
M 2 3 7 2 K    FUJITSU
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 8"/FH                 Cylinders     745|     |     |
Capacity form/unform   824/      MB        Heads          27|     |     |
Seek time   / track  16.0/ 4.0 ms          Sector/track     |     |     |
Controller           HSMD                  Precompensation
Cache/Buffer               KB              Landing Zone
Data transfer rate    2.458 MB/S int       Bytes/Sector      512
                            MB/S ext
Recording method     RLL 2/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/24 V       Temperature *C         5 40    |    -40 60
Power: sleep              W     Humidity     %        20 80    |      5 95
       standby            W     Altitude    km            3.000|        12.000
       idle               W     Shock        g         2       |
       seek               W     Rotation   RPM      3600
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h      35000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

**********************************************************************
                        L   A   Y   O   U   T
**********************************************************************
FUJITSU  M2372K  JUMPER SETTING

  +---------------------------------------------------------+
  |Main PCA                       +--+       ********       |
  |                               |  |SW5                   |
  |                               +--+                      |
  |                                             +--+        |
  |                                         +--+|  |        |
  |                                      SW2|  ||  |SW1     |
  |                                         +--++--+        |
  |                                                         |
  |                            +--++--+                     |
  |                         SW4|  ||  |SW3                  |
  |                            |  ||  |                     |
  |                            +--++--+                     |
  +---------------------------------------------------------+







**********************************************************************
                      J   U   M   P   E   R   S
**********************************************************************
FUJITSU  M2372K  JUMPER SETTING

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

 Terminal SW1 Main PCA
 ---------------------
 Key    3(2^2)  2(2^1)  1(2^0)  Disk address
 --------------------------------------------
        OFF     OFF     OFF           0
        OFF     OFF     ON            1
        OFF     ON      OFF           2
        OFF     ON      ON            3
        ON      OFF     OFF           4
        ON      OFF     ON            5
        ON      ON      OFF           6
        ON      ON      ON            7
 Keys 1 to 3 are used for setting the disk logical address (0 - 7).
 Switch positions are binary coded.


 Key 4
 -----
    ON  Enable
    OFF Disable

 This drive supports the tag 4/5 functions. The user can select these
 functions by setting Key 4.  In the OFF position tag 4/5 are
 disabled. Control units that do not support tag 4/5 require this set
 to OFF.


 Key 5
 -----
    ON  Enable write protection
    OFF Disable write protection


 Key 6
 -----
    OFF Set device type to M2372K
    This key will always be OFF.

 Tag 4/5 feature must be enabled to obtain device type status.


 Key 7
 -----
    ON  Variable Soft sector mode
    OFF Hard Sector mode

 The user can select either hard sector or soft sector mode. In the
 case of Hard Sector, the number of sectors per disk revolution must
 be set.


 Terminal SW2 Main PCA
 ---------------------

 Key 1
 -----
    ON  Calibration seek performed
    OFF Normal

 Calibration seek must be executed at any time the main PCA is
 replaced to optimise the servo control coefficient. To execute the
 calibration seek set key 1 to the ON position and turn on the power.
 Calibration seek is performed automatically.  After completion, the
 ST0 LED will blink. Set key 1 to the OFF position to put the drive
 in the READY state.


 Key 2
 -----
    OFF Not used


 Key 3
 -----
    ON  Vertical mounting (on side)
        OFF     Horizontal mounting

 This key adjusts the servo characteristics that depend on the
 orientation of the drive.
 NOTE: A wrong setting may cause seek or write offtrack errors.


 Key 4
 -----
    OFF Not used


 Terminal SW3 Main PCA
 =====================
 Sector counting
            Value
  ------------------------------
 Keys   7   128     (2^7)
        6    64     (2^6)
        5    32     (2^5)
        4    16     (2^4)
        3     8     (2^3)
        2     4     (2^2)
        1     2     (2^1)


 Terminal SW4 Main PCA
 ---------------------
       Sector counting
            Value
 -------------------------------
 Keys 7  16384 (2^14)
      6   8192 (2^13)
      5   4096 (2^12)
      4   2048 (2^11)
      3   1024 (2^10)
      2    512 (2^9)
      1    256 (2^8)

 SW3 and SW4 are used in conjunction with each other and detemine the
 required number of bytes per sector.


 Terminal SW5 Main PCA
 ---------------------
 Key    3     2     1   Delay in seconds
      -----------------------------------
       OFF   OFF   OFF         0
       OFF   OFF   ON          1
       OFF   ON    OFF         2
       OFF   ON    ON          3
       ON    OFF   OFF         4
       ON    OFF   ON          5
       ON    ON    OFF         6
       ON    ON    ON          7

 Specifies the the startup timing delay of the spindle motor to reduce
 the accumulation of +24V peak load current on power up in the case
 where a multiple drive supply is used.


 Key 4
 -----
  OFF   Not used


