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Hard Drive: SEAGATE: ST412 10MB 5.25"/FH MFM ST412




S T 4 1 2    SEAGATE
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 5.25"/FH              Cylinders     306|     |     |
Capacity form/unform    10/   13 MB        Heads           4|     |     |
Seek time   / track  85.0/17.0 ms          Sector/track   17|     |     |
Controller           MFM / ST412           Precompensation   128
Cache/Buffer               KB              Landing Zone      319
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          25.9 W     Shock        g                 |
       seek               W     Rotation   RPM
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h      11000
                                Warranty Month
Lift/Lock/Park     NO           Certificates                                  

Layout

SEAGATE ST406/412/419 MFM PRODUCT DESCRIPTION

  +---------------------------------------------------------+
  |                                                         |XX
  |                                                         |XX J2
  |                                                         |XXData
  |                                                         |XX
  |                                                         |  1
  |                                                         |
  |                                                         |
  |                                             Terminator  |XX
  |                                             +--------+  |XX
  |                                             +--------+  |XX J1
  |                                             +-------+   |XXControl
  |                                             +-------+   |XX
  |                                            Option Jumper|XX
  |                                            Block        |XX
  |                                                         |  1
  |                                                         |XX J3
  |                                                         |XX Power
  +---------------------------------------------------------+

Jumpers

SEAGATE ST406/412/419 MFM PRODUCT DESCRIPTION

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

Option Jumper Block
-------------------

       +-+   +-+
       | +---+ |
     8 |  * *  | Radial/Daisy chain
     7 |  * *  | RESERVED
     6 |  * *  | RESERVED
     5 |  * *  | RESERVED
     4 |  * *  | Drive Select 4
     3 |  * *  | Drive Select 3
     2 |  * *  | Drive Select 2
     1 |  * *  | Drive Select 1
       +-------+

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

 Radial Connection
 -----------------
 Pin 8  CLOSED  Radial
        OPEN    Daisy-chain

Factory Reserved
----------------
Pins 5, 6, and 7 are factory reserved.















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