Seagate ST9300 Series User manual

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ST9300 Family:

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ST9300AG, ST9240AG

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ST9150AG

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AT Interface Drives

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Installation Guide

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Publication Number: 36271-001, Rev. A

June 1994

Seagate®

, Seagate Technology®

and the Seagate logo are

registered trademarks of Seagate Technology, Inc. SeaFAX,

SeaFONE, SeaBOARDand SeaTDDare trademarks of

Seagate Technology, Inc. Other product names are registered

trademarks or trademarks of their owners.

Seagate reserves the right to change, without notice, product

offerings or specifications. No part of this publication may be

reproduced in any form without written permission from Seagate

Technology, Inc.

Contents

Read before you begin

... . . . . . . . . . . . . . . . . . . 1

Configuring the drive . . . . . . . . . . . . . . . . . . . . 2

Attaching cables . . . . . . . . . . . . . . . . . . . . . . . 2

Mounting the drive . . . . . . . . . . . . . . . . . . . . . 4

Configuring your computer . . . . . . . . . . . . . . . . . 5

Formatting and partitioning the drive . . . . . . . . . . . 7

Installation troubleshooting . . . . . . . . . . . . . . . . 9

Compatibility notes . . . . . . . . . . . . . . . . . . . . 15

Technical support services . . . . . . . . . . . . . . . . 16

Shipping and storing your drive . . . . . . . . . . . . . 19

Read before you begin

...

Application. Your drive is designed for IBM AT and compatible

personal computers, particularly laptop and notebook models.

Warning. Turn off the computer(and, if you have a notebook or

laptopcomputer,removethebattery)beforeyouopen

the case or touch any internal components.

Caution. Special training or tools may be needed to service

laptop and notebook computers. Opening the case

may void your warranty. Review the terms and condi-

tions of your warranty before opening the case.

Static discharge. Observe the following precautions:

•Beforehandlinganycomponents,putonagroundedwriststrap.

•Use antistatic padding on all work surfaces.

•Avoid static-inducing carpeted areas.

•Keep the drivein its static-shielded bag until you are ready to

completetheinstallation.Donotattachanycables tothedrive

while it is in its static-shielded bag.

•Handle the drive by its edges or frame.

•Do not touch the I/O connector pins or the circuit board.

Drive handling. The drive is extremely fragile—handle it with

care. Do not attach labels to any part of the drive.

Inspection. After you are familiar with the handling precautions

listed above, inspect the drive. If it appears to be damaged, call

your distributor or dealer immediately.

Warranty. See your authorized Seagate®

distributor or dealer.

Maintenance and repair. Seagate drives do not require main-

tenance.Thehead/discassemblyissealed;ifyoubreaktheseal,

ST9300 Family Installation Guide, Rev. A 1

you voidthe warranty. Seagate customer servicecenters are the

only facilities authorized to repair Seagate drives. Seagate does

not sanction any third-party repair facilities.

Configuring the drive

1. Put on a grounded wrist strap. Wear the grounded wrist

strap throughout the installation procedure.

2. Install master/slave jumpers. In a two-drive system, you

need to designate one drive as the master, or drive 0, and

the other drive as the slave, or drive 1. To do this, install the

master/slave jumpers as shown in Figure 1. In a one-drive

system, configure the drive as a master (no jumpers in-

stalled).

Alternatively, you can configure the drive as a master or

slave using the cable select option. This requires a special

daisy-chain cable that grounds pin 28 (CSEL) on one of its

two drive connectors. If youattach the drivetothegrounded

CSEL connector, it becomes a master. If you attach the

drive to the ungrounded CSEL connector, it becomes a

slave. To use this option, the host system and both drives

must support cable select.

To configure an ST9300 family drive for cable select, install

both master/slave jumpers.

Attaching cables

This drive is designed for a host computer that supplies

interface signals and +5V power through a single 44-pin

connector and cable. If your computer has a fixed connector

that attaches directly to the drive, skip ahead to the following

2 ST9300 Family Installation Guide, Rev. A

Master/slave

configuration

jumpers

Pin 1 Pin 20 removed

for keying Circuit board

B D

A C

Drive is master; slave may be detected using DASP– signal

Drive is master; Seagate slave drive present

Drive is slave; Seagate master drive present

Use CSEL pin grounding to differentiate master from slave

Figure 1. ATA interface connector and master/slave

configuration jumpers

ST9300 Family Installation Guide, Rev. A 3

section, “Mounting the drive.” Otherwise, perform the following

steps:

1. Turn off the computer and remove the battery.

2. Put on a grounded wrist strap.

3. Open the case of your computer. See your system manual

for instructions.

Caution. Openingthecasemayvoidyourcomputer’s warranty.

4. Connect the 44-pin interface/power cable. Match pin 1 of

the cableto pin 1 of the interface connectors on the drive and

on the computer. Pin 1 is usually denoted by a stripe along

one edge of the cable. The location of pin 1 on the drive

interface connector is shownin Figure 1 on page 3. The cable

should be no longer than 18 inches (0.457 meters).

Caution. The printed circuit cables used in some laptop com-

puters are delicate. Be careful not to tear them.

Mounting the drive

Mount the drive securely in the computer using M3X0.5 metric

screws in the four bottom mounting holes or the four side

mounting holes. You can mount the drive in any orientation. Be

careful not to strain or crimp the interface/power cable.

Caution. To prevent damage to the drive:

•Be careful not to bend the drive connector pins, especially

when plugging the drive into a fixed connector.

•Use mounting screws of the correct size and length.

•Gently tighten the mounting screws—do not apply more than

3 inch-pounds of torque.

•Do not insert mounting screws more than 0.15 inch.

4 ST9300 Family Installation Guide, Rev. A

Note. This drive meets industry-standard MCC mounting speci-

fications. When installing this drive in a fixed-mounting

application, you must use MCC-compatible connectors

and mounting hardware. If the mounting holes in your

computer do not line up with the mounting holes on the

drive, your computer may not be MCC-compatible.

Configuring your computer

Before your computer can recognizeanewdrive,you must enter

basic information about the drive into the computer’s long-term

memory (usually a battery-powered CMOS chip). The com-

puter’s basic input/output system (BIOS) uses this information to

control the flow of data to and from the drive.

Note. Some newer computers can automatically determine your

drivetypeandconfigurethemselvesappropriatelyatstartup.

Readyoursystemmanualtodeterminewhether thisapplies

to your computer. If so, then skip ahead to the following

section, “Formatting and partitioning the drive,” on page 7.

In most computers, you must enter the number of cylinders,

heads and sectors using the system setup program (see page

6). The table below lists data for the ST9300 family drives.

Drive specification ST9300AG ST9240AG ST9150AG

No. cylinders 569 988 419

No. read/write heads 15 8 13

No. sectors per track 60 52 47

Total no. sectors 512,100 411,008 256,009

Bytes per sector 512 512 512

Capacity (Mbytes)

BIOS calculated 249.9 200.6 124.9

Usable 262.1 210.4 131.0

ST9300 Family Installation Guide, Rev. A 5

To configure your system BIOS, follow these steps:

1. Turn on your computer.

2. Run the system setup program. This program configures

the system BIOS to recognize yourdrive. In some computers

you run the system setup program by pressing special keys

while the computer is booting up. In other computers, youcan

run the program from the DOS prompt. See your system

documentation for more information.

3. Enter your drive specifications. Within the system setup

program, there are three possible ways that you can enter

your drive’s specifications. These are listed below in order of

increasing complexity.

•Select a predefined drive type. Most system setup pro-

grams provide a long list of predefined drive types. Select a

drive type with specifications that match those of your drive

(refer to the table onpage 5).

•Specify a

custom

user-defined

drive type. If the

system setup program doesn’t list a predefined drive type

that matches your drive specifications, you may be ableto

define a custom or user-defined drive type. You can then

enter your drive specifications (from the table on page 5).

When you enter drive specifications for a custom or user-

defined drive type, the setup program should display a

drive capacity less than or equal to the

BIOS calculated

capacity

in the table on page5. This value is slightly lower

than the usable drive capacity.

•Allow your drive to emulate or

translate

one of the

predefined drive types. If none of the predefined drive

types exactly matches your drive, and your system setup

program doesnot allowyouto specify a custom drivetype,

6 ST9300 Family Installation Guide, Rev. A

your drive may be able to emulate one of the predefined

drive types.

Selectapredefineddrivetypethatmeetsallofthefollowing

requirements:

•

Drive capacity

≤

BIOS calculated capacity

•

Read/write heads

≤16

•

Sectors per track

≤63

•

Total sectors per drive

≤

(cylinders)

(read/write heads)

(sectors per track)*

* Drive-specific values for drive capacity, cylinders,

read/write heads and sectors per track are listed in the

table on page 5.

If you are not sure which drive type to select, try running

the FINDTYPE.EXE utility program. This program is avail-

able from Seagate’s Technical Support services (on the

SeaBOARD computer bulletin board).

Caution. Write down the drive type that you have selected and

anydrivespecificationsthatyouhaveentered(usethe

Notes page at the end of this manual). Keep this

information in a safe place. You willneed it to retrieve

data from the drive if your CMOS battery fails.

Formatting and partitioning the drive

Caution. Formatting or partitioning a drive that contains data

destroys that data. Make sure all data has been safely

backedupbeforerepartitioningorreformattingadrive.

Seagate Technology assumes no liability forlost data.

ST9300 Family Installation Guide, Rev. A 7

Low-level formatting

SeagateATInterfacedrivesarelow-levelformattedatthefactory

and do not require additional low-level formatting before use.

Partitioning

The partitioning process subdivides a single disc drive into

partitions that behave as separate logical drives (labeled C, D,

E, etc.). You can also set up the entire disc as a single partition.

Note. If you are using a version of DOS prior to Version 4.0, the

operating system cannot access more than 32 Mbytes in

a single partition. Therefore, you must divide a drive with

a capacity of over 32 Mbytes into several smaller parti-

tions. We do not recommend using ST9300 family drives

with DOS versions prior to Version 3.3.

1. Restart your computer. Boot up the computer using a

diskette that contains DOS system files.

2. Run the FDISK program. Insert a DOS program diskette

containing the FDISK program into your diskette drive. At the

DOS prompt, typeFDISK, press ENTER, then followthe direc-

tions on the screen to create one ormorepartitions.Seeyour

DOS manual fordetails. If you arepartitioning a drive thatwill

be used to boot the computer, make sure that the primary

partition is marked active.

High-level formatting

High-level formatting verifies the information written by the low-

levelformat and creates file allocation tablesusedtocatalog and

access files.

1. Run the FORMAT program. Insert a DOS program diskette

containing the FORMAT program into your diskette drive. At

the DOS prompt, type FORMAT, followed by the drive letter

8 ST9300 Family Installation Guide, Rev. A

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