Hard Drive: SEAGATE: ST9840AG MARATHON 840MB 2.5"/SSL ATA2 FAST

S T 9 8 4 0 A G         M A R A T H O N    SEAGATE
                                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 2.5"/SUPERSLIMLINE    Cylinders        | 1628|  814| 1024
Capacity form/unform   840/      MB        Heads           4|   16|   32|   16
Seek time   / track  14.0/ 4.0 ms          Sector/track     |   63|   63|   63
Controller           IDE / ATA2 FAST/ENHA  Precompensation
Cache/Buffer           107 KB SEGMENTED    Landing Zone
Data transfer rate    7.000 MB/S int       Bytes/Sector      512
                     16.600 MB/S ext PIO4
Recording method     ZBR PRML89                     operating  | non-operating
                                                  -------------+--------------
Supply voltage     5 V          Temperature *C                 |
Power: sleep          0.1 W     Humidity     %                 |
       standby        0.3 W     Altitude    km                 |
       idle           0.8 W     Shock        g       125       |    350
       seek           2.5 W     Rotation   RPM      4500
       read/write         W     Acoustic   dBA        38
       spin-up            W     ECC        Bit
                                MTBF         h     300000
                                Warranty Month
Lift/Lock/Park     YES          Certificates

Jumpers

SEAGATE ST9546A/9840AG JUMPER SETTING

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

 Master/Slave selection
 ----------------------
    Interface                              J1      Jumper
   +-------------------------------------------+   +------+
   |o o o o o o o o o o o o o o o o o o o o o 1|   | A  C |
   |o o o o o o o o o o o o * o o o o o o o o o|   | B  D |
   44------------------------------------------+   +------+
 ---------------------------------------------------------PWA------

 Pin 41   +5VDC
 Pin 42   +5VDC
 Pin 43   GND
 Pin 44   Reserved

 Drive uses +5VDC power supplied to the drive via the interface
 connector. The drive does NOT make use of a +12VDC power line.

Pin-20 removed for keying

   Jumper for Pins        Configuration
  |A and B | C and D
  +--------+---------------------------------------------------------
  |OPEN    | OPEN       Drive is Master, no Slave present
  +--------+---------------------------------------------------------
  |CLOSED  | OPEN       Drive is Master, Seagate Slave drive present
  +--------+---------------------------------------------------------
  |OPEN    | CLOSED     Drive is Slave to another Seagate 2.5" Master
  +--------+---------------------------------------------------------
  |CLOSED  | CLOSED     Cable Select
  +--------+---------------------------------------------------------