DATA TECHNOLOGY CORPORATION (DTC)
DTC3180 (JUMPER VER.), DTC3280 (JUMPER VER.)
Data bus: 16-bit, ISA.
Size: Half-length, full-height card.
Hard drives supported: Up to seven SCSI devices
Floppy drives supported: DTC3180A: None
DTC3280A: Four 360KB, 720KB, 1.2MB or 1.44 MB drives
CONNECTIONS | |
Function | Location |
50-pin SCSI connector-external | J1 |
50-pin SCSI connector-internal | J2 |
34-pin data cable connector-floppy drive (DTC3280A only) | J3 |
4-pin connector-drive active LED | J4 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
» | Single-speed floppy supported | W3/jumper 7 | open |
Dual-speed floppy supported | W3/jumper 7 | closed | |
» | PS/2-type floppy on Drive Select 2 not supported | W3/jumper 8 | closed |
PS/2-type floppy drive on Drive Select 2 supported | W3/jumper 8 | open | |
» | Floppy drive precomp. is scaled by data rate:
500KHz=125ns, 300KHz=208ns, 250KHz=250ns | W3/jumper 9 | open |
Floppy drive precompensation is 125ns | W3/jumper 9 | closed | |
» | Floppy drive enabled | W3/jumper 10 | closed |
Floppy drive disabled | W3/jumper 10 | open | |
» | Factory configured - do not alter | W4/jumper 3 | open |
» | Factory configured - do not alter | W4/jumper 4 | open |
» | SCSI parity check enabled | W4/jumper 5 | open |
SCSI parity check disabled | W4/jumper 5 | closed | |
» | 2KB SRAM selected | W1 | pins 2 & 3 closed |
8KB SRAM selected | W1 | pins 1 & 2 closed | |
» | Floppy drive address 3F2-3F7h | W2 | pins 1 & 2 closed |
Floppy drive address 372-377h | W2 | pins 2 & 3 closed |
INTERRUPT REQUEST | |||
IRQ | W4/jumper 1 | W4/jumper 2 | |
» | IRQ11 | open | closed |
IRQ12 | closed | open | |
IRQ10 | closed | closed | |
IRQ15 | open | open |
INQUIRY INTERRUPT REQUEST "B " OPTIONS | |||||
IRQ | W3/jumper 1 | W3/jumper 2 | W3/jumper 3 | W3/jumper 4 | |
» | IRQ11 | open | open | closed | open |
IRQ10 | open | open | open | closed | |
IRQ12 | open | closed | open | open | |
IRQ15 | closed | open | open | open | |
Disabled | open | open | open | open |
BIOS ADDRESS | |||
Address | W3/jumper 5 | W3/jumper 6 | |
» | D800h | open | open |
C800h | open | closed | |
DC00h | closed | open | |
CC00h | closed | closed |
SCSI ADDRESS | ||||
SCSI ID | W4/jumper 6 | W4/jumper 7 | W4/jumper 8 | |
0 | closed | closed | closed | |
1 | open | closed | closed | |
2 | closed | open | closed | |
3 | open | open | closed | |
4 | closed | closed | open | |
5 | open | closed | open | |
6 | closed | open | open | |
» | 7 | open | open | open |