ADAPTEC, INC.
AHA-1520A, AHA1522A
| |
Data bus: |
16-bit ISA |
Size: |
Half-length, full-height card |
Hard drive supported: |
Up to seven SCSI devices |
Floppy drives supported: |
None |
CONNECTIONS | |
Function |
Location |
50-pin SCSI connector - external |
CN1 |
50-pin SCSI connector - internal |
CN2 |
34-pin floppy controller - 1522A only |
CN3 |
SCSI ID SELECTION | ||||
SCSI ID |
J6/1 |
J6/2 |
J6/3 | |
» |
7 |
closed |
closed |
closed |
0 |
open |
open |
open | |
1 |
closed |
open |
open | |
2 |
open |
closed |
open | |
3 |
closed |
closed |
open | |
4 |
open |
open |
closed | |
5 |
closed |
pen |
closed | |
6 |
open |
closed |
closed |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
Factory configured - do not alter |
J5/1 |
open |
» |
INT 19 is re-routed |
J5/2 |
closed |
INT 19 is not re-routed |
J5/2 |
open | |
» |
Sync. negotiation enabled |
J5/5 |
closed |
Sync. negotiation disabled |
J5/5 |
open | |
» |
Disconnect by target SCSI device enabled |
J5/6 |
closed |
Disconnect by target SCSI device disabled |
J5/6 |
open | |
» |
Factory configured - do not alter |
J5/7 |
open |
» |
Factory configured - do not alter |
J5/8 |
open |
» |
Factory configured - do not alter |
J6/6 |
open |
» |
Factory configured - do not alter |
J6/7 |
open |
» |
SCSI parity check enabled |
J6/8 |
open |
SCSI parity check disabled |
J6/8 |
closed | |
» |
Floppy drive enabled (only on 1522A) |
J7 |
closed |
Floppy drive disabled (only on 1522A) |
J7 |
open | |
» |
Factory configured - do not alter |
J8/1-8 |
open |
» |
Adapter I/O address is 340h |
J9/5 |
open |
Adapter I/O address is 140h |
J9/5 |
closed | |
» |
Host adapter BIOS enabled |
J9/8 |
closed |
Host adapter BIOS disabled |
J9/8 |
open | |
Note: When connecting both external & internal devices to the host adapter - remove terminators |
MESSAGES AT BOOT-UP | |||
Message |
J5/3 |
J5/4 | |
» |
Adapter header |
open |
open |
Error messages |
closed |
closed | |
Boot progress report |
open |
closed | |
SCSI device information |
closed |
open |
BIOS ADDRESS SELECTION | |||
Address |
J9/6 |
J9/7 | |
» |
DFFFFh |
closed |
closed |
CBFFFh |
open |
open | |
CFFFFh |
open |
closed | |
DBFFFh |
closed |
open |
INTERRUPT SELECTION | |||||||
IRQ |
J6/4 |
J6/5 |
J9/1 |
J9/2 |
J9/3 |
J9/4 | |
» |
11 |
open |
closed |
open |
closed |
open |
open |
9 |
open |
open |
open |
open |
open |
closed | |
10 |
closed |
open |
open |
open |
closed |
open | |
12 |
closed |
closed |
closed |
open |
open |
open |