Hard Drive: SYQUEST: SQ3270S 256MB 3.5"/HH SCSI1 SE

S Q 3 2 7 0 S    SYQUEST
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/HH               Cylinders        |     |     |
Capacity form/unform   256/      MB        Heads            |     |     |
Seek time   / track  14.5/ 3.0 ms          Sector/track     |     |     |
Controller           SCSI1 SINGLE-ENDED    Precompensation
Cache/Buffer           128 KB              Landing Zone
Data transfer rate    1.950 MB/S int       Bytes/Sector      512
                            MB/S ext
Recording method                                    operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         4 55    |    -40 70
Power: sleep              W     Humidity     %         8 90    |
       standby            W     Altitude    km    -0.305  3.048| -0.305 12.192
       idle               W     Shock        g         3       |     50
       seek               W     Rotation   RPM      3600
       read/write         W     Acoustic   dBA        45
       spin-up            W     ECC        Bit
                                MTBF         h     100000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Layout

SYQUEST SQ3270S USER'S GUIDE 104637-002 REV. B 1994

  +---------------------------------------------------------+
  |                                             +-----+   X |XX
  |                                    +-+8     +-----+ TEX |XX
  |                                    | |      +-----+   X |XX
  |                                JP2 | |      +-----+   X |XX
  |                                    +-+1                 |XX
  |                            +---------+                X |XX
  |                            |         |      TerminatorX |XX
  |                            |         |                X |XX
  |                            +---------+                X |XX
  |                                                         |XX
  |                                                         |XX1
  |                                                         |
  |                                                         |XX+5V
  |                                                         |XXPower
  +---------------------------------------------------------+

TE = Terminator

Jumpers

SYQUEST SQ3270S USER'S GUIDE 104637-002 REV. B 1994

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

JP2 1/2/3 SCSI ID
-----------------
Pins 3 = SCSI ID2
Pins 2 = SCSI ID1
Pins 1 = SCSI ID0

   +----------+-----------------------+
   | SCSI ID  |        Jumpers        |
   |          | ID2   | ID1   | ID0   |
   +----------+-------+-------+-------+
   |    0     | OPEN  | OPEN  | OPEN  |
   +----------+-------+-------+-------+
   |    1     | OPEN  | OPEN  | CLOSED|
   +----------+-------+-------+-------+
   |    2     | OPEN  | CLOSED| OPEN  |
   +----------+-------+-------+-------+
   |    3     | OPEN  | CLOSED| CLOSED|
   +----------+-------+-------+-------+
   |    4     | CLOSED| OPEN  | OPEN  |
   +----------+-------+-------+-------+
   |    5     | CLOSED| OPEN  | CLOSED|
   +----------+-------+-------+-------+
   |    6     | CLOSED| CLOSED| OPEN  |
   +----------+-------+-------+-------+
   |    7     | CLOSED| CLOSED| CLOSED|
   +----------+-------+-------+-------+

JP2 Pin 4 => ODD Parity

JP2 Pin 5 => NEC COMPATIBLE

JP2 Pin 6 => Asynchron Transfer

JP2 Pin 7 => RESERVED

JP2 Pin 8 => RESERVED