SCIENTIFIC MICRO SYSTEMS
OMTI 510, OMTI 510-HA-3, OMTI 510-HA-7
OMTI 512, OMTI 512-HA-3, OMTI 512-HA-7
Data bus: | 8-bit, ISA |
Size: | Half-length, half-height card |
Hard drive supported: | Up to seven SCSI devices |
Floppy drives supported: | None |

CONNECTIONS | |
Function | Location |
50-pin SCSI connector - internal | J1 |
37-pin SCSI connector - external (OMTI512 only) | J2 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | SCSI Busy signal enabled | W1 | pins 2 & 3 closed |
SCSI Busy signal disabled | W1 | pins 1 & 2 closed | |
| » | SCSI Message signal enabled | W2 | pins 2 & 3 closed |
SCSI Message signal disabled | W2 | pins 1 & 2 closed | |
| » | SCSI parity check enabled | W4 | pins 2 & 3 closed |
SCSI parity check disabled | W4 | pins 1 & 2 closed | |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | BIOS enabled | W7 | open |
BIOS disabled | W7 | closed | |
| » | BIOS address is C800h | W8 | open |
BIOS address is CA00h | W8 | closed | |
| » | 28-pin EPROM type enabled | W9 and W10 | pins 1 & 2 closed |
24-pin EPROM type enabled | W9 and W10 | pins 2 & 3 closed* | |
| » | SCSI Receive parity disabled | W11 | pins 1 & 2 closed |
SCSI Receive parity enabled | W11 | pins 2 & 3 closed | |
Note: Cut the foil trace between pins 1 & 2 on Jumpers W9 and W10 if closing pins 2 & 3 | |||
I/O PORT ADDRESS | |||
Address | Jumper W6 | Jumper W5 | |
| » | 320h | open | open |
324h | open | closed | |
328h | closed | open | |
32Ch | closed | closed | |
MISCELLANEOUS TECHNICAL NOTES |
Jumper W3 is not used and should remain factory configured with pins 1 & 2 in the closed position. Do not disable SCSI Busy and Message signals (Jumpers W1 and W2) |