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IDENTIFY DRIVE
The WD1004-27X and WD1004A-27X boards work with any hard disk drive that
has the ST506/412 drive interface and no more than 1024 cylinders and 16 heads.
The Seagate 238 hard disk drive unit is such a drive.
Look in your drive manual to verify that you have an ST506/412 RLL drive or
check with your dealer.
Then check the drive manual for the drive parameters, such as those listed in Table
1-1. You'll need this information to select the proper low level format.
Table 1-1. WD1004 and WD1004A Default Drive Parameters
Formatted
Capacity
32MB
This board does not work with RLL drives. If you have an MFM drive you
need either the WDXT–GEN2 or WD1004A–WX1 board.
Number of
Heads
4
Number of
Cylinders
615
1-2
Sectors per
Track
26
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