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 (CON’T) | ||||||
|
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 (CON’T) | |||||
|
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 | |