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Latest revision as of 11:11, 21 April 2021
Installation guide shiped with ST11M and ST11R 8-bit hard disk controllers (found at Seagate's FTP site).
Installation Guide
ST11M, ST11R
-------------------------------------------------
ST412 Interface Controller
-------------------------------------------------
Installation Guide
=================================================
__________________________________________Seagate
�
Copyright Notice:
Seagate, Seagate Technology and the Seagate logo are registered
trademarks of Seagate Technology, Inc. INSTALLR(tm) is a
trademark of Seagate Technology, Inc.
@Copyright 1990 Seagate Technology, Inc.
920 Disc Drive, Scotts Valley, California 95066-4544, USA
Telephone: 408/438-6550
Publication Number: 36095-001, 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.
No part of this publication may be copied without written
permission of Seagate Technology, Inc.
PC AT and PC-DOS are registered trademarks of International
Business Machines Corporation. XT is a trademark of International
Business Machines Corporation.
Disk Manager is a registered trademark of Ontrack Computer
Systems, Inc.
MS-DOS is a registered trademark of Microsoft Corporation.
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1
Introduction:
This installation guide supports the Seagate ST11M MFM and ST11R
RLL Controllers, ROM Version 2.0 or higher.
The ST11M and ST11R are 8-bit ST412 interface controllers
designed for use in PC XT AT systems with DOS-based applications.
Use with other than DOS-based systems is beyond the scope of this
guide. Contact your Distributor/Dealer.
* The ST11M is designed for use with drives employing MFM data
encoding.
* The ST11R is designed for drives using RLL (2,7) data
encoding. Seagate RLL drives are easily recognized by an "R"
after the model number, e.g., ST157R. Seagate Technology, Inc.
assumes no liability for installation of an RLL controller
with an MFM-certified drive.
* The ST11M/ST11R have a unique recording format and therefore
require all attached drives to be installed by one of the
processes described in this guide before operation.
This publication may be used with Seagate Paired Program drives
or as a controller-only installation guide.
Paired Program drives are shipped with a Seagate controller. They
are recognized by a "PR" label on the drive top cover. Paired
drives are shipped formatted with a small DOS partition
containing the installation program, INSTALLR, which will low-
level format and partition your drive. You must supply the DOS
program. The ST11M/ST11R can recognize whether a drive has the
Paired Program software loaded, or has been previously installed.
Paired Program drives with formatted capacities greater than 32
MBytes have Disk Manager partitioning software loaded. This
utility has been customized by Ontrack for Seagate. Refer to
Section 2.1 for special instructions on formatting Paired Program
drives.
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2
Before You Begin...
Inspect the controller, drive, cables, mounting
hardware/accessories, documentation and packaging. If any item is
incorrect, missing or appears damaged, contact your Distributor
or Dealer immediately.
Handling: Improper handling during transit/shipping accounts for
many "installation" problems. Prior to installation, handle your
drive/controller carefully.
Observe Static-Discharge Precautions: Keep the drive/controller
in their static-shielded bags 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 must be used. Keep your original box.
They are easily identified by a red label identifying them as a
"Seagate Approved Package."
Shipping a drive in a non-approved container will void the drive
warranty.
Repair centers may refuse receipt of components improperly
packaged or obviously damaged in transit. Contact your
Distributor to purchase additional boxes. Seagate recommends
shipping by an air-ride carrier experienced in handling computer
equipment.
Maintenance: Seagate disc drives do not require any preventative
maintenance. The head/disk assembly is sealed and does not
contain any user-serviceable components. Tampering with the
factory-seal will void the warranty.
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3
1.0 ST11M/ST11R Controller Installation
Caution: Do not handle a drive or controller 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/controller until you are ready to
complete the installation.
BEFORE ATTEMPTING ANY INSTALLATION, READ THROUGH ALL STEPS AND
VERIFY THAT THE SYSTEM IS POWERED-DOWN.
During the formatting process, you will be asked to enter some
simple drive specifications. Please refer to Figures 1-2 for
formatted capacity and basic specifications. For non-Seagate
drives, refer to the manufacturer's instructions.
Figure 1: Seagate MFM Drive Setup - ST11M
=============================================================
| Model | Formatted | R/W | Data | Sectors | Auto- |
| | MBytes | Heads | Cylinders | per Track | Park |
=============================================================
| ST124 | 21.4 | 4 | 615 | 17 | No |
-------------------------------------------------------------
| ST125 | 21.4 | 4 | 615 | 17 | Yes |
-------------------------------------------------------------
| ST138 | 32.1 | 6 | 615 | 17 | Yes |
-------------------------------------------------------------
| ST151 | 42.5 | 5 | 977 | 17 | Yes |
-------------------------------------------------------------
| ST225 | 21.4 | 4 | 615 | 17 | No |
-------------------------------------------------------------
| ST251 | 42.8 | 6 | 820 | 17 | Yes |
-------------------------------------------------------------
| ST252 | 42.8 | 6 | 820 | 17 | Yes |
-------------------------------------------------------------
|ST4053 | 44.5 | 5 | 1024 | 17 | Yes |
-------------------------------------------------------------
|ST4096 | 80.2 | 9 | 1024 | 17 | Yes |
-------------------------------------------------------------
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4
Figure 2: Seagate RLL Drive Setup - ST11R
=============================================================
| Model | Formatted | R/W | Data | Sectors | Auto- |
| | MBytes | Heads | Cylinders | per Track | Park |
=============================================================
| ST137R| 32.7 | 4 | 615 | 26 | No |
-------------------------------------------------------------
| ST138R| 32.7 | 4 | 615 | 26 | Yes |
-------------------------------------------------------------
| ST157R| 49.1 | 6 | 615 | 26 | Yes |
-------------------------------------------------------------
| ST225R| 21.2 | 2 | 667 | 31 | No |
-------------------------------------------------------------
| ST238R| 32.7 | 4 | 615 | 26 | No |
-------------------------------------------------------------
| ST250R| 42.9 | 4 | 667 | 31 | No |
-------------------------------------------------------------
| ST277R| 65.5 | 6 | 820 | 26 | Yes |
-------------------------------------------------------------
| ST278R| 65.5 | 6 | 820 | 26 | Yes |
-------------------------------------------------------------
|ST4144R| 122.7 | 9 | 1024 | 26 | Yes |
-------------------------------------------------------------
Data Cylinders: User cylinders are calculated from logical zero,
i.e., 0 to 614 equals 615 cylinders.
Write Precompensation (ST225 Only): For optimum performance,
precompensation is recommended starting on cylinder 300. Enter
the information, when prompted.
Interleave: Use optimum interleave as indicated in installation
routine.
Read/Write Head Parking: A PARK program is preloaded on all
Paired Program drives, PARK.EXE or PARK.COM, which the INSTALLR
software will copy to a diskette during installation. The
following drives require parking before the drive/system is
transported: ST124, ST137R, ST225, ST225R, ST238R, ST250R. All
other Seagate drives feature automatic R/W head parking at power-
down.
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5
1.1 Set the Controller BIOS Address
Controllers and add-in boards are installed in the bus slots on
the computer's motherboard. These slots are recognized by the
computer BIOS address number. Each board installed must be
jumpered for a specific address.
C8000H is the default BIOS address for the ST11M/ST11R. If this
address is already occupied by another board, use the jumpers
provided to change the Seagate controller to another address.
Refer to Figure 3.
When installing an ST11M/ST11R controller with a Seagate
ST01/ST02 SCSI Host Adapter, the controller must be at the lowest
address (C8000H).
When installing the ST11M/ST11R in a system already containing a
hard disc controller, the Seagate controller must be jumpered at
a higher BIOS address than the resident controller. If you are
not sure of the other controller's address, try one of the higher
addresses for the Seagate controller.
Controller physical installation will only involve setting the
BIOS address (Figure 3), attaching the cables and inserting the
controller in a system bus slot. It is often easier to attach the
cables before you install the controller.
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6
Figure 3: ST11M/ST11R ST412 Interface Controller
J2-Drive 1 J3-Drive 2 ┌ J1
┌──────│──────│───────────│────────────┐ ¦▀▀▀▀
│ │ │ │ ┌──┼─¦
┌───┘ :::::::::: │ ::::::::::::::::: └°─┼─¦
│ ┌──┘ │ └ Pin 1 │ ¦
Pin 1 ─────┤ ::::::::::─┘ │ ¦
│ └──┘ │ ¦
│ ┌────────────────── W1
│ B°°D │ ¦ BIOS Address
│ A°°C │ ¦ Selection
│ │ ¦
│ ┌──┼─¦
│ °°¦°}── Aux Drive └°─┼─¦
└─┐ J5 DC Power │ ¦
└──────┐ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄ ▄┌────┘ ¦
└─▀─▀─▀─▀─▀─▀─▀─▀─▀─▀─▀─▀─▀─▀┘ ¦
¦
===============================================================
| Jumper Setting at W1 | BIOS Address | Port Address |
===============================================================
| No Jumpers Installed | C8000H (Default) | 320H - 323H |
----------------------------------------------------------------
| Pins A-B Shorted | D0000H | 324H - 327H |
----------------------------------------------------------------
| Pins C-D Shorted | D8000H | 328H - 32BH |
----------------------------------------------------------------
| Pins A-B and C-D |E0000H (Do not use on| 32CH - 32FH |
| Shorted | an AT-class system) | |
----------------------------------------------------------------
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7
1.2 Controller Physical Installation
CAUTION: VERIFY THAT THE POWER IS OFF.
1. Remove the System Cover (Refer to your system manual).
Access to the screws is usually at the back of the system.
Save the screws. Systems vary, but most require you to slide
the cover forward for removal.
2. Install the Controller into a System Bus Slot.
Verify that all connections are correct and replace the system
cover.
3. Optional Drive Power Connector on the ST11M/ST11R.
Normally, drive power is supplied via a power harness from the
system power supply directly to the drive's J3 DC power
connector. The J5 connector on the ST11M/ST11R can be used to
provide disc drive power in system lacking an extra power
harness or for "Drive-on-a-Card" applications. See connector
J5, Figure 3.
A cable splitter, often called a Y-cable may be used to tap
off the diskette drive power cable. They are available from
most Distributors/Dealers.
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9
2.0 Preparing to Format Your Drive
Please read this section before proceeding to the formatting
instructions. Be sure to back up any drive containing data.
Formatting at any level may result in partial or complete loss of
data. Seagate Technology, Inc. assumes no liability for lost
data.
* Always use the same version of DOS throughout the entire
process. On two-drive systems: Always use the same version of
DOS on both drives. When adding a second drive, it is
sometimes necessary to reformat the first drive.
* 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 (e.g., C to Drive 1, D to Drive 2).
Subsequent letters are assigned to the remaining partitions on
Drive 1, followed by Drive 2. See table below for typical
examples:
=======================================
Partition | Drive 1 | Drive 2
=======================================
1 C D
2 E H
3 F I
4 G J
* For optimum performance, format the drive installed in your
system in the same orientation in which it will be used.
2.1 Paired Program Drive Formatting
Paired Program drives are shipped with a small DOS partition
containing Installation software and a README file which has the
latest information for the drive being installed. See Section
3.0.
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10
2.2 Non-Paired Drive Formatting
Seagate non-paired drive do not have installation software or
recognizable format. These drives may be installed by following
the procedures in Section 4.0.
2.3 Paired Drives with 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 sue on your Seagate
drive. This diskette should also contain the FORMAT program
provided with DOS, and sufficient space (approximately 50 KBytes)
to save the installation programs from eh hard drive. The
diskette must not be write-protected.
2.4 Paired Drive with Greater 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 360
KBytes available to save the installation and Disk Manager
programs. The diskettes must not be write-protected.
2.5 CMOS Configuration
If you are installing your drive in a PC AT and a hard drive is
not presently attached or operational, the hard drive count in
CMOS will already be set to zero.
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 with ST11M/ST11R controllers.
2.6 Read/Write Head Parking
A PARK program is preloaded on all Paired Program drives. The
following drives require this program before the drive/system is
transported: ST124, ST137R, ST225, ST225R, ST238R, ST250R. All
other Seagate drives feature automatic head parking at power-
down.
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11
3.0 Paired Program Installations
Read Sections 1-2 before beginning any 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.
3.1 Paired Program Formatting
Place a DOS-bootable diskette (to boot simply means to start the
system) in Drive A and switch the power on a follow the
instructions displayed on the screen. If you are installing a
second drive, type:
D:INSTALLR D
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.BIN 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. Disk Manager also provides help files which you
may print using the standard DOS print commands.
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12
4.0 Non-Paired Drive Formatting
Use this procedure for non-paired drives or when reformatting a
paired drive whose installation software files were lost or not
copied before formatting.
Be sure to back up any drive containing data. Formatting at any
level may result in partial or complete loss of data. Seagate
Technology, Inc. assumes no liability for lost data.
If you use the DOS DEBUG utility to low-level/primary format the
drive, you must answer "YES" to the question, "Do you want to
enter the defect map which is supplied on your hard disc drive
cover?". Proceed with entering all defects from the defect map.
Important Note: If you use the ST11M/ST11R controller, BIOS
Version 2.0, with a Seagate Paired Program drive, but do not use
the Seagate installation software (INSTALLR), you must manually
enter the Manufacturer's Defect Map (attached to the drive top
cover) during the low-level/primary formatting operation.
Always use the same version of DOS throughout the entire process.
On two-drive systems: Always use the same version of DOS on both
drives. When adding a second drive, it is sometimes necessary to
reformat the first drive.
4.1 Low-level Physical Format Using BIOS Facility
When using DEBUG to format in an AT system, the CMOS or system
setup should be set to 0 (i.e., no hard drive installed).
1. Boot the system from the DOS system diskette.
2. At the A> prompt, insert the DEBUG diskette and type:
DEBUG <enter>
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13
3. To access the controller's format routine, at the "-" prompt
type:
G=XXXX:5 <enter> (Where XXXX is the correct address; refer to
Figure 3.)
Note: Seagate controllers will step you through the process.
Refer to the drive charts Figures 1-2 for correct drive
parameters.
On drives over 32 formatted MBytes, Disk Manager will
automatically partition and high-level format the drive.
Use FDISK and FORMAT on your DOS diskette for drives less than
32 formatted MBytes.
5.0 Troubleshooting Your Installation
If you have a problem getting the initial screen, or later
getting the system to boot:
* Check the cabling between the controller and drive. Pin-1 on
the controller 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 heard the drive
spinning up?
* Verify correct Drive Select jumper.
* Verify correct BIOS address for the controller. 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.
* Low-level formatting takes too long or never completes
Format again. Make sure correct drive parameters were entered
and cable connections are correct.
* FDISK or Partitioning Error Messages: "Error reading fixed
disc," or "No fixed disc present"
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14
Check correct drive parameters entered. Turn the system off
and power-up again. Rerun FDISK.
* High-level Format Error Message: "Invalid drive specification"
Run FDISK again to make sure the DOS partition is active.
Check drive parameters and low-level format again.
In AT systems, check that no drive type is entered in the
system CMOS setup for the drive attached to the ST11M/ST11R.
* Drive fails recal or test drive ready
Check installation, cables, and drive select jumper.
* I/O Errors when using Disk Manager:
"Uncorrectable ECC - I/O Error"
"Unrecoverable I/O Error"
If you are formatting a drive in an XT or using the
ST11M/ST11R controller in an AT, low-level format the drive
through DEBUG using the controller's BIOS routine.
* After formatting with Disk Manager, your system does not
recognize the D, E, F... partitions:
First, make sure that you boot from the hard drive. If you
still cannot access these partitions, check that the Disk
Manager device driver, DMDRVR.BIN is in the root director of
the C: (boot) drive. Verify that the CONFIG.SYS file contains
the following line:
DEVICE=DMDRVR.BIN
If you experience problems accessing your DOS partition after
installation, refer to the help files provided with Disk Manager.
For system or DOS help, contact your computer system
manufacturer. For additional installation help, contact your
authorized Seagate Distributor/Dealer.�
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