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
**********************************************************************
J U M P E R S
**********************************************************************
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 |
+------+------+---------------------+
**********************************************************************
I N S T A L L
**********************************************************************
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