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OMTI 510, OMTI 510-HA-3, OMTI 510-HA-7
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:
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8-bit, ISA
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Size:
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Half-length, half-height card
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Hard drive supported:
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Up to seven SCSI devices
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Floppy drives supported:
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None
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CONNECTIONS
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Function
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Location
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50-pin SCSI connector - internal
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J1
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37-pin SCSI connector - external (OMTI512 only)
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J2
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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SCSI Busy signal enabled
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W1
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pins 2 & 3 closed
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SCSI Busy signal disabled
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W1
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pins 1 & 2 closed
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SCSI Message signal enabled
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W2
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pins 2 & 3 closed
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SCSI Message signal disabled
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W2
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pins 1 & 2 closed
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SCSI parity check enabled
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W4
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pins 2 & 3 closed
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SCSI parity check disabled
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W4
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pins 1 & 2 closed
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USER CONFIGURABLE SETTINGS
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Function
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Location
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Setting
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BIOS enabled
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W7
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open
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BIOS disabled
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W7
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closed
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BIOS address is C800h
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W8
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open
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BIOS address is CA00h
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W8
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closed
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28-pin EPROM type enabled
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W9 and W10
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pins 1 & 2 closed
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24-pin EPROM type enabled
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W9 and W10
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pins 2 & 3 closed*
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SCSI Receive parity disabled
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W11
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pins 1 & 2 closed
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SCSI Receive parity enabled
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W11
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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
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Jumper W6
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Jumper W5
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320h
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open
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open
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324h
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open
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closed
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328h
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closed
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open
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32Ch
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closed
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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)
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