Hard Drive: SEAGATE: ST34501N CHEETAH 4LP 4550MB 3.5"/SL SCSI3 ULTR

S T 3 4 5 0 1 N   C H E E T A H   4 L P    SEAGATE
                                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders    6582|     |     |
Capacity form/unform  4550/      MB        Heads           8|     |     |
Seek time   / track   7.8/ 1.0 ms          Sector/track     |     |     |
Controller           SCSI3 SI/ULTRA        Precompensation
Cache/Buffer          1024 KB ADAPTIVE     Landing Zone
Data transfer rate   11.300 MB/S int       Bytes/Sector      512
                     20.000 MB/S ext SYNC
Recording method     PRML 0/4/4,ZBR                 operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C                 |
Power: sleep              W     Humidity     %                 |
       standby            W     Altitude    km                 |
       idle          13.5 W     Shock        g                 |
       seek               W     Rotation   RPM     10033
       read/write         W     Acoustic   dBA
       spin-up            W     ECC        Bit
                                MTBF         h    1000000
                                Warranty Month
Lift/Lock/Park     YES          Certificates                                  

Jumpers

SEAGATE ST19101/34501-N/ND CHEETAH JUMPERSETTING

Jumper setting
==============

Each disk drive has one or more option select header connectors on
the back, side or front where jumper plugs are installed to select
the way that the drive is to be configured or to select its ID on the
I/O bus.

J2 Motor Start/Write Protect/Terminator Power
----------------------------------------------

              Position Numbers
          +-8--7--6--5--4--3--2--1-+         +-J1
 ---------+ o  X  o  o  o  o  o  1 +---------+
          | o  X  o  o  o  o  xxxx |         +----
          +------------------------+

     8   Enable T-Res (Single-Ended Drives ONLY)

     7   Jumper installed in position 2 enables the Delayed Motor
         Start option (if jumper in position 3 is off). Motor start
         delays is 12 times the drive ID number in seconds; i.e. drive
         ID 0 starts immediately. Drive one starts 12 seconds later,
         etc.

     6   Jumper installed enables Motor Start option. The drive waits
         for the Start unit command from the host before starting the
         spindle motor.

     5   Jumper installed means entire drive is write protected.

     4   Jumper installed means parity checking by the drive is
         enabled.

     3   RESERVED

     2   Select terminator power source. In position 1 the drive
     1   supplies power to the SCSI bus, pin 26. In position 2 drive
         supplies power only to its own terminators. (Factory setting)
         Jumper horizontally between positions 1 and 2
         means the drive takes power from the SCSI bus.

  Terminator Power-source Table
  -----------------------------
  1 2             1 2             1 2
 +----           +----           +----
 |X o            |o X            |o o
 |X o            |o X            |xxx
 +------         +------         +-------
 Drive Supplies  Drive Supplies  Bus Supplies
 Bus             Own             Drive

NOTE
Differential drives do not have internal terminators or any other
way of adding internal terminators to the drive; use external active
termination if required.

 FRONT VIEW
 ----------
 Reserved. Shipped with cover installed. Do not remove. Do not install
 jumpers!                         |
                                  |     ++---- RESERVED
                                  |     ||+--- ID4
                                  |     |||+-- ID2
                                  |     ||||+- ID1
                      TOP (HDA)  ++---+-++++1+
     ---PCB----------------------+::::|::::::+--------
                ++    BOTTOM     +-J6-++-----+
                ++                     |
            LED +                      |
                                       +------ Remote LED (pin-11 +5v)

 SCSI ID
 ------
   +----------+-----------------------+
   | SCSI ID  |        Jumpers        |
   |          | ID4   | ID2   | ID1   |
   +----------+-------+-------+-------+
   |x   0     | OPEN  | OPEN  | OPEN  |
   +----------+-------+-------+-------+
   |    1     | OPEN  | OPEN  | CLOSED|
   +----------+-------+-------+-------+
   |    2     | OPEN  | CLOSED| OPEN  |
   +----------+-------+-------+-------+
   |    3     | OPEN  | CLOSED| CLOSED|
   +----------+-------+-------+-------+
   |    4     | CLOSED| OPEN  | OPEN  |
   +----------+-------+-------+-------+
   |    5     | CLOSED| OPEN  | CLOSED|
   +----------+-------+-------+-------+
   |    6     | CLOSED| CLOSED| OPEN  |
   +----------+-------+-------+-------+
   |    7     | CLOSED| CLOSED| CLOSED|
   +----------+-------+-------+-------+