CMS ENHANCEMENTS, INC.
HCWD27X
|
| |
|
Data bus: |
8-bit ISA |
|
Size: |
Half length, full-height card |
|
Hard drive supported: |
Two RLL ST506/412 drives |
|
Floppy drives supported: |
None |
|
CONNECTIONS | |
|
Function |
Location |
|
34-pin data cable connector - hard drive |
J1 |
|
20-pin data cable connector - drive 0 |
J2 |
|
20-pin data cable connector - drive 1 |
J3 |
|
External power connector |
J4 |
|
4-pin connector - drive active LED |
J5 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Interrupt select IRQ5 |
W27 |
open | |
|
Interrupt select IRQ2 |
W27 |
closed | |
|
AT compatibility enabled |
W28 |
closed | |
|
XT compatibility enabled |
W28 |
open | |
|
ADDRESS SELECT | ||||
|
I/O Address |
Base Memory Address |
W21 |
W22 | |
|
320h |
C8000h |
open |
open | |
|
324h |
CA000h |
closed |
open | |
|
328h |
CC000h |
open |
closed | |
|
32Ch |
CE000h |
closed |
closed | |
|
PRE-SELECTED DRIVE CONFIGURATION | |||||||
|
Drive 0 |
Drive 1 | ||||||
|
Capacity |
Heads |
Cylinders |
W17 |
W18 |
W19 |
W20 | |
|
32MB |
4 |
615 |
open |
open |
open |
open | |
|
65MB |
6 |
820 |
closed |
closed |
closed |
closed | |
|
42MB |
4 |
782 |
open |
closed |
open |
closed | |
|
21MB |
2 |
782 |
closed |
open |
closed |
open | |
|
TRANSLATION | |||||
|
Setting |
Dynamic |
Sectors |
W25 |
W26 | |
|
Disabled |
Yes |
26 |
open |
closed | |
|
Enabled |
No |
17 |
closed |
open | |