W R E N   I V   9 4 1 7 1 - 3 7 6    IMPRIMIS
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders    1549|     |     |
Capacity form/unform   330/      MB        Heads           9|     |     |
Seek time   / track  18.0/     ms          Sector/track     |     |     |
Controller           SCSI1 SINGLE-ENDED    Precompensation 65535
Cache/Buffer            32 KB              Landing Zone
Data transfer rate    1.875 MB/S int       Bytes/Sector      512
                      4.700 MB/S ext SYNC
Recording method                                    operating  | non-operating
                                                  -------------+--------------
Supply voltage                  Temperature *C                 |
Power: sleep              W     Humidity     %                 |
       standby            W     Altitude    km                 |
       idle               W     Shock        g        10       |     32
       seek               W     Rotation   RPM
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h     100000
                                Warranty Month
Lift/Lock/Park     YES          Certificates


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                      J   U   M   P   E   R   S
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CDC      WREN 4 94171-376  PRODUCT MANUAL 77765338-E

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


  Connects CHASIS ground to ground lug ------------+
  Connects SIGNAL ground to ground lug ----------+ |
                     Drive Select ID's -----+    | |
             Motor Start Option enable -+   |    G G
            Parity Check Option enable+ | +-+-+ +1+2+
                                     +P M 4 2 1+|o|o|    POWER
                                     |o o o o o||o|o|   +---------+
                                     |o o o o o|+-+-+   | O O O O |
 ------------------------------------+---------+--------+---------PWA-
 -+------+---+-------------------------+--------+--------+--Data-PWA--
  1------+   |XXXXXXXXXXXXXXXXXXXXXXXXX| +-+    1--------+
 Terminator  +------------------------1+ |o| o   Terminator
               INTERFACE                 |o+-o
                                         +++
 TERMPWR (+5v) from drive (vertical) -----+
 TERMPWR from the Bus (lower horizontal)