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st11m-r.txt
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1990-12-20
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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.
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.
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.
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 |
-------------------------------------------------------------
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 |
-----------------------------------------