OLIVETTI
ASC-1 (BK09A)
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 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Synchronous Negotiation disabled | J5/1 | Open |
Synchronous Negotiation enabled | J5/1 | Closed | |
» | SCSI parity check enabled | J5/2 | Open |
SCSI parity check disabled | J5/2 | Closed | |
» | Factory configured - do not alter | J5/3 | Open |
» | On-board BIOS enabled | J6/1 | Closed |
On-board BIOS disabled | J6/1 | Open | |
» | Factory configured - do not alter | J6/2 | N/A |
» | Factory configured - do not alter | J6/3 | N/A |
» | Factory configured - do not alter | J6/4 | N/A |
» | Auto-sense disabled | J6/5 | Closed |
Auto-sense enabled | J6/5 | Open | |
» | Factory configured - do not alter | J7/1 | N/A |
BIOS ADDRESS SELECTION (MAINBOARDS M480-10 AND M480-20 ONLY) | ||
Address | J7/7 | J7/8 |
C8000-CBFFFh | Closed | Closed |
CC000-CFFFFh | Closed | Open |
D8000-DBFFFh | Open | Closed |
DC000-DFFFFh | Open | Open |
BASE I/O ADDRESS SELECTION | ||||
Address | J7/2 | J7/3 | J7/4 | |
130h | Closed | Open | Closed | |
134h | Open | Open | Closed | |
230h | Closed | Closed | Open | |
234h | Open | Closed | Open | |
» | 330h | Closed | Open | Open |
334h | Open | Open | Open |
WAIT STATE SELECTION (MAINBOARDS M480-10 AND M480-20 ONLY) | |||
Setting | J7/5 | J7/6 | |
» | IOCHRDY signal disabled | Open | Open |
100 ns | Closed | Open | |
200 ns | Open | Closed | |
300 ns | Closed | Closed |
SCSI ID SELECTION | ||||
SCSI ID | J5/4 | J5/5 | J5/6 | |
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 | |
» | 7 | Open | Open | Open |
AT INTERRUPT CHANNEL SELECTION | ||||||||||
IRQ | J5/9 | J5/10 | J5/11 | J9/9 | J9/10 | J9/11 | J9/12 | J9/13 | J9/14 | |
9 | Open | Open | Open | Closed | Open | Open | Open | Open | Open | |
10 | Closed | Open | Open | Open | Closed | Open | Open | Open | Open | |
» | 11 | Open | Closed | Open | Open | Open | Closed | Open | Open | Open |
12 | Closed | Closed | Open | Open | Open | Open | Closed | Open | Open | |
14 | Open | Open | Closed | Open | Open | Open | Open | Closed | Open | |
15 | Closed | Open | Closed | Open | Open | Open | Open | Open | Closed |
DMA SELECTION | |||||||
Channel | J5/7 | J5/8 | J9/1 | J9/2 | J9/3 | J9/4 | |
0 | N/A | N/A | Closed | Open | Open | Open | |
» | 5 | Open | Closed | Open | Closed | Open | Open |
6 | Closed | Open | Open | Open | Closed | Open | |
7 | Open | Open | Open | Open | Open | Closed | |
Note: Jumpers J9/5 through J9/8 are also used to select DMA Channel. |
DMA SELECTION (CONTINUED) | |||||
Channel | J9/5 | J9/6 | J9/7 | J9/8 | |
0 | Closed | Open | Open | Open | |
» | 5 | Open | Closed | Open | Open |
6 | Open | Open | Closed | Open | |
7 | Open | Open | Open | Closed | |
Note: Jumpers J5/7, J5/8, and J9/1 through J9/4 are also used to select DMA Channel. |
DMA TRANSFER SPEED SELECTION | |||
Speed | J5/12 | J5/13 | |
» | 5.0 MB/s | Open | Open |
5.7 MB/s | Closed | Open | |
6.7 MB/s | Open | Closed | |
8.0 MB/s | Closed | Closed |
MISCELLANEOUS TECHNICAL NOTES |
Jumper J6/1 should not be inserted when the system is in AT configuration with the BIOS of the magnetic peripherals on the mainboard. |