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st01-02.txt
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1990-12-20
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____________________________________________________ST01, ST02
_____________________________________________SCSI Host Adapter
____________________________________________Installation Guide
______________________________________________________________
______________________________________________________________
______________________________________________________________
______________________________________________________Seagate
Copyright Notice:
Seagate, Seagate Technology and the Seagate logo are
registered trademarks of Seagate Technology, Inc.
@Copyright 1989 Seagate Technology, Inc.
P.O. Box 66360, Scotts Valley, CA 95067-0360, USA
Telephone: 408/438-6550
Publication Number: 36069-001, Rev. E
Seagate reserves the right to change, without notice, product
offerings or specifications. This publication, and all material
contained herein, are copyrighted with all rights reserved.
Seagate Technology, Inc., grants the right to make unlimited,
unaltered copies of this document provided no charge is made
beyond the cost of copying.
IBM, PC-DOS, PC AT and PS/2 are registered trademarks of
International Business Machines Corporation. PC XT is a trademark
of International Business Machines Corporation.
MS-DOS is a registered trademark of Microsoft Corporation.
Disk Manager is a registered trademark of Ontrack Computer
Systems, Inc.
1
Introduction:
This handbook may be used for ST01/02 Host Adapter installation
or with Seagate's SCSI Paired Program. Paired Program means that
the drive and Host Adapter/Controller are matched to optimize
system throughput. And, installation software is already loaded
on the drive.
Seagate SCSI drives are recognized by an "N" after the drive
model number, e.g., ST1096N.
The ST01 and ST02 Host Adapters provide an 8-bit SCSI interface
for the IBM PC XT AT (and all 100% compatible systems) and up to
seven SCSI devices. Installation of more than two hard disc
drives requires device driver software, which is not provided by
Seagate.
The ST02 additionally supports up to two 3.5-inch or 5.25-inch
floppy diskette drives.
Seagate SCSI Host Adapters require only a single bus connector
and may be installed in a standard IBM PC short or long slot.
2
Before You Begin...
This guide may be used for ST01/02 SCSI Host Adapter installation; both
Paired and non-Paired applications. In either application,
ST01/ST02 setup is identical.
All Paired Program drives are shipped already formatted with a
small DOS partition. A program to install the drive, called
INSTALLR is contained in that partition. You must supply the DOS
system. Seagate Paired Program drives are easily recognized by a
"PR" label on the top cover.
Paired Program drives with formatted capacities greater than 32
megabytes are shipped with partitioning software, referred to as
Disk Manager.
Before Beginning The Installation: Inspect the drive, Host
Adapter, cables, mounting hardware and accessories, documentation
and packaging. If any item is incorrect, missing or appears
damaged, contract your Distributor/Dealer.
Shipping: Improper handling during transit/shipping accounts for
many "installation" problems. When transporting or shipping a
drive, controller or system, please ensure that they are
correctly packed in the original container and shipped via an
approved carrier.
Repair centers may refuse receipt of components improperly
packaged or obviously damaged in transit. Consult your
Distributor/Dealer for approved packing materials and carriers.
Care and Handling: Do not handle a drive/Host Adapter without
observing static-discharge precautions. A grounded wrist-strap is
preferred; if unavailable, ground yourself frequently by touching
the metal chassis of the system before handling any components.
Do not unpack the drive/Host Adapter until you are ready to
complete the installation.
Seagate disc drives do not require any preventive maintenance.
The head/disc assembly is sealed and does not contain any user
serviceable components. Do not tamper with the sealed top cover;
doing so will void your warranty.
3
I. SCSI Drive and Host Adapter Compatibility
The ST01/ST02 Host Adapters support Seagate SCSI interface hard
drives. Early versions of the ST01 have an 8K ROM and no
auxiliary drive power connector. The 16K version of the ST01 has
an auxiliary drive power connector and is designated as ROM
Version 2.0 or higher.
The ST02 supports up to two 3.5-inch or 5.25-inch floppy diskette
drives.
Table 1: ST02 Diskette Support
-------------------------------------------------------------
| Diskette | Capacity | Transfer Rate |
-------------------------------------------------------------
| 5.25-inch | 360 KBytes | 250 Kbits/sec |
-------------------------------------------------------------
| 5.25-inch | 1.2 MBytes | 300/500 Kbits/sec |
-------------------------------------------------------------
| 3.5-inch | 720 KBytes | 250 Kbits/sec |
-------------------------------------------------------------
| 3.5-inch | 1.44 MBytes | 300/500 Kbits/sec |
-------------------------------------------------------------
Diskette support in IBM PC-compatible systems depends upon the
operating system used and the BIOS installed on the system board.
The user may have to upgrade either the BIOS or operating system
in order to obtain the desired diskette support.
Table 2 outlines the operating system requirements for the
various diskette drive types.
4
Table 2: PC/MS-DOS Support for Diskette Drives
-------------------------------------------------------------
| DOS Version | 360 KByte| 1.2 MByte| 720 KByte|1.44 MByte|
-------------------------------------------------------------
| PC/MS-DOS 2.1 | X | | | |
-------------------------------------------------------------
| PC/MS-DOS 3.0 | X | X | | |
-------------------------------------------------------------
| PC/MS-DOS 3.1 | X | X | | |
-------------------------------------------------------------
| PC/MS-DOS 3.2 | X | X | X | |
-------------------------------------------------------------
| PC/MS-DOS 3.3 | X | X | X | X |
-------------------------------------------------------------
IBM offers drive support starting at PC-DOS 3.2 for the 720 KByte
diskette and at version 3.3 for the 1.44 MByte drive. The
DRIVER.BIN module is installed via the CONFIG.SYS module at boot
time.
Microsoft offers driver support starting at MS-DOS 3.2 for the
720 KByte drive through use of the DRIVPARM and DRIVER.SYS
programs.
MS-DOS 3.3 supports both the 720 KByte and 1.44 MByte drives
using the DRIVER.SYS program.
The MS-DOS DRIVER.SYS and DRIVPARM modules are installed via the
CONFIG.SYS file at boot time.
In addition to the requirement that the operating system support
a particular diskette drive, the ROM BIOS installed on the system
board must also provide compatibility.
Table 3 indicates the diskette drives supported by the ROM BIOS
installed in the most common IBM systems.
PC compatibles that do not use an original IBM BIOS should
consult the Operations Manual supplied with their system to
determine the diskette drive support offered.
5
Table 3: IBM ROM BIOS Support for Diskette Drives
-------------------------------------------------------------
| IBM System | 360 KByte|