NEC TECHNOLOGIES, INC.
ESDI DISK CONTROLLER BOARD
| |
Data bus: |
16-bit ISA |
Size: |
Three-quarter length, full-height card |
Hard drive supported: |
Two ESDI drives |
Floppy drives supported: |
None |
CONNECTIONS | |
Function |
Location |
4-pin connector - drive active LED |
J1 |
20-pin data cable connector |
J2 |
20-pin data cable connector |
J3 |
34-pin cable control connector - hard drive |
J4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Cache enabled |
W1/A |
open |
Cache disabled |
W1/A |
closed | |
» |
4-byte ECC mode select |
W1/B |
open |
7-byte ECC mode select |
W1/B |
closed | |
» |
Translation enabled |
W1/C |
open |
Translation disabled |
W1/C |
closed | |
» |
Factory configured - do not alter |
W1/D |
open |
» |
Physical mode select |
W1/E |
open |
35 sector-per-track mode select |
W1/E |
closed | |
» |
Alternate sector disabled |
W1/F |
open |
Alternate sector enabled |
W1/F |
closed | |
» |
IRQ14 select |
W7 |
pins 1 & 2 closed |
IRQ15 select |
W7 |
pins 2 & 3 closed | |
» |
Primary address is 1FXh |
W12 |
open |
Secondary address is 17Xh |
W12 |
closed |