Seagate ST1102A, ST1144A Installation Guide

<SP Seagate Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, California 95066-4544, US/
Publication Number: 36154-001, Rev. B
ST1102A, ST1144A
AT Interface Drive
Installation Guide
&P Seagate
Copyright Notice
Seagate®, Seagate Technology® and the Seagate logo are re: trademarks of Seagate Technology, Inc.
©Copyright 1990 Seagate Technology, Inc. 920 Disc Drive, Scotts Valley, California 95066-4544, USA Telephone: 408/438-6550 Publication Number: 36154-001, Rev. B
Seagate reserves the right to change, without notice, product offerings 1 or specifications. This publication, and all material contained herein, are copyrighted with all rights reserved. No part of this publication may be copied without written permission of Seagate Technology, Inc.
AMI is a registered trademark of American Megatrend, Inc. Award is a
registered trademark of Award Corporation. AT is a registered trademark of International Business Corporation. XT is a trademark of International Business Machines Corporation. Phoenix is a registered trademark of Phoenix Corporation. Quadtel is a registered trademark of Quadtel Corporation.
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ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
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Before You Begin...
This installation guide supports Seagate’s ST1102A and ST1144A Drives, ROM 5.0, RAM 5.5 or greater.
Always verify that the system power is off before attempting any installation
Inspect the drive, cables, mounting hardware/accessories, documenta¬ tion and packaging. If any item is incorrect, missing or appears damaged, contact your Distributor or Dealer immediately.
Important Handling Notes:
accounts for many "installation" problems. Do not attach any labels to the drive top cover as they may obstruct the breather holes. Always handle the drive carefully.
Observe Static-Discharge Precautions:
shielded bag until you are ready to complete the installation. Use a grounded wrist-strap at your workstation; if unavailable, ground yourself frequently by touching the metal chassis of the system before handling any components. Avoid static-inducing carpeted areas.
Shipping:
When transporting or shipping a drive or controller, a
Seagate-approved container
Keep your original box. They are easily identified by the
Approved Package tainer will void the drive warranty.
Seagate service centers may refuse receipt of components improperly packaged or obviously damaged in transit. Contact your Authorized Seagate Distributor to purchase additional boxes. Seagate recommends shipping by an air-ride carrier experienced in handling computer equip¬ ment.
Maintenance:
tenance. The head/disc assembly is sealed and does not contain any user-serviceable components. Tampering with the factory-seal will void
the warranty.
label.
Seagate disc drives do not require any preventive main¬
Improper handling during transit/shipping
must be used.
Shipping a drive in a non-approved con¬
Keep the drive in the static-
Seagate
2_
Seagate customer service centers are the only facilities authorized to service Seagate drives. Seagate does not sanction any third-party repair facilities. Any unauthorized repair or tampering with the factory-seal will void the warranty.
Warranty:
for warranty information.
End-User Technical Support:
board service. This facility offers up-to-date product technical support.
Modem Number: 408/438-8771 [300-9600 HST, MNP 3/5, N-8-1]
This is atoll call.
ST 1102A/ST1144A AT
Contact your Seagate Authorized Distributor or your Dealer
Drive Installation Guide, Rev. B
Seagate maintains a 24-hour bulletin
ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
FCC Verification
This equipment has been tested with a Class B computing device and has been found to comply with Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in residential installations. This equipment generates, uses and can radiate radio frequency energy, and if not used in accordance with the instructions, may cause harmful interference to radio communications.
If this equipment does cause interference to radio or television equipment 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.
• Move the equipment away from the receiver.
• Plug the equipment into an outlet on a circuit different from that to which the receiver is powered.
If necessary, the user should consult the dealer or an experienced radio/television technician for additional suggestions.
Caution:
expressly approved by the grantee or manufacturer could void the user’s authority to operate such equipment.
Note:
This digital apparatus does not exceed the Class B limits for radio
noise emissions from digital apparatus as set out in the Radio Inter¬
ference regulations of the Canadian Department of Communications.
Any changes or modifications to the equipment by the user not
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ST1102A/ST1144A AT Drive Installation Guide, Rev. B
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ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
1.0 Drive Capacity and Geometry
1.1 ST1102A Formatted Capacity
The following specifications are maximum logical numbers. Available capacity depends on the drive type geometry supported by your system BIOS.
Guaranteed Megabytes:
Guaranteed Sectors:
Sectors per Cylinder:
Bytes per Sector:
Bytes per Track:
Bytes per Cylinder:
89.1
174,080
255
512
8,704
130,560
1.1.1 ST1102A Translation (Default) Drive Organization
Maximum logical drive geometry numbers are listed below. These num¬ bers can vary for drive type, as long as they do
specified and the following product:
(Sectors/Track) (Cylinders) (Read/Write Heads)
to the maximum guaranteed sectors.
Default
Sectors per Track:
Cylinders:
Read/Write Heads:
17 max
1,024 max
10 max
not exceed the maximums
is less than or equal
1.2 ST1144A Formatted Capacity
The following specifications are maximum logical numbers. Available capacity depends on the drive type geometry supported by your system BIOS.
Guaranteed Megabytes:
Guaranteed Sectors:
Sectors per Cylinder:
Bytes per Sector:
Bytes per Track:
Bytes per Cylinder:
1.2.1 ST1144A Translation (Logical) Drive Organization
Maximum logical drive geometry numbers are listed below. These num¬ bers can vary for drive type, as long as they do not exceed the maximums specified and the following product:
(Sectors/Track) (Cylinders) (Read/Write Heads)
to the maximum guaranteed sectors.
Sectors per Track:
Cylinders:
Read/Write Heads:
130.7
255,255
255
512
8,704
130,560
is less than or equal
Other
17 max
14
Default
17 max
1,001 max 1,024 max
15
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ST1102A/ST1144A AT Drive Installation Guide, Rev. 8
ST1102A/ST1144A AT Drive Installation Guide, Rev. B
7
2.0 Drive Setup and Installation
Important Note:
removed from the system.
2.1 M
A master/slave relationship must be established between drives on the AT bus.
Drive 1 is configured as the master and drive 2 is designated as the slave. The Master jumper (pins 3-4) and Slave Present jumper (pins 5-6) are noted in Figure 1 on page 8.
Single Drive System
Drive 1 in a 2-Drive System
Drive 2 in a 2-Drive System
2.2 R
When pins 9-10 at the User Configuration Jumper are shorted, the drive will indicate activity to the host via the AT interface.
2.3 D
The drive may be mounted horizontally with the PC board down or on either side-edge. Mounting vertically, front panel up or down is prohibited. Required for mounting: 4, 6-32 UNC-2B X 0.150 screws.
Maximum cable length: 18-inches
All ST412 interface drive and controllers must be
aster/Slave Selection
Master Jumper
Install Jumper Remove Jumper
Install Jumper
Remove Jumper Remove Jumper
emote LED
rive Mounting and Cabling
Slave Present
Install Jumper
Jumper
2.4 AT
Host Adapter Support
Seagate offers two AT Host Adapters. They are both half-slot boards, which provide a 40-pin AT interface connector for systems lacking an AT interface drive connector on the system motherboard.
The ST07A/ST08A support two AT interface drives. They provide ad¬ dress decoding for hard drive I/O and buffering of signals between the host and the hard drive.
The ST08A supports up to two floppy diskette drives:
• 5.25-inch, 360 Kbyte/1.2 Mbyte
• 3.5-inch, 720 Kbyte/1.44 Mbyte
An auxiliary DC power connector is provided on both boards.
ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
Figure 1: ST1102A / ST1144A AT Interface Drive
Important Note:
process and is not recommended for field use.
The Life test jumper is used during the manufacturing
3.0 Drive Partitioning and Formatting
• Required: DOS 3.3 or greater
• The ST 1102A and ST 1144A are low-level formatted at the factory.
Do not low-level format. Doing so will delete important factory­written defect information.
• Run FDISK for drive partitioning and then high-level format with the DOS FORMAT command.
• Be sure to transfer the DOS systems files, if a bootable drive is required. Consult your system DOS manual for running FDISK and FORMAT.
3.1 Supported System BIOS and Drive Types
The ST1102A and ST1144A are AT Interface compatible drives. The following BIOS manufacturers have indicated that the listed BIOS revision levels are fully AT Interface compatible.
Earlier BIOS revisions may provide partial AT Interface support. If compatibility problems occur, please contact your system manufacturer
Refer to table on page 10.
10
ST 1102A/ST1144A AT Drive Installation Guide, Rev. B
ST1102A/ST1144A AT Drive Installation Guide, Rev. B
ST1102A ST1144A
35*
33*
40*
35*
35*
BIOS Mfg.
AMI
Award
Quadtel
Phoenix
PhoenixBIOS
* Implementation of these drive types may vary by system manufac¬ turer.
ECC Bytes:
Read/Write Long Commands. Based on drive type, some BIOS look for 7 bytes of ECC. If the BIOS expects 7 bytes, some drive diagnostics will return false failures (typically timeout errors).
Version
4/9/90 or later
3.04 or higher
Single Drive: Any Version
Dual Drive: 3.04 or higher
ROM BIOS Plus 286 3.10
or higher
ROM BIOS Plus 386 1.10
or higher
1.00 or higher
The ST1102A and ST1144A use 4 bytes of ECC with
9, 47*, 45*
9, 41*
9
9, 41*
9,41*
3.1.1 Drive Type Geometry
Drive types are selected and entered in the system CMOS during setup. Match your drive type to one tabulated below:
Drive Type
Cylinders R/W
33
1,024
35
1,024
40
1,024
9
900
41
917
47
If you have a system BIOS which offers a "user-defined" drive type, select
from the following drive configurations:
ST1102A
ST1144A 1,024
ST1144A
Note:
106
bytes.
1,024 14
45
917
Drive
Cylinders R/W
1,024
1,001 15
Formatted megabytes are calculated using one megabyte equals
1
Sectors/Track
Heads
10
9
9
15
15
15
Sectors/Track
Heads
10
14
Formatted
MBytes
17
89.1
17
80.2
17
80.2
17
117.5
17
119.7
17
124.7
17
119.7
Formatted
MBytes
17
89.1
17
124.7
17
130.7
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