CMS ENHANCEMENTS, INC.
HCWDXTGEN
| |
Data bus: |
8-bit ISA |
Size: |
Half length, full-height card |
Hard drive supported: |
Two MFM 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 | |
» |
Factory configured - do not alter |
W25 |
open |
» |
Factory configured - do not alter |
W26 |
open |
» |
Interrupt select IRQ5 |
W27 |
open |
Interrupt select IRQ2 |
W27 |
closed | |
» |
AT compatibility mode enabled |
W28 |
closed |
XT compatibility mode 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 | |
» |
21MB |
4 |
615 |
open |
open |
open |
open |
21MB |
4 |
612 |
closed |
closed |
closed |
closed | |
10MB |
4 |
306 |
open |
closed |
open |
closed | |
10MB |
2 |
615 |
closed |
open |
closed |
open |