EASTERN ELECTRONICS COMPANY
IDC-767 DISK ACCELERATOR
| |
Data bus: |
32-bit, VL-bus |
Size: |
Three/quarter-length, full-height card |
Hard drive supported: |
Four IDE (AT) Interface drives |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function |
Location |
40-pin IDE(AT) Interface connector - IDE-0 |
J1 |
40-pin IDE(AT) Interface connector - IDE-1 |
J2 |
34-pin control cable connector - floppy drive |
J3 |
4-pin connector - Drive active LED |
JP1 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
IDE-0 (J1) read signal damping enabled |
JP3 |
open |
IDE-0 (J1) read signal damping disabled |
JP3 |
closed | |
» |
IDE-1 (J2) read signal damping enabled |
JP4 |
open |
IDE-1 (J2) read signal damping disabled |
JP4 |
closed | |
» |
IDE-0 (J1) write signal damping enabled |
JP5 |
open |
IDE-0 (J1) write signal damping disabled |
JP5 |
closed | |
» |
IDE-1 (J2) write signal damping enabled |
JP6 |
open |
IDE-1 (J2) write signal damping disabled |
JP6 |
closed | |
» |
Hard drive port address is 1F0-1F7, 3F6 & 3F7h |
JP7/jumper 4 |
closed |
Hard drive port address is 170-177, 376 & 377h |
JP7/jumper 4 |
open | |
» |
Floppy drive enabled |
JP7/jumper 5 |
closed |
Floppy drive disabled |
JP7/jumper 5 |
open | |
» |
Normal operation |
JP7/jumper 6 |
closed |
Test mode enabled |
JP7/jumper 6 |
open |
INTERRUPT REQUEST | |||||
IRQ |
JP2/jumper 1 |
JP2/jumper 2 |
JP2/jumper 3 |
JP2/jumper 4 | |
5 |
closed |
open |
open |
open | |
12 |
open |
closed |
open |
open | |
» |
14 |
open |
open |
closed |
open |
15 |
open |
open |
open |
closed |
BIOS ADDRESS | |||
Address |
JP7/Jumper 1 |
JP7/Jumper 2 |
JP7/Jumper 3 |
DC000h |
closed |
closed |
closed |
D8000h |
open |
closed |
closed |
D4000h |
closed |
open |
closed |
D0000h |
open |
open |
closed |
CC000h |
closed |
closed |
open |
C8000h |
open |
closed |
open |
Disabled |
n/a |
open |
open |
LOCAL BUS CLOCK SKEW | ||
| ||
Select |
JP8 | |
» |
Fastest skew |
pins 2 & 5 closed |
Medium skew |
pins 1 & 2 closed | |
Slowest skew |
pins 2 & 3 closed |