ADAPTEC, INC.
AHA-1540C, AHA-1542C
|
Data bus: |
16-bit, ISA |
Size: |
Half-length, full-height card |
Hard drive supported: |
Up to seven SCSI devices |
Floppy drives supported: |
360KB, 720KB, 1.2MB, or 1.44MB (2) |
CONNECTIONS | |
Function |
Location |
SCSI drive interface (50 pin) internal |
CN1 |
SCSI drive interface (50 pin) external |
CN2 |
Floppy drive interface (AHA-1542C only) |
CN3 |
Hard drive activity LED |
CN4 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
SCSI Termination set with configuration software |
SW1/switch 1 |
off |
SCSI Termination enabled |
SW1/switch 1 |
on | |
» |
Floppy drive enabled |
SW1/switch 5 |
off |
Floppy drive disabled |
SW1/switch 5 |
on |
I/O PORT ADDRESS CONFIGURATION | |||
Address |
SW1/switch 2 |
SW1/switch 3 |
SW1/switch 4 |
330-333h |
off |
off |
off |
334-337h |
on |
off |
off |
230-233h |
off |
on |
off |
234-237h |
on |
on |
off |
130-133h |
off |
off |
on |
134-137h |
on |
off |
on |
Reserved |
off |
on |
on |
Reserved |
on |
on |
on |
BIOS ADDRESS CONFIGURATION | |||
Address |
SW1/switch 6 |
SW1/switch 7 |
SW1/switch 8 |
DC000h |
off |
off |
off |
D8000h |
on |
off |
off |
D4000h |
off |
on |
off |
D0000h |
on |
on |
off |
CC000h |
off |
off |
on |
C8000h |
on |
off |
on |
Reserved |
off |
on |
on |
Disabled |
on |
on |
on |