DATA TECHNOLOGY CORPORATION
DTC3250
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Data bus: 8-bit, ISA
Size: Half-length, full-height card
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: Three 360KB or 720KB
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CONNECTIONS | |
|
Function |
Location |
|
50-pin SCSI connector-internal |
CN1 |
|
50-pin SCSI connector-external |
CN2 |
|
34-pin data cable connector-floppy drive |
CN3 |
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BIOS ADDRESS | |||
|
Address |
SW2/switch 5 |
SW2/switch 6 | |
|
D800h |
off |
off | |
|
DC00h |
on |
off | |
|
C800h |
off |
on | |
|
CC00h |
on |
on | |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Floppy port address 3F2-3F7h |
JP1 |
pins 1 & 2 closed | |
|
Floppy port address 372-377h |
JP1 |
pins 2 & 3 closed | |
|
Normal operation |
JP2 |
pins 2 & 3 closed | |
|
Factory test enabled |
JP2 |
pins 1 & 2 closed | |
|
SCSI parity check disabled |
SW1/switch 3 |
on | |
|
SCSI parity check enabled |
SW1/switch 3 |
off | |
|
Dual-speed floppy supported |
SW2/switch 7 |
on | |
|
Single-speed floppy supported |
SW2/switch 7 |
off | |
|
PS/2-type floppy on Drive Select 2 not supported |
SW2/switch 8 |
on | |
|
PS/2-type floppy drive on Drive Select 2 supported |
SW2/switch 8 |
off | |
|
Floppy drive disabled |
SW2/switch 9 |
off | |
|
Floppy drive enabled |
SW2/switch 9 |
on | |
|
Normal operation mode |
SW2/switch 10 |
off | |
|
Factory test enabled |
SW2/switch 10 |
on | |
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INTERRUPT REQUEST SWITCHES - SW1 AND SW2 | |||||||
|
INTERRUPT "A" |
INQUIRY INTERRUPT "B" | ||||||
|
# |
SW1/1 |
SW1/2 |
SW2/1 |
SW2/2 |
SW2/3 |
SW2/4 | |
|
4 |
on |
on |
off |
off |
off |
on | |
|
5 |
off |
on |
off |
off |
on |
off | |
|
6 |
on |
off |
off |
on |
off |
off | |
|
7 |
off |
off |
on |
off |
off |
off | |
|
SCSI ADDRESS | ||||
|
SCSI ID |
SW1/switch 4 |
SW1/switch 5 |
SW1/switch 6 | |
|
0 |
on |
on |
on | |
|
1 |
off |
on |
on | |
|
2 |
on |
off |
on | |
|
3 |
off |
off |
on | |
|
4 |
on |
on |
off | |
|
5 |
off |
on |
off | |
|
6 |
on |
off |
off | |
|
7 |
off |
off |
off | |