ADAPTEC, INC.
AHA-1520, AHA-1522
|
|
Data
|
bus: |
16-bit, ISA |
|
Size: |
Half-length, full-height card |
|
Hard drives supported: |
Up to seven SCSI devices |
|
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB or 1.44MB |
|
CONNECTIONS | |
|
Function |
Location |
|
34-pin data cable connector-floppy drive |
CN1 |
|
50-pin SCSI cable connector-internal |
CN2 |
|
50-pin SCSI cable connector-external |
CN3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Data transfer in DMA disabled |
J5/jumper 1 |
open | |
|
Data transfer in DMA enabled |
J5/jumper 1 |
closed | |
|
Boot enabled (Intercept INT19 call) |
J5/jumper 2 |
closed | |
|
Boot disabled (INT19 normal) |
J5/jumper 2 |
open | |
|
Synchronous negotiation enabled |
J5/jumper 5 |
closed | |
|
Synchronous negotiation disabled |
J5/jumper 5 |
open | |
|
Disconnect by target / INT15 enabled |
J5/jumper 6 |
closed | |
|
Disconnect by target / INT15 disabled |
J5/jumper 6 |
open | |
|
Factory configured - do not alter |
J5/jumpers 7 & 8 |
open | |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
SCSI parity check enabled |
J6/jumper 8 |
open | |
|
SCSI parity check disabled |
J6/jumper 8 |
closed | |
|
Floppy drive enabled |
J7/jumper 1 |
closed | |
|
Floppy drive disabled |
J7/jumper 1 |
open | |
|
Floppy drive Interrupt is IRQ6 |
J7/jumper 6 |
closed | |
|
Floppy drive Interrupt is IRQ10 |
J7/jumper 7 |
closed | |
|
Floppy drive-dual speed disabled |
J7/jumper 8 |
open | |
|
Floppy drive-dual speed enabled |
J7/jumper 8 |
closed | |
|
I/O port address 340h |
J9/jumper 5 |
open | |
|
I/O port address 140h |
J9/jumper 5 |
closed | |
|
SCSI ADDRESS | ||||
|
SCSI ID |
J6/jumper 1 |
J6/jumper 2 |
J6/jumper 3 | |
|
0 |
open |
open |
open | |
|
1 |
closed |
open |
open | |
|
2 |
open |
closed |
open | |
|
3 |
closed |
closed |
open | |
|
4 |
open |
open |
closed | |
|
5 |
closed |
open |
closed | |
|
6 |
open |
closed |
closed | |
|
7 |
closed |
closed |
closed | |
|
DMA CHANNEL | |||||||
|
DMA |
J6/6 |
J6/7 |
J8/1 & 5 |
J8/2 & 6 |
J8/3 & 7 |
J8/4 & 8 | |
|
7 |
closed |
closed |
closed |
open |
open |
open | |
|
6 |
open |
closed |
open |
closed |
open |
open | |
|
5 |
closed |
open |
open |
open |
closed |
open | |
|
0 |
open |
open |
open |
open |
open |
closed | |
|
INTERRUPT REQUEST | |||||||
|
IRQ |
J6/4 |
J6/5 |
J9/1 |
J9/2 |
J9/3 |
J9/4 | |
|
IRQ9 |
open |
open |
open |
open |
open |
closed | |
|
IRQ10 |
closed |
open |
open |
open |
closed |
open | |
|
IRQ11 |
open |
closed |
open |
closed |
open |
open | |
|
IRQ12 |
closed |
closed |
closed |
open |
open |
open | |
|
BIOS ADDRESS | ||||
|
Address |
J9/jumper 6 |
J9/jumper 7 |
J9/jumper 8 | |
|
DC000h |
closed |
closed |
closed | |
|
C8000h |
open |
open |
closed | |
|
CC000h |
open |
closed |
closed | |
|
D8000h |
closed |
open |
closed | |
|
Disabled |
N/A |
N/A |
open | |
|
FLOPPY DRIVE DMA - J7 | |||||
|
DRQ |
DACK | ||||
|
DMA |
Jumper 2 |
Jumper 3 |
Jumper 4 |
Jumper 5 | |
|
DMA Channel 2 |
closed |
open |
closed |
open | |
|
DMA Channel 3 |
open |
closed |
open |
closed | |
|
MESSAGE SELECT MSG #0 - ADAPTEC HEADERMSG #1 - JUMPER CONFIG. INFO. MSG #2 - SCSI DEVICE INFO. MSG #3 - BOOT PROGRESS INFO.MSG #4 - ERROR MESSAGES | |||
|
Message |
JP5/jumper 3 |
JP5/jumper 4 | |
|
Msg #0 and #4 |
open |
open | |
|
Msg #0, #3 and #4 |
open |
closed | |
|
All messages displayed |
closed |
open | |
|
Msg #4 only |
closed |
closed | |