HDD Controller WD1002A-WX1 (8-bit)
Model number --------
FACTORY SETTINGS
-- Extra jumper
Jumper
Position
Description
W1
N / A
Not used.
W2
N / A
Not used.
W3
1 to 2
BIOS ROM is enabled (on controller).
W4
2 to 3
Device address 320H.
W5
* hard-wired 1 to 2
BIOS ROM size (32K or 64K).
W6
2 to 3
Reduced write current (< = 8 heads).
W7
* hard-wired 1 to 2
IRQ 5.
W8
2 to 3
Disk controller I. D. (set to be the first).
* No jumper pins - 1 and 2 are connected by a PCB board etch.