AHA-1520A, AHA1522A Hard Disk/Floppy Controller Settings and Configuration
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 | |
My Books
