Hard Drive: TOSHIBA: MK-234FB 106MB 3.5"/HH SCSI1 SE

M K - 2 3 4 F B    TOSHIBA
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/HH               Cylinders     845|     |     |
Capacity form/unform   106/  125 MB        Heads           7|     |     |
Seek time   / track  20.0/ 7.0 ms          Sector/track     |     |     |
Controller           SCSI1 SINGLE-ENDED    Precompensation
Cache/Buffer               KB              Landing Zone
Data transfer rate    1.500 MB/S int       Bytes/Sector      512
                            MB/S ext
Recording method                                    operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 50    |    -10 50
Power: sleep              W     Humidity     %                 |
       standby       10.0 W     Altitude    km                 |
       idle               W     Shock        g        10       |     40
       seek               W     Rotation   RPM      3600
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h      30000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Layout

TOSHIBA MK-234FB PRODUCT DESCRIPTION

  +---------------------------------------------------------+
  |                                                   1-+   |+-1 PJ4
  |                                               PJ10| |   || |
  |                                                   | | ++|+-+
  |                                                   +-+ ++|
  |                                                   ++    |XX I
  |                                                   ||    |XX N
  |                                                   ||    |XX T
  |                                                   ++    |XX E
  |                                       Terminator  ++    |XX R
  |                                                   ||    |XX F
  |                                                   ||    |XX A
  |                                                   ++    |XX C
  |                                                   ++    |XX E
  |                                                   ||    |XX
  |                                                   ||    |XX
  |                                                   ++    |
  |                                                         |XX Power
  +---------------------------------------------------------+

Jumpers

TOSHIBA MK234FB PRODUCT DESCRIPTION

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

x = Jumper set at factory

 PJ4  SCSI ID          +--------+-------+-------+-------+
 ------------          |SCSI ID | 5-6   | 3-4   | 1-2   |
                       +--------+-------+-------+-------+
      +-----+          |x  0    | OPEN  | OPEN  | OPEN  |
      1 o o 2  ID 0    |   1    | OPEN  | OPEN  | CLOSED|
      | o o |  ID 1    |   2    | OPEN  | CLOSED| OPEN  |
      5 o o 6  ID 2    |   3    | OPEN  | CLOSED| CLOSED|
      +-----+          |   4    | CLOSED| OPEN  | OPEN  |
                       |   5    | CLOSED| OPEN  | CLOSED|
                       |   6    | CLOSED| CLOSED| OPEN  |
                       |   7    | CLOSED| CLOSED| CLOSED|
                       +--------+-------+-------+-------+

 PJ10  Write Protect/Parity Check/Unit Attention/Command Operation
 -----------------------------------------------------------------
      +-----+
      1 o o 2        PJ10  Write Protect
      | o o |        -------------------
      | o o |            x 3-4   OPEN   Not Protected
      | o o |                    CLOSED Protected
     11 o o 12
      +-----+

                     PJ10  Unit Attention
                     --------------------
                         x 5-6   OPEN   Enable
                                 CLOSED Disable

                     PJ10  Command Operation Select
                     ------------------------------
                         x  7-8  OPEN   Mode 0
                                 CLOSED Mode 1

                     PJ10  Parity Check
                     ------------------
                         x 9-10  OPEN   Disable
                                 CLOSED Enable

In manufacture setting the terminator is on the MK234FB circuit
board. When you use more then three SCSI units, the terminator must
be removed except it is set at the end of SCSI cable. The removed
terminators must not be used again.