SCIENTIFIC MICRO SYSTEMS
OMTI 510, OMTI 510-HA-3, OMTI 510-HA-7
OMTI 512, OMTI 512-HA-3, OMTI 512-HA-7
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Data bus: |
8-bit, ISA |
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Size: |
Half-length, half-height card |
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Hard drive supported: |
Up to seven SCSI devices |
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Floppy drives supported: |
None |
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CONNECTIONS | |
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Function |
Location |
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50-pin SCSI connector - internal |
J1 |
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37-pin SCSI connector - external (OMTI512 only) |
J2 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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SCSI Busy signal enabled |
W1 |
pins 2 & 3 closed | |
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SCSI Busy signal disabled |
W1 |
pins 1 & 2 closed | |
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SCSI Message signal enabled |
W2 |
pins 2 & 3 closed | |
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SCSI Message signal disabled |
W2 |
pins 1 & 2 closed | |
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SCSI parity check enabled |
W4 |
pins 2 & 3 closed | |
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SCSI parity check disabled |
W4 |
pins 1 & 2 closed | |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
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BIOS enabled |
W7 |
open | |
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BIOS disabled |
W7 |
closed | |
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BIOS address is C800h |
W8 |
open | |
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BIOS address is CA00h |
W8 |
closed | |
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28-pin EPROM type enabled |
W9 and W10 |
pins 1 & 2 closed | |
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24-pin EPROM type enabled |
W9 and W10 |
pins 2 & 3 closed* | |
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SCSI Receive parity disabled |
W11 |
pins 1 & 2 closed | |
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SCSI Receive parity enabled |
W11 |
pins 2 & 3 closed | |
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Note: Cut the foil trace between pins 1 & 2 on Jumpers W9 and W10 if closing pins 2 & 3 | |||
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I/O PORT ADDRESS | |||
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Address |
Jumper W6 |
Jumper W5 | |
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320h |
open |
open | |
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324h |
open |
closed | |
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328h |
closed |
open | |
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32Ch |
closed |
closed | |
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MISCELLANEOUS TECHNICAL NOTES |
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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) |