AHA-1540C, AHA-1542C Hard Disk/Floppy Controller Settings and Configuration
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 |
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