Hard Drive: SEAGATE: ST9252N 252MB 2.5"/SSL SCSI1 SE

S T 9 2 5 2 N    SEAGATE
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 2.5"/SUPERSLIMLINE    Cylinders    1339|     |     |
Capacity form/unform   252/      MB        Heads           6|     |     |
Seek time   / track  12.0/ 2.0 ms          Sector/track     |     |     |
Controller           SCSI1 SINGLE-ENDED    Precompensation
Cache/Buffer            32 KB              Landing Zone
Data transfer rate    3.000 MB/S int       Bytes/Sector      512
                      8.000 MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5 V          Temperature *C         5 55    |    -40 60
Power: sleep          0.2 W     Humidity     %         5 90    |      5 90
       standby        0.2 W     Altitude    km    -0.061  3.048| -0.061  4.500
       idle           1.0 W     Shock        g        10       |    200
       seek           1.1 W     Rotation   RPM      4500
       read/write     1.4 W     Acoustic   dBA        34
       spin-up            W     ECC        Bit
                                MTBF         h     150000
                                Warranty Month
Lift/Lock/Park     YES          Certificates

Layout

CONNER CFN-170S/250S QUICK REFERENCE GUIDE REV. C, DEC. 94

  +---------------------------------------------------------+     I
  | +-+                                                     |XX   N
  | | |                                                     |XX   T
  | | |                                                     |XX   E
  | | |                                                     |XX   R
  | | |                                                     |XX   F
  | +-+                                                     |XXJ2 A
  |                                                         |XX   C
  |                                                         |XX   E
  |                                                         |XX   /
  |                                                         |XX   P
  |                                                         |XX   O
  |                                                         |XX   W
  |                                                         |XX   E
  |                                                         |  1  R
  |                                                         |XX J3
  |                                                         |XX
  +---------------------------------------------------------+  1

Jumpers

CONNER CFN-170S/250S QUICK REFERENCE GUIDE DEC. 94, REV. C

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

 J3 SCSI ID/LED
 --------------
  +---J3---------
  | o o o o  o o o o
  | 1 o o o  1 o o o o o
 -+--------------J2--------
   +--------+-----+-----+-----+
   |J3, Pin |  5  |  6  |  7  |
   +--------+-----+-----+-----+
   |SCSI ID | E1  | E2  | E3  |
   +--------+-----+-----+-----+
   |   0    |high |high |high |
   +--------+-----+-----+-----+
   |   1    |low  |high |high |
   +--------+-----+-----+-----+
   |   2    |high |low  |high |
   +--------+-----+-----+-----+
   |   3    |low  |low  |high |
   +--------+-----+-----+-----+
   |   4    |high |high |low  |
   +--------+-----+-----+-----+
   |   5    |low  |high |low  |
   +--------+-----+-----+-----+
   |   6    |high |low  |low  |
   +--------+-----+-----+-----+
   |   7    |low  |low  |low  |
   +--------+-----+-----+-----+

LED Attachment
--------------

   +5V
     o
     |
     <
     >  Current limiting
     |
    \ /
    -+- LED
     |
     o
 J3, Pin 8, -LED

Mounting Holes
--------------
Side: 3mm x 0.5mm THD (4x) 4mm max. Insertion
Bottom: 3mm x 0.5mm THD (4x) 4mm max. Insertion

 (signal)          (pin)          (signal)
                +----------+                               pin
 RESERVED (NC)  | 1      2 |  RESERVED (ND)                ID1 ID2 ID4
 RESERVED (NC)  | 3      4 |  RESERVED (ND)             ID+-----------
          ID1-  | 5      6 |  ID2-                      0 | H   H  H
          ID4-  | 7      8 |  LED                       1 | L   H  H
                +----------+                            2 | H   L  H
                +----------+                            3 | L   L  H
           +5V  | 1      2 |  +5V                       4 | H   H  L
       +5V Ret  | 3      4 |  +5V Ret                   5 | L   H  L
        Ground  | 5      6 |  DB0-                      6 | H   L  L
        Ground  | 7      8 |  DB1-                      7 | L   L  L
        Ground  | 9      10|  DB2-
        Ground  | 11     12|  DB3-                      H = high
        Ground  | 13     14|  DB4-                      L = low
        Ground  | 15     16|  DB5-
 Connector Key  | no pin 18|  DB6-
        Ground  | 19     20|  DB7-
        Ground  | 21     22|  Parity-
        Ground  | 23     24|  TRMPWR
          ATN-  | 25     26|  BSY-
        Ground  | 27     28|  ACK-
          RST-  | 29     30|  MSG-
        Ground  | 31     32|  SEL-
          I/O-  | 33     34|  C/D-
        Ground  | 35     36|  REQ-
       +5V Ret  | 37     38|  +5V Ret
           +5V  | 39     40|  +5V
                +----------+