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Hard Drive: CONNER: CFA-1275S 1278MB 3.5"/SL SCSI2 FAST




C F A - 1 2 7 5 S    CONNER
NO MORE PRODUCED                                      Native|  Translation
                                                      ------+-----+-----+-----
Form                 3.5"/SLIMLINE         Cylinders        |     |     |
Capacity form/unform  1278/      MB        Heads           6|     |     |
Seek time   / track  12.0/ 3.0 ms          Sector/track     |     |     |
Controller           SCSI2 SI/FAST         Precompensation
Cache/Buffer           256 KB SEGMENTED    Landing Zone
Data transfer rate    4.500 MB/S int       Bytes/Sector      512
                            MB/S ext
Recording method     RLL 1/7                        operating  | non-operating
                                                  -------------+--------------
Supply voltage     5/12 V       Temperature *C         5 55    |    -40 60
Power: sleep          1.0 W     Humidity     %         8 80    |      8 80
       standby        1.0 W     Altitude    km    -0.061  3.048|        12.192
       idle           3.9 W     Shock        g         5       |     75
       seek           5.6 W     Rotation   RPM      4500
       read/write     4.2 W     Acoustic   dBA        38
       spin-up            W     ECC        Bit
                                MTBF         h     300000
                                Warranty Month
Lift/Lock/Park     YES          Certificates

Jumpers

CONNER CFA-1275S JUMPER SETTING

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

SCSI ID
-------
There are three jumpers available for configuration
of SCSI ID: E1, E2, and E3.

 +-------+-------+-------+-------+
 |E1     |E2     |E3     |SCSI ID|
 +-------+-------+-------+-------+
 |OPEN   |OPEN   |OPEN   |   0   |
 +-------+-------+-------+-------+
 |CLOSED |OPEN   |OPEN   |   1   |
 +-------+-------+-------+-------+
 |OPEN   |CLOSED |OPEN   |   2   |
 +-------+-------+-------+-------+
 |CLOSED |CLOSED |OPEN   |   3   |
 +-------+-------+-------+-------+
 |OPEN   |OPEN   |CLOSED |   4   |
 +-------+-------+-------+-------+
 |CLOSED |OPEN   |CLOSED |   5   |
 +-------+-------+-------+-------+
 |OPEN   |CLOSED |CLOSED |   6   |
 +-------+-------+-------+-------+
 |CLOSED |CLOSED |CLOSED |   7   |
 +-------+-------+-------+-------+

E4 Disable spin
---------------
Disable spin: A jumper in the E4 location, disables spin up
on power-on. Disabling spin up on application of power can also
be enabled by setting the DSPN bit in MODE SELECT page 0.

   +------+------+---------------------+
   |  E5  | DSPN | Result              |
   +------+------+---------------------+
   | IN   |  0   | Spin Disabled       |
   +------+------+---------------------+
   | IN   |  1   | Spin Disabled       |
   +------+------+---------------------+
   | OUT  |  0   | Spin up on Power On |
   +------+------+---------------------+
   | OUT  |  1   | Spin Disabled       |
   +------+------+---------------------+

Install

CONNER CFA-1275S/850S JUMPER SETTING

Notes On Installation
=====================

Installation direction
----------------------

     horizontally                           vertically
   +-----------------+             +--+                       +--+
   |                 |             |  +-----+           +-----+  |
   |                 |             |  |     |           |     |  |
 +-+-----------------+-+           |  |     |           |     |  |
 +---------------------+           |  |     |           |     |  |
                                   |  |     |           |     |  |
                                   |  |     |           |     |  |
 +---------------------+           |  +-----+           +-----+  |
 +-+-----------------+-+           +--+                       +--+
   |                 |
   |                 |
   +-----------------+

Mounting Holes
--------------
Side: 6-32 UNC-2B .16 max. insertion
Bottom: 6-32 UNC-2B .22 max. insertion

 J4 DC Power Connector
 ---------------------
  Pin 1  +12 VDC
  Pin 2  Ground (Return)
  Pin 3  Ground (Return)
  Pin 4  +5 VDC













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