Epson Equity II Product Support Bulletin(s) - Page 11

HDD Controller WD1002A-WX1 8-bit

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HDD Controller WD1002A-WX1 (8-bit) Model number -------- -- Extra jumper FACTORY SETTINGS 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.

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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.