OMTI 9542 Hard Disk/Floppy Controller Settings and Configuration
SCIENTIFIC MICRO SYSTEMS, INC.
OMTI 9542
Data bus: | 16-bit, ISA |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Up to 7 SCSI devices |
Floppy drives supported: | None |
CONNECTIONS | |
Function | Location |
4-pin connector - drive active LED | J1 |
34-pin floppy drive connector | J2 |
50-pin SCSI connector - internal | J3 |
50-pin SCSI connector - external | J4 |
SCSI ID | ||||
SCSI ID | SW1/1 | SW1/2 | SW1/3 | |
| » | 7 | on | on | on |
| 0 | off | off | off | |
| 1 | on | off | off | |
| 2 | off | on | off | |
| 3 | on | on | off | |
| 4 | off | off | on | |
| 5 | on | off | on | |
| 6 | off | on | on | |
USER CONFIGURABLE SETTINGS | |||
| Function | Location | Setting | |
| » | SCSI parity enabled | SW1/4 | on |
| SCSI parity disabled | SW1/4 | off | |
| » | Auto SCSI sense enabled | SW1/5 | on |
| Auto SCSI sense disabled | SW1/5 | off | |
| » | Sync negotiation disabled | SW1/6 | on |
| Sync negotiation enabled | SW1/6 | off | |
| » | Floppy primary address is 3Fxh | W14 | open |
| Floppy secondary address is 37xh | W14 | closed | |
| » | I/O channel ready enabled | W17/pins 1 & 2 | closed |
| I/O channel ready disabled | W17/pins 2 & 3 | closed | |
INTERRUPT SELECTION | ||||||||||
IRQ | SW2/6 | SW2/7 | SW2/8 | W3 | W4 | W5 | W6 | W7 | W8 | |
| » | 11 | on | on | on | open | open | open | closed | open | open |
| 9 | on | off | on | open | open | open | open | open | closed | |
| 10 | off | on | on | open | open | open | open | closed | open | |
| 12 | off | off | on | open | open | closed | open | open | open | |
| 14 | on | on | off | open | closed | open | open | open | open | |
| 15 | off | on | off | closed | open | open | open | open | open | |
Rsrvd. | off | off | off | N/A | N/A | N/A | N/A | N/A | N/A | |
Rsrvd. | on | off | off | N/A | N/A | N/A | N/A | N/A | N/A | |
DMA SELECTION | |||
DMA | SW1/7 | SW1/8 | |
| » | 5 | on | on |
| 6 | off | on | |
| 7 | on | off | |
Disabled | off | off | |
FLOPPY DISK CONTROLLER CONFIGURATION | ||
Controller | W15 | W16 |
Enabled | closed | closed |
Disabled | open | open |
DMA TRANSFER RATE | |||
Transfer Rate | W11 | W13 | |
| » | 5.0 MB/sec | open | open |
| 5.7 MB/sec | open | closed | |
| 6.7 MB/sec | closed | open | |
| 8.0 MB/sec | closed | closed | |
I/O BASE ADDRESS | ||||
Address | SW2/1 | SW2/2 | SW2/3 | |
| » | 330h-333h | on | on | on |
| 130h-133h | on | off | on | |
| 134h-137h | on | off | off | |
| 230h-233h | off | on | on | |
| 234h-237h | off | on | off | |
| 334h-237h | on | on | off | |
| Reserved | off | off | off | |
| Reserved | off | off | on | |
BIOS BASE ADDRESS | ||
Address | SW2/4 | SW2/5 |
0DC000h | on | on |
0C8000h | off | off |
0CC000h | on | off |
0D8000h | off | on |
MISCELLANEOUS TECHNICAL NOTES |
The terminators must remain installed. |
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