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Hard Drive: SEAGATE: ST31640A MEDALI.1640 1625MB 3.5"/SL ATA2 FAST




S T 3 1 6 4 0 A   M E D A L I . 1 6 4 0    SEAGATE
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders    4834| 3150|  787|
Capacity form/unform  1625/      MB        Heads           6|   16|   64|
Seek time   / track  10.5/ 2.0 ms          Sector/track     |   63|   63|
Controller           IDE / ATA2 FAST/ENHA  Precompensation
Cache/Buffer           256 KB MULTI-SEGMEN Landing Zone
Data transfer rate    6.000 MB/S int       Bytes/Sector      512
                     16.600 MB/S ext PIO4
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 55    |    -40 70
Power: sleep              W     Humidity     %         8 80    |      5 95
       standby        0.8 W     Altitude    km    -0.300  3.000| -0.300 12.192
       idle           4.7 W     Shock        g         2       |     75
       seek           8.4 W     Rotation   RPM      5400
       read/write     6.0 W     Acoustic   dBA
       spin-up            W     ECC        Bit   144BIT REED SOLOMON
                                MTBF         h     500000
                                Warranty Month
Lift/Lock/Park     YES          Certificates     CSA,EEC,EN60950,FCC,TUV,UL...

Layout

SEAGATE ST31640/32140A MEDALIST PRODUCT MANUAL 36314-101 REV.A 10/95

  +---------------------------------------------------------+
  +-1                                                       |
  | |Option Block                                           |
  | |                                                       |XXI
  +-+                                                       |XXN
  |                                                         |XXT
  |                                                         |XXE
  |                                                         |XXR
  |                                                         |XXF
  |                                                         |XXA
  |                                                         |XXC
  |                                                         |XXE
  |                                                         |XX
  |                                                         |XX
  |                                                         |
  |                                                         |XXPOWER
  |                                                         |XX
  +---------------------------------------------------------+

Jumpers

SEAGATE ST32140/31640A MEDIALIST PRODUCT MANUAL 36314-101 REV.A 10/95

Jumper Setting
==============

 Rear View
 ---------
                                      +----- GND
               J1                     |+---- GND
           +--------- ----------+  +--++--+         TOP (HDA)
    -------+:::::::::::::::::::1+--+ OOOO +---
           +--------------------+  +-5--12+         BOTTOM

Pin 20 REMOVED
J1 40 pin I/O Cable Connection

Front View
----------

      +------------ Slave drive ON (OFF for Master)
      | +---------- Slave Present (used on Master)
 (TOP)| +-+-------- Master/Slave timing protocol causes Master drive
      | | |         to wait up to 31 seconds for slave to respond.
      | | |         Must be used with pins 3-4.
      o o o o o o12
     -o o o o o o--------------------PWA----------
      1     | | |
            | | +-- Remote LED (11-, 12+)
            | +---- Cable Select
 (BOTTOM)   +------ RESERVED!

A spare shunt is attached to pin 2 and 4. This pin combination does
not affect any drive function. If you need additional shunts, use
Seagate part number 10562-001 or an equivalent.

    +---4-------12+
 ---+ * * * * * * +---  One drive only
    | * * * * * * |
    +-1-----7-----+

    +---4-------12+
 ---+ X * * * * * +--- Drive is slave
    | X * * * * * |
    +-1-----7-----+

    +---4-------12+
 ---+ * X * * * * +--- Drive is master; slave is present
    | * X * * * * |
    +-1-----7-----+

    +---4-------12+
 ---+ * * X * * * +--- ATA MS
    | * * X * * * |
    +-1-----7-----+

    +---4-------12+
 ---+ * * * * X * +--- Cable Select
    | * * * * X * |
    +-1-----7-----+

    +---4-------12+
 ---+ * * * * * X +--- Remote LED connection pin 11(-), pin 12(+)
    | * * * * * X |
    +-1-----7-----+

    +---4-------12+
 ---+ xxx * * * * +---  Spares
    | * * * * * * |
    +-1-----7-----+

Master/Slave configuration
--------------------------
Pins 1 and 2 and pins 3 and 4 on the options jumper block are used
to configure the drive as the slave or as master with a slave
present.

One drive only
The drive is configured at the factory for single-drive operation.
No shunts aree placed on pins 1 and 2 or pins 3 and 4. The spare
shunt on pins 2 and 4 does not affect drive operation.

Drive as slave
Place a shunt on pins 1 and 2.

Drive as master with a slave present
Place a shunt on pins 3 and 4.

ATA master/slave compatibility
------------------------------
You can extend the length of time the Seagate drive as master waits
for the slave to responds before it reports the status of both drives
to the host during a boot cycle. When a shunt is placed on pins 5 and
6, the Seagate drive waits 30 seconds for the slave to signal that it
is ready to give status. The default setting allows the slave five
seconds to respond.

 Remote LED connection
 ---------------------
 Pins 11(-) and 12(+) on the options jumper block are used to connect
 the drive to a remote LED. The LED is polarized and can be damaged
 if connected incorrectly.

It may be necessary to replace the current connector on the LED cable
to fit the options jumper block. Use Seagate part number 13211-001 or
an equivalent for the replacement connector.

Cable-Select Option
-------------------
Computers that use the cable-select method for determining the master
and slave drive do so by selecting or deselecting pin 28, CSEL, on
the interface bus. The master and slave drives are determined by
their physical position on the bus:

 - The drive is plugged into the I/O connector that carries the CSEL
   signal is the master.

 - The drive plugged into the I/O connector that does not carry the
   CSEL signal is the slave.

To configure the drives for computers that use cable select:

- Install shunts on pins 9 and 10.

Install

SEAGATE ST31640A/32140A PRODUCT MANUAL 36314-101 REV. A 10/95

Power consumption
-----------------
The drives supports Active, Idle, Standby and Sleep power-management
modes.

Active mode
-----------
During the Active mode, the drive is involved in spinup, seeking or
read/write activities.

Spinup.
Spinup mode is entered from the Standby mode. The drive brings the
spindle and discs up to operating speed. Power in this mode is
measured from power-on to the time the drive is ready for normal
operation.

Seeking.
Seek mode is entered from Idle mode. The read/write heads are moved
to a specific location on the disc surface in preparation for reading
from or writing to the disc.

Typical power is defined as the power average of executing random
seeks with a 2-revolution (22.2 msec) dwell between Seek commands.
Read/write. Read/write power and current are measured with the
heads on track. The test cycle consists of writing 16 sectors
followed by a 22.2 msec delay and reading 16 sectors followed by a
22.2 msec delay.

Idle mode
---------
The motor is up to speed, the servo electronics are inactive and the
heads are in the landing zone. A time delay is encountered when
executing a command requiring disc access.

The drive enters Idle mode when the host issues an Idle, Idle
Immediate or Idle and Set Idle Timer command. The Idle timer is a
Seagate-unique command, and is disabled by the factory.

Standby mode
------------
Standby mode is entered from the Idle mode. The drive is fully
operational through the interface and accepts commands, but a latency
will occur if any command received requires disc access or actuator
movement. In Standby mode, the spindle is stopped, the heads are
parked in the landing zone, the actuator is latched and some of the
drive electronics are powered down.

Sleep mode
----------
The spindle is stopped, the heads are parked in the landing zone, the
actuator is latched and the interface and some of the drive
electronics are powered down. The drive exits sleep mode when the
computer issues a hard or soft reset. The drive returns to Standby
mode when the computer issues a soft reset.

Shock and vibration
-------------------
Shock and vibration may be applied in the X, Y or Z axis. Episodes
are not repeated more than twice per second.

The shock and vibration limits specified in this document are
measured directly on the chassis. If the drive is installed in an
enclosure to which the shock or vibration is applied, the resonances
within the enclosure may not subject the drive to movement that
exceeds the specification limits. The enclosure must be modified to
ensure the drive movement complies with the specification.

Handling and static-discharge precautions
-----------------------------------------
After you unpack the drive, and before you install it in a system, be
careful not to damage it through mishandling or static discharge.
Wool and synthetic clothing, carpet, plastic and styrofoam are
contributors to static charge buildup. This charge is released when
you touch another conductor and can damage sensitive components in
the drive. Observe the following standard handling and static-
discharge precautions:

Caution:
Keep the drive in its static-shielded bag until you are ready to
complete the installation. Do not attach any cables to the drive
while it is in its static-shielded bag.

Before handling the drive, put on a grounded wrist strap, or ground
yourself frequently by touching the metal chassis of a computer that
is plugged into a grounded outlet. Wear a grounded wrist strap
throughout the entire installation procedure.

Handle the drive by its edges or frame only.

The drive is extremely fragile handle it with care. Do not press
down on the drive top cover.

Always rest the drive on a padded, antistatic surface until you
mount it in the computer.

Do not touch the connector pins or the printed circuit board.

Do not remove the factory-installed labels from the drive or cover
them with additional labels. Removal voids the warranty. Some
factory-in-stalled labels contain information needed to service the
drive. Others are used to seal out dirt and contamination.

I/O connector
-------------
The drive uses a 40-pin, male I/O connector with two rows of twenty
pins each. The even-numbered pins are closest to the printed circuit
boards edge. Pin 1 is near the 4-pin power connector. Pin 20 is
removed for keying purposes.

We recommend the following part numbers or their equivalents for the
mating connector.

Part Description 3M part number
Connector 40-pin 3M-3417-7000
Connector 40-pin 3M-3448-2040
Flat cable AWG28 (stranded) 3M-3365-40

To ensure the integrity of your data, use a 40-connector, nonshielded
I/O cable with a maximum length of 18 inches (0.46 meters).

Mounting the drive
------------------
Mount the drive securely in the computer using either the bottom or
side mounting holes as described below. Position the drive so that
you do not strain or crimp the cables.

Bottom mounting holes. Insert 6-32 UNC-2A mounting screws in the four
available bottom mounting holes. Do not insert the screws more than
0.20 inches (6 turns) into the drive frame.

Side mounting holes. Insert 6-32 UNC-2A mounting screws in any two of
the side mounting holes on each side of the drive. Do not insert the
screws more than 0.20 inches (6 turns) into the drive frame.

Caution. To avoid damaging the drive:
Use mounting screws of the correct size and length.
Gently tighten the mounting screws do not apply more than 6
inch-pounds of torque.

Features

SEAGATE ST31640A/32140A PRODUCT MANUAL 36314-101 REV. A 10/95

Introduction
------------
This manual describes the functional, mechanical and interface
specifications for the Medalist 1640 and 2140 hard disc drives. The
drives are referred to throughout this manual by their model numbers,
ST31640A for the Medalist 1640 and ST32140A for the Medalist 2140.

The Seagate ST31640A and ST32140A are high-capacity, Fast ATA-2
performance drives. The drives features include: 3 and 4
data-surfaces respectively, 5,376RPM spindle speed, embedded servo
technology, a 16-bit internal microprocessor and an intelligent
controller.

These features and others combine to give you high-performance,
high-capacity and energy-efficient drives. Fast ATA-2 offers you the
twin-performance advantage of larger data-volume transferred
at higher speeds. Fast ATA-2 assures you that PIO mode 4 and
multiword DMA mode 2 for burst transfer rates of up to 16.6 Mbytes
per second. (The drives support all PIO and all multiword DMA
transfer modes. The transfer rate for any given operation depends
upon capability of the entire system.) Fast ATA-2 also means that
Multiple block read/write is supported. This feature allows multiple
blocks of data to be stored in cache and transferred in a single
burst.

These features make the drives responsive to the demands of
high-performance Pen-tium and PowerPC-class microprocessors and VL
and PCI Local Bus architectures.

These 5,400RPM class drives use embedded servo technology to ensure
quick and accurate access to information on the drive without thermal
recalibration interruptions. They use a 16-bit internal microproc-
essor that is more responsive to 32-bit operating systems and an
intelligent controller that provides data streaming direct data
transfers between the host and the drive without microprocessor
intervention. These features increase the sustained data-transfer
rate, facilitating video playback and other multimedia operations.
Coupled with the 1.62-Gbytes and 2.11-Gbyte capacities, the drives
have more than enough capacity to download and play back a complete
CD-ROM.

The ST31640A and ST32140A are energy-efficient drives. They feature
the power modes defined in the ATA-2 standard. Standby and Sleep
modes reduce power consumption to a low 0.755 watts (typical). The
drives enter power-saving modes at the request of the computer and
can be programmed to automatically enter Idle or Standby modes.

Formatted capacity
------------------
Medalist drives are low-level formatted at the factory. You cannot
low-level format them.

You can operate the drive using many different address
configurations, provided the number of sectors per track does not
exceed 63.

Seek time is the interval between the time the actuator begins to
move and the time the head is over the target track. Seek time is a
true statistical average of at least 10,000 measurements of seek
time. All measure-ments for maximum values are taken under nominal
conditions of temperature and voltage with the drive mounted
horizontally.

Track-to-track seek time is the average of all possible single-track
seeks in both directions.

Average seek time is measured by executing seeks in both directions
between random cylinders.

Full-stroke seek time is half the time needed to seek from track 0
to the maximum track and back to track 0.

Note.Host overhead varies between systems and cannot be specified.
Drive internal overhead is measured by issuing a no-motion seek.
Overhead is typically less than 1.0 msec.

Start and stop times
--------------------
The drive is ready within 8 seconds after the power is applied. The
drive spindle stops rotating within 7 seconds typical after the power
is removed.

ATA interface
-------------
The drives use an ATA-2 interface. The interface is in compliance
with ANSI ATA (AT Attachment) Interface X3T9.2/143 Rev. 4.0; SFF
8011: ATA Timing Extension for Local Bus Attachments, Rev. 2.0 and
SFF 8019: Identify Drive Data for Drives Under 8 GB.

General

SEAGATE SUPPORT SERVICES

Seagate Technology
------------------
Technical Support Services
If you need assistance installing your drive, consult your dealer.
Dealers are familiar with their unique system configurations and can
help you with system conflicts and other technical issues. If you
need additional assistance with your Seagate(r) drive or other
Seagate products, use one of the Seagate technical support services
listed below.

SeaFONE at 1-800-SEAGATE (1-800-732-4283)
Seagate's 800 number allows toll-free access to automated self-help
services, providing answers to commonly asked questions,
troubleshooting tips and specifications for disc drives and tape
drives. This service is available 24 hours daily and requires a
touch-tone phone. If you need to speak to a technical support
engineer, dial this number and listen to the options for technical
support. (International callers can also reach this automated
self-help service by dialing 408-456-4496).

Seagate Technology online services
Using a modem, you can obtain troubleshooting tips, free utility
programs, drive specifications and jumper settings for Seagate's
entire product line. You can also download software for installing
and analyzing your drive.

SeaNET
You can obtain technical information on Seagate drives, Seagate
software and much more over the Internet from Seagate's World Wide
Web home page (http://www.seagate.com) or Seagate's ftp server
(ftp://ftp.seagate.com).

You may also send E-mail with your questions to DiscSupport@
Seagate.com or TapeSupport@Seagate.com.

SeaBOARD
SeaBOARD is a computer bulletin board system (BBS) that contains
information about Seagate's disc and tape drive products and is
available 24 hours daily. Set your communications software to eight
data bits, no parity and one stop bit (8-N-1). SeaBOARD phone numbers
are listed in the following table.

BBS Location Modem number
United States Disc: 408-434-1080; Tape: 408-456-4415
England 44-1628-478011
France 33 1-48 25 35 95
Germany 49-89-140-9331
Singapore 65-292-6973
Thailand 662-531-8111
Australia 61-2-9756-2359
Taiwan 886-2-719-6075

Seagate CompuServe forum
Online technical support for Seagate products is available on
CompuServe. To access our technical support forum, type go seagate.
This forum provides information similar to that found on SeaBOARD.
In addition, you can type questions or browse through previous
questions and answers on the forum messages.

Seagate Technology FAX services
SeaFAX
You can use a touch-tone telephone to access Seagate's automated FAX
system to receive technical support information by return FAX. This
service is available 24 hours daily.
Location Telephone number
United States 1-800-SEAGATE or 408-456-4496
England 44-1628-894084
Australia 61-2-9756-5170

Seagate technical support FAX
You can FAX questions or comments to technical support specialists 24
hours daily. Responses are sent during business hours.
Location FAX number
United States 408-944-9120
England 44-1628-890660
France 33 1-46 04 42 50
Germany 49-89-1430-5100
Australia 61-2-9725-4052
Singapore 65-293-4722
Hong Kong 852-2368 7173
Taiwan 886-2-715-2923
Korea 82-2-556-7294/4251

Seagate technical support
You can talk to a technical support specialist during business hours
Monday through Friday for one-on-one technical help. Before calling,
note your system configuration and drive model number (STxxxx). There
are several technical support phone numbers available for various
Seagate products.

 Location          Telephone  number
 United States Please dial 1-800-SEAGATE for the specific product
               telephone number.
               (6:00 A.M. to 11:15 A.M., 12:30 P.M. to 5:00 P.M.,
               Pacific time, M-F)
 England       44-1628-894083 (10:00 A.M. to 1:00 P.M., 2:00 P.M. to
               5:00 P.M., M-F)
 France        33 1-41 86 10 86 (9:30 A.M. to 12:30 P.M., 2:00
               P.M. to 5:00 P.M., M-F)
 Germany       Disc: 49-89-140-9332; (9:30 A.M. to 12:30 P.M., 2:00
               P.M. to 4:00 P.M., M-F)
               Tape: 49-89-140-9333
 Australia     61-2-9725-3366 (9:00 A.M. to 5:00 P.M., M-F)
 Singapore     65-290-3998 (9:00 A.M. to 12:00 P.M., 2:00
               P.M. to 5:00 P.M., M-F)
 Hong Kong     852-2368 9918
 Taiwan        886-2-514-2237
 Korea         82-2-556-8241

SeaTDD 408-944-9121
Using a telecommunications device for the deaf (TDD), you can send
questions or comments 24 hours daily and exchange messages with a
technical support specialist between 6:00 A.M. to 11:15 A.M. and
12:30 P.M. to 5:00 P.M. (Pacific time) Monday through Friday.

Customer Service Centers
Seagate direct OEM, Distribution, System Integrator and Retail
customers should contact your Seagate Service Representative for
warranty information. Other customers contact your place of
purchase. Seagate offers comprehensive customer support for all
Seagate drives. Seagate customer service centers are the only
facilities authorized to service Seagate drives. These services are
available worldwide.

Location Telephone number FAX number
United States 1-800-468-3472; 405-949-6740
Other Americas
(Canada & Brazil) 405-949-6706; 405-949-6738
Mexico 525-546-6965; 525-546-4888
Europe, Middle
East & Africa 31-2065-43300; 31-2065-34320
Asia Pacific &
Australia 65-485-3595; 65-485-4980
Japan 81-3-5462-2904; 81-3-3462-2979

Seagate, Seagate Technology and the Seagate logo are registered
trademarks of Seagate Technology, Inc. SeaFAX, SeaFONE, SeaBOARD,
SeaTDD, SeaNET, Medalist and DiscWizard are either trademarks or
registered trademarks of Seagate Technology, Inc. or one of its
subsidiaries. All other trademarks or registered trademarks are the
property of their respective owners.













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