ADAPTEC, INC.
AHA-1540
| |
Data bus: |
16-bit ISA |
Size: |
Full-length, full-height card |
Hard drive supported: |
Up to seven SCSI drives |
Floppy drives supported: |
None |
CONNECTIONS | |
Function |
Location |
50-pin SCSI connector - internal |
CN1 |
2-pin connector - drive active LED |
LED |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
Synchronous negotiation disabled |
J1/A |
open | |
Synchronous negotiation enabled |
J1/A |
closed | |
Factory configured - do not alter |
J1/B |
open | |
Parity enabled |
J1/C |
open | |
Parity disabled |
J1/C |
closed | |
Wait state disabled |
J4 |
N/A | |
Wait state enabled |
J4 |
N/A |
SCSI ADDRESS CONFIGURATION | ||||
Address |
J1/D |
J1/E |
J1/F | |
7 |
open |
open |
open | |
0 |
closed |
closed |
closed | |
1 |
open |
closed |
closed | |
2 |
closed |
open |
closed | |
3 |
open |
open |
closed | |
4 |
closed |
closed |
open | |
5 |
open |
closed |
open | |
6 |
closed |
open |
open |
DMA CHANNEL SELECTION | ||||||
Channel |
J1/G |
J1/H |
J6/A |
J6/B |
J6/C | |
5 |
open |
closed |
open |
closed |
open | |
0 |
closed |
closed |
closed |
open |
open | |
6 |
closed |
open |
open |
open |
closed | |
7 |
open |
open |
open |
open |
open |
DMA CHANNEL SELECTION (CONT) | ||||||
Channel |
J6/D |
J7/A |
J7/B |
J7/C |
J7/D | |
5 |
open |
open |
closed |
open |
open | |
0 |
open |
closed |
open |
open |
open | |
6 |
open |
open |
open |
closed |
open | |
7 |
closed |
open |
open |
open |
closed |
AT INTERRUPT SELECTION | ||||||
IRQ |
J1/I |
J1/J |
J1/K |
J8/A |
J8/B | |
11 |
open |
closed |
open |
open |
open | |
9 |
open |
open |
open |
closed |
open | |
10 |
closed |
open |
open |
open |
closed | |
12 |
closed |
closed |
open |
open |
open | |
14 |
open |
open |
closed |
open |
open | |
15 |
closed |
open |
closed |
open |
open | |
Not defined |
open |
closed |
closed |
N/A |
N/A | |
Not defined |
closed |
closed |
closed |
N/A |
N/A |
AT INTERRUPT SELECTION (CONT) | |||||
IRQ |
J8/C |
J8/D |
J8/E |
J8/F | |
11 |
closed |
open |
open |
open | |
9 |
open |
open |
open |
open | |
10 |
open |
open |
open |
open | |
12 |
open |
closed |
open |
open | |
14 |
open |
open |
closed |
open | |
15 |
open |
open |
open |
closed |
PORT ADDRESS SELECTION | |||||||||
Address |
J9/A |
J9/B |
J9/C |
J9/D |
J9/E |
J9/F |
J9/G |
J9/H | |
330h |
open |
open |
closed |
closed |
open |
open |
closed |
closed | |
004h |
closed |
open |
open |
open |
open |
open |
open |
open | |
008h |
open |
closed |
open |
open |
open |
open |
open |
open | |
010h |
open |
open |
closed |
open |
open |
open |
open |
open | |
020h |
open |
open |
open |
closed |
open |
open |
open |
open | |
040h |
open |
open |
open |
open |
closed |
open |
open |
open | |
080h |
open |
open |
open |
open |
open |
closed |
open |
open | |
100h |
open |
open |
open |
open |
open |
open |
closed |
open | |
200h |
open |
open |
open |
open |
open |
open |
open |
closed |
AT BIOS ADDRESS SELECTION | ||||
Address |
J10/A |
J10/B |
J10/C | |
DC000h |
open |
open |
open | |
C8000h |
closed |
open |
closed | |
D8000h |
open |
open |
closed | |
CC000h |
closed |
open |
open |