lotus



previous page: Hard Drive: CDC: WREN I 94153-35 35MB 5.25"/FH   MFM ST412
  
page up: Hard Drive Specs from CDC
  
next page: Hard Drive: CDC: WREN I 94155-25 20MB 5.25"/FH   MFM ST412

Hard Drive: CDC: WREN I 94155-21 18MB 5.25"/FH MFM ST412




W R E N   I   9 4 1 5 5 - 2 1    CDC
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders     697|     |     |
Capacity form/unform    18/      MB        Heads           3|     |     |
Seek time   / track  40.0/     ms          Sector/track   17|     |     |
Controller           MFM / ST412           Precompensation 65535
Cache/Buffer               KB              Landing Zone      696
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 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-------------------------------------+
    |                                                            |
    +------------------------------------------------------------+

Jumpers

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

Install

IMPRIMIS WREN I INSTALLATION

Notes on installation
=====================

Drive mounting
--------------

     horizontally             vertically
   +-----------------+   +--+             +--+ +------------------+
   |                 |   |  +-----+ +-----+  | |                  | x
   |                 |   |  |     | |     |  | x+----------------+x
 +-+-----------------+-+ |  |     | |     |  | ||x              x||
 +---------------------+ |  |     | |     |  | ||  x          x  ||
                         |  |     | |     |  | ||    x      x    ||
      x           x      |  |     | |     |  | ||      x  x      ||
 +------x------x-------+ |  +-----+ +-----+  | ||       xx       ||
 +-+------x--x-------+-+ +--+             +--+ ||     x    x     ||
   |       xx        |                         ||   x        x   ||
   |     x    x      |                         || x            x ||
   +---x--------x----+                         |x                x|
     x            x                           x++----------------++x
      UNACCEPTABLE!                                UNACCEPTABLE!
      Never install PC board on the Top!













TOP
previous page: Hard Drive: CDC: WREN I 94153-35 35MB 5.25"/FH   MFM ST412
  
page up: Hard Drive Specs from CDC
  
next page: Hard Drive: CDC: WREN I 94155-25 20MB 5.25"/FH   MFM ST412