ST01/02 Host Adapter installation

____________________________________________________ST01, ST02

_____________________________________________SCSI Host Adapter

____________________________________________Installation Guide

______________________________________________________________

______________________________________________________Seagate

Seagate, Seagate Technology and the Seagate logo are

registered trademarks of 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

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.

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.

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.

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.

Table 2: PC/MS-DOS Support for Diskette Drives

-------------------------------------------------------------

-------------------------------------------------------------

| 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.

Table 3: IBM ROM BIOS Support for Diskette Drives

-------------------------------------------------------------

-------------------------------------------------------------

| PC, PC XT | X | | | |

-------------------------------------------------------------

| PC XT 286 | X | X | X | |

-------------------------------------------------------------

| PC AT (6 MHz) | X | X | | |

-------------------------------------------------------------

| PC AT (8 MHz) | X | X | X | |

-------------------------------------------------------------

| PS/2 Model 30 | X | X | X | |

-------------------------------------------------------------

| 50/60/80 | X | X | X | X |

-------------------------------------------------------------

Note: The ST02 Host Adapter does not contain any ROM BIOS

extensions for diskette drive support.

II. ST01/ST02 and SCSI Drive Configuration

Before attempting any installation read through these

instructions. Verify that the system is powered-down.

1. Remove the top cover from the system. Retain the screws.

2. SCSI Address/Parity Jumpers and Resistor Packs:

Set the SCSI ID jumper on the hard disc drive. The Host

Adapter recognizes devices by their SCSI ID number. If the drive

has parity jumpers, they must remain shorted.

* If you are installing one drive, the ID number is 0 (no

jumper).

* A second physical drive must be set as ID number 1.

* Drive Resistor Termination Packs:

If you are installing two drives, remove the resistor

termination packs from the first drive (the drive

nearest the Host Adapter on the cable).

3. Remove the Host Adapter from the protective covering. Observe

static-discharge precautions and do not touch the board

components or connectors.

4. Host Adapter Configuration Jumpers:

* Starting BIOS Address, ST01 and ST02:

C800H is the 16K BIOS address (default). For the 8K

BIOS, the default address is CA00H. If there is a board

already installed at the default address in the system,

use the jumpers to change to another address. Refer to

Figures 1-3 and Tables 4-5.

* Zero-Wait-State (0WS), ST01 and ST02:

A 2-pin jumper is provided to enable the 0WS logic for

PC ATs and compatibles that implement the 0WS control

line on the PC bus. The default configuration disables

the use of this line.

Optimum performance will be achieved, on PC AT

compatibles that correctly implement this signal, by

enabling this line. Refer to Figures 1-3 and Table 6.

Please consult your system manual or contact your

dealer for more information.

* Interrupt Selection, ST01 and ST02:

A 3-pin jumper is provided in order to select

interrupts. Interrupts should be disabled (by removing

the jumper) for PC/MS-DOS operating in PC XT AT

environments. This is the default configuration. Refer

to Figures 1-3 and Table 7.

* Diskette Drive Selection, ST02 Only:

The ST02 supports all four of the standard PC diskette

drive types. A jumper is provided (JP5) to restrict

diskette support PC XT functionality; that is, only 360

KByte and 720 KByte. The default setting (jumper on)

will support all types. Refer to Figure 3 and Table 8.

* Register Emulation, ST02 Only:

Many personal computers that are compatible with the

IBM PC AT check at boot time to verify that an

AT-compatible diskette/hard drive controller is

present. If not, then an XT-compatible diskette

controller is assumed and only 360 KByte diskette

drives are supported.

A jumper is provided to enable emulation of this

The default is to enable emulation. In PC and PC XT

environments, it is not used and may be safely left

installed. It should be used in PC AT compatible

systems; removing the jumper may prevent use of 1.2

MByte and other (non-360 KByte) format diskette drives.

Emulation should be disabled if the system already has

a hard disc controller installed.

5. Connect the hard drive (and diskette drive to the ST02) cables

to the Host Adapter. You may find it easier to attach the cables

before you install the Host Adapter in the system. Pin-1 on the

Host Adapter always corresponds to pin-1 at the drive connector.

Note that some cables have a colored stripe to indicate pin-1.

6. Install the drive in the left drive-bay, if possible, as the

power supply may obstruct the cable.

7. For ease of installation attach the cable to the drive before

you slide it completely back into position.

8. Connect the drive DC power line.

9. Verify that all connections are correct and replace the system

cover. Go on to Parts IV and V/VI for the required formatting.

Figure 1: ST01 Host Adapter, 8K ROM Version

J2 SCSI Connector

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³ ³ ÚÄÄÅÄÝ

³ :::::::::::::::::::: ÀøÄÅÄÝ

³ Pin 1 ÄÙ ³ Ý

³ ³ Ý

³ ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ W1

³ ³ ³ Ý BIOS Address

W3 ³ EF ³ ³ Ý

Interrupt ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ øø ³ ÚÄÄÄÄÄÄÄÄÄÄÄÄ W2

³ øG AøøB Hø ÚÄÄÅÄÝ 0 WS

³ CøøD Iø ÀøÄÅÄÝ

ÀÄ¿ ³ Ý

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ÀÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÙ Ý

Figure 2: ST01 Host Adapter, 16K ROM Version

J2 SCSI Connector

ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ³ÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ Ýßßßß

³ Pin 1 Ä¿ ³ ÚÄÄÅÄÝ

ÚÄÄÄÙ :::::::::::::::::::: ÀøÄÅÄÝ

W5 ³ ÚPin 1 ³ Ý

LED ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ øøøø ³ Ý

³ ³ Ý

W3 ³ EFG ÚÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ W1

Interrupt ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ øøø ³ ³ Ý BIOS Address

³ ³ ³ Ý

³ ððÝð}ÄÄ Aux Drive ³ ÚÄÄÄÄÄÄÄÄÄÄÄÄ W2

³ J3 DC Power AøøC Hø ÚÄÄÅÄÝ 0 WS

³ BøøD Iø ÀøÄÅÄÝ

ÀÄ¿ ³ Ý

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ÀÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÙ Ý

* Auxiliary Drive Power Connector:

A 5-pin DC power connector is provided for systems that

lack DC power cables. It may also be used for

Drive-on-a-Card installations. Contact your dealer for

more information.

* LED Connector:

A 4-pin header is provided for the drive front bezel

LED connector used in IBM PC AT and compatible systems.

Pins 1 and 4 are logic ground. Pins 2 and 3 provide +5

VDC when the SCSI channel is active.

Figure 3: ST02 Host Adapter

J5 AT Diskette J2 SCSI Connector

/ÄÂÄ³ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄ³ÄÄÄÄÄÄÄÄÄÄÄÄÄ¿ Ýßßßß

J3 ÔÍµ 1ø Pin 1 Ä¿ ³ ÚÄÄÅÄÝ

XT Diskette Ä Íµ øø :::::::::::::::::::: ÀøÄÅÄÝ

ÆÍµ øø ÚPin 1 ³ Ý

ÆÍµ øø øøøøÄ J7 LED ³ Ý

ÆÍµ øø øP HI ³ Ý

ÆÍµ øø øQ ÄÄ JP6 Register øøÄÄÄÄÄÄ JP2

\ øø øR Emulation ³ Ý 0 WS

³ JP5 ÄÄ MNO ³ Ý

/ Disketteøøø EFG AøøCÄÄÄÄÄÄÄÄÄÄÄÄ JP1

³ Select øøø BøøD ÚÄÄÅÄÝ BIOS Address

JP3 ÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ ððÝð}ÄÄ Aux Drive ÀøÄÅÄÝ

Interrupt ÀÄ¿ J3 DC Power ³ Ý

ÀÄÄÄÄÄÄ¿ Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü Ü ÜÚÄÄÄÄÙ Ý

ÀÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÄßÙ Ý

* Auxiliary Drive Power Connector:

A 5-pin DC power connector is provided for systems that

lack DC power cables. It may also be used for

Drive-on-a-Card installations. Contact your dealer for

more information.

* LED Connector:

A 4-pin header is provided for the drive front bezel

LED connector used in IBM PC AT and compatible systems.

Pins 1 and 4 are logic ground. Pins 2 and 3 provide +5

VDC when the SCSI channel is active.

=-=-=-=---==--=-==-=--=-=--=-=-=-=--==-==-==-=--=-==-==-=-=-=-

Table 4: ST01 8K BIOS Memory Address (W1)

----------------------------------------------

| Configuration | Address |

----------------------------------------------

| No jumpers installed | CA00H (Default) |

----------------------------------------------

| Pins A-B Shorted | C800H |

----------------------------------------------

| Pins C-D Shorted | CE00H |

----------------------------------------------

|Pins A-B and C-D Shorted| DE00H |

----------------------------------------------

Note: The 8K BIOS version of the ST01 is easily recognized. It

doesn't have a notch in the upper left corner of the card.

Table 5: ST01/ST02, 16K BIOS Memory Address (JP1)

----------------------------------------------

| Configuration | Address |

----------------------------------------------

| No jumpers installed | C800H (Default) |

----------------------------------------------

| Pins A-B Shorted | Invalid |

----------------------------------------------

| Pins C-D Shorted | CC00H |

----------------------------------------------

|Pins A-B and C-D Shorted| DC00H |

----------------------------------------------

Table 6: Zero-Wait-State Enable, ST01 and ST02 (W2 or JP2)

----------------------------------------------

| Configuration | 0WS State |

----------------------------------------------

| No jumpers installed |0WSDisable(Default)|

----------------------------------------------

| Pins H-I Shorted | 0WS Enable |

----------------------------------------------

Table 7: Interrupt Enable, ST01 (W3) and ST02 (JP3)

----------------------------------------------

| Configuration | IRQ State |

----------------------------------------------

| |Interrupts Disabled|

| No jumpers installed | (Default) |

----------------------------------------------

| Pins E-F Shorted | IRQ3 Enable |

----------------------------------------------

| Pins F-G Shorted | IRQ5 Enable |

----------------------------------------------

Table 8: Diskette Drive Type Selection, ST02 Only (JP5)

---------------------------------------------------------

| Configuration | Diskette Type Selected |

---------------------------------------------------------

| Pins M-N Shorted | 360/720 KByte Only |

---------------------------------------------------------

| |360/720 KByte & 1.2/1.44 MByte|

| Pins N-O Shorted | (Default) |

---------------------------------------------------------

Table 9: Register 01F4h Emulation, ST02 Only (JP6)

---------------------------------------------------------

| Configuration | Diskette Type Selected |

----------------------------------------------------------

| | Enabled for PC XT 286 and |

| Pins Q-R Shorted | PC AT (Default) |

---------------------------------------------------------

| Pins P-Q Shorted | Disabled for PC XT |

---------------------------------------------------------

Refer to page 7 for additional information on Regsister 01F4h

emulation.

III. ST02 Diskette Drive Configuration

The ST02 has two 34-pin connectors for diskette drive support. J3

is provided as an edge-connector for use with PC and PC XT

compatible diskette drive cables. J5 is a 34-pin header for use

with PC AT compatible diskette drive cables. Contact your dealer

for cables.

1. PC Setup Jumpers: There are several jumpers located on the

diskette drive that must be correctly set to perform in the PC

environment. Each manufacturer may label these jumpers

differently. Refer to the diskette drive manual supplied with

your system to determine correct jumper position.

2. Diskette Drive Select Jumpers: This header has four positions.

They are labeled DS0-3 or DS1-4 depending on the drive vintage.

For PC applications only, DS1 (older drives) or DS2 (newer

drives) are used because the drive interconnecting cable has

lines switched to accommodate a common jumper setting.

3. Diskette Terminator Jumper: This jumper is used to activate

terminating resistors for 7 of the 11 drive interface input

lines. The lines are defined by drive type and manufacturer. In

PC applications Drive A has the terminating resistor jumper

active. Drive B has no terminating jumper.

IV. Notes Before Formatting the Drive

The installation process will "low-level" format new physical

blocks, create DOS-compatible partitions, root directories and

file allocation tables for the entire drive. The procedure is

identical for IBM XT and AT systems, except where indicated.

All Seagate Paired Program drives are shipped with a small DOS

partition containing INSTALLR.EXE, PARK.COM, and README.1ST (a

printable supplement to this installation guide). README.1ST

contains the latest information for the drive being installed. It

can be accessed by the DOS commands: TYPE, COPY, and PRINT.

* If your drive has less than 32 formatted MBytes, you

will need one DOS-bootable diskette that has the boot

files from the version of DOS that you plan to use on

your Seagate drive. This diskette should also contain

the FORMAT program provided with DOS, and sufficient

space (approximately 5 KBytes) to save the installation

programs from the hard drive. The diskette must not be

write-protected.

* If your drive has more than 32 formatted MBytes, you

will need two diskettes; one DOS-bootable with the

version of DOS you plan to use. The second diskette

must have at least 320 KBytes available to save the

installation and Disk Manager programs. The diskettes

must not be write-protected.

* Important Note for PC AT Installations:

If you are installing your drive in a PC AT or 100%

compatible, and a hard drive is not presently attached

or operational, the hard drive count in CMOS will

already be set to zero, or no hard drives installed.

If a standard hard drive is already attached and

operating, it will be the first drive and the Seagate

Paired Program Drive will be Drive 2. It is not

necessary to change the CMOS hard drive count when

installing Seagate Paired Program drives.

Note to Installers and/or second drive installations: DOS assigns

a logical identifier (C, D, E...) to each partition that it

recognizes during the boot load. It assigns these letters to the

first partition on each physical drive in sequential order.

Therefore, if you have a single drive with three partitions, they

will be assigned C, D, and E.

V. Installation: Drives Less Than 32 MBytes

IMPORTANT. This Section is for Paired Program installations only.

Read Section IV before formatting. The entire software

installation routine is menu-driven and takes from ten to thirty

minutes, depending on drive size. For specific DOS questions,

refer to the DOS manual supplied with your system.

After the format is completed, the read/write heads will be

parked. At the next power-up, the system will boot from the hard

disc.

Read/Write Head Park Program: A PARK program is pre-loaded on all

Paired Program drives. The ST225N requires use of this program to

park the heads before your drive/system is transported. All other

Seagate SCSI drives automatically park the heads at power-down.

For optimum performance, format the drive installed in your

system in the same orientation in which it will be used.

1. Software Installation: START HERE

Place a DOS-bootable diskette (to boot simply means to

start the system) in Drive A and switch the power on.

2. After the boot process is complete, begin the

installation by typing:

C:INSTALLR C

Press: Enter (Return)

If the drive and Host Adapter are correctly installed you will

see the following display:

Seagate Disc Formatting Utility, VX.X

If you are installing a second drive, type:

D:INSTALLR D ENTER

3. Your screen should look like this:

A>C:INSTALLR C

or, A>D:INSTALLR D

After pressing ENTER (Return), you will see a screen and follow

the screen prompts.

VI. Installation: Drives Greater Than 32 MBytes

IMPORTANT. This Section is for Paired Program installations only.

Read Section IV before formatting. The entire software

installation routine is menu-driven and takes from ten to thirty

minutes, depending on drive size. Help is available by pressing

the F1 key. For specific DOS questions, refer to the DOS manual

supplied with your system.

At the beginning of the installation, you will be instructed

(after the boot) to remove the DOS diskette and insert a blank

formatted diskette to make a backup copy of the Disk Manager

software.

After the format is completed, the read/write heads will be

parked. At the next power-up, the system will boot from the hard

disc.

For optimum performance, format the drive installed in your

system in the same orientation in which it will be used.

1. Software Installation: START HERE

Place a DOS-bootable diskette (to boot simply means to

start the system) in Drive A and switch the power on.

2. After the boot process is complete, begin the

installation by typing:

A>C:INSTALLR C ENTER

If the drive and Host Adapter are correctly installed

you will see the following display:

Seagate Disc Formatting Utility, VX.X

If you are installing a second drive, type:

A>D:INSTALLR D ENTER

3. Follow the screen prompts.

If you are installing a drive with Disk Manager software, and you

already have a hard disc in your system, you must copy the

DMDRVR.SYS and CONFIG.SYS files from the Disk Manager diskette to

the existing (first, or boot) drive.

If you already have a CONFIG.SYS file on the boot drive, update

the file to include the following line:

DEVICE=DMDRVR.BIN

Refer to your DOS manual for instructions on editing the

CONFIG.SYS file.

VII. Troubleshooting Your Installation

If you have a problem getting the initial screen, or later

getting the system to boot:

* Check the cabling between the Host Adapter and drive.

Pin-1 on the Adapter always corresponds to Pin-1 at the

drive connector. Most cables have a contrasting color

on the cable to indicate Pin-1.

* Check the power cable to the drive. Can you hear it

spinning up?

* Verify correct hard drive SCSI ID selection.

* Verify correct BIOS address for the Host Adapter. See

Tables 4-5. If you have more than one board that uses

BIOS ROM space, each must be configured to a different

memory address. Addressing multiple boards at the same

memory location can cause problems of a seemingly

indeterminate nature.

* If you experience problems accessing your DOS partition

after installation, refer to the .REF files provided

with the Disk Manager software (drives over 32

formatted MBytes).

For system or DOS help, contact your computer system

manufacturer.

For additional installation help, contact your authorized Seagate

Distributor/Dealer.

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