Hard disk drives
Models: WDA-L42, WDA-L42S, WDA-L40 and WDA-L40S
The following information is the only information available for these drives:
Jumper settings
Positions 3 and 4 are used to park un-used jumpers.

Note: When a drive 1 (slave) is installed in the system with a drive 0
(master) already installed, there is no change to the jumper setting for a
drive 0 (master). Only the jumper of drive 1 (slave), bit 2, is required to be
removed. The jumper may be stored for later use by moving it to bit 3 which is
unused.
Bit No. Name Description
------- ------- -------------------------------------
1 IORDY If a host supports IORDY signal, this bit
must be set ON.
2 -DRV0/DRV1 When set ON, the drive is set as drive 0 (master)
When set OFF, the drive is set as drive 1 (slave)
3 -- Not available
4 -- Not available
Data organization
Disks 1
Heads 2
RPM 3600
Tracks 2134
Sec/trk 39
Cylinders 1067
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