DATA TECHNOLOGY CORPORATION
DTC3250
|
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
CONNECTIONS | |
Function |
Location |
50-pin SCSI connector-internal |
CN1 |
50-pin SCSI connector-external |
CN2 |
34-pin data cable connector-floppy drive |
CN3 |
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 |
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 |