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Hard Drive: CDC: WREN IIHH 94205-41 34MB 5.25"/FH MFM ST412




W R E N   I I H H   9 4 2 0 5 - 4 1    CDC
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders     989|     |     |
Capacity form/unform    34/      MB        Heads           4|     |     |
Seek time   / track  40.0/     ms          Sector/track   17|     |     |
Controller           MFM / ST412           Precompensation
Cache/Buffer               KB              Landing Zone
Data transfer rate    0.625 MB/S int       Bytes/Sector      512
                      0.625 MB/S ext
Recording method     MFM                            operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C                 |
Power: sleep              W     Humidity     %                 |
       standby            W     Altitude    km                 |
       idle               W     Shock        g                 |
       seek               W     Rotation   RPM
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h
                                Warranty Month
Lift/Lock/Park     NO           Certificates                                  

Layout

IMPRIMIS WREN IIHH 94205-41/94205-53 PRODUCT DESCRIPTION

  +------------------------------------------------------+  5V
  |                                                      |XX Power
  |                                                      |XX
  |                                                      |  12V
  |                                        Terminator++  |X1 Control
  |                                        Resistor  ||  |XX Cable
  |                                                  ||  |XX Connector
  |                                                  ||  |XX
  |                                                  +1  |XX
  |                                                      |XX
  |                                                      |XX
  |                                                  +-+ |
  |                                          Drive   | | |X1 Data
  |                                          Select  | | |XX Cable
  |                                          Jumper  | | |XX Connector
  |                                                  +-1 |XX
  |                                                      |XX
  +------------------------------------------------------+

Jumpers

IMPRIMIS WREN IIHH 94205-41/94205-53 PRODUCT DESCRIPTION

Jumper setting
==============

Drive Select Jumper
-------------------

      +------------+--------------------+
      |            | 1  2  3  4  5  6  7|
      +------------+--------------------+
      |Drive 1     | X  o  o  o  o  o  o|
      |            | X  o  o  o  o  o  o|
      +------------+--------------------+
      |Drive 2     | o  X  o  o  o  o  o|
      |            | o  X  o  o  o  o  o|
      +------------+--------------------+
      |Drive 3     | o  o  X  o  o  o  o|
      |            | o  o  X  o  o  o  o|
      +------------+--------------------+
      |Drive 4     | o  o  o  X  o  o  o|
      |            | o  o  o  X  o  o  o|
      +------------+--------------------+
      |Radial      | o  o  o  o  X  o  o|
      |            | o  o  o  o  X  o  o|
      +------------+--------------------+
      |Reserved    | o  o  o  o  o  X  o|
      |            | o  o  o  o  o  X  o|
      +------------+--------------------+
      |Reserved    | o  o  o  o  o  o  X|
      |            | o  o  o  o  o  o  X|
      +------------+--------------------+

If you use a twisted cable, use Drive Select 2.

 DC Power and pin connector assignments
 --------------------------------------
      +------------+   pin 1    +12 VDC
      | 1  2  3  4 |   pin 2    +12 Volts Return
      +------------+   pin 3    + 5 Volts Return
                       pin 4    + 5 VDC













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