enable LBA and UDMA modes, if available and then save the settings
and exit the Setup program.
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.
When your computer restarts, it should recognize your new drive. If your
system still doesn’t recognize your new drive, see the troubleshooting sec-
tion on the back of this sheet.
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