W R E N   I   9 4 1 5 5 - 2 5    IMPRIMIS
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders     615|     |     |
Capacity form/unform    20/      MB        Heads           4|     |     |
Seek time   / track  40.0/     ms          Sector/track   17|     |     |
Controller           MFM / ST412           Precompensation 65535
Cache/Buffer               KB              Landing Zone      614
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                                  

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                        L   A   Y   O   U   T
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IMPRIMIS WREN I 94155/53-XX FAMILY  PRODUCT DESCRIPTION



    +------------------------------------------------------------+
    |                                                            |
    |                                                            |
    |Drive     (14-pin dip)                                      |
    |Select    Terminator                                        |
    | +----+   +--------1      Control Cable       1    Power    |
    +-1----R---+--------+------XXXXXXXXXXXXXXXXXXXX----XXXXXXX---+
    |                                                 12V GND 5V |
    |        Data Cable     1                                    |
    +--------XXXXXXXXXXXXXXX-------------------------------------+
    |                                                            |
    +------------------------------------------------------------+







**********************************************************************
                      J   U   M   P   E   R   S
**********************************************************************
IMPRIMIS WREN I 94155/53-XX  PRODUCT DESCRIPTION

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

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

           +-1-+-2-+-3-+-4-+-R-+
           | o | o | o | o | o |
           | o | o | o | o | o |
           +-+-+-+-+-+-+-+-+-+-+
             |   |   |   |   +------  Radial Select Option
             |   |   |   +----------  Drive Select 4
             |   |   +--------------  Drive Select 3
             |   +------------------  Drive Select 2
             +----------------------  Drive Select 1


  +----------------------------------------------------+
  |   SELECT             1       2       3       4     |
  +----------------------------------------------------+
  |Drive Select 1       CLOSED  OPEN    OPEN    OPEN   |
  |Drive Select 2       OPEN    CLOSED  OPEN    OPEN   |
  |Drive Select 3       OPEN    OPEN    CLOSED  OPEN   |
  |Drive Select 4       OPEN    OPEN    OPEN    CLOSED |
  +----------------------------------------------------+


 Radial Selection
 ----------------
 CLOSED  Radial mode enabled
 OPEN    Radial mode diabled