DATA TECHNOLOGY CORPORATION
DTC3274VL (900176-89XX)
| |
Data bus: |
32-bit VL-Bus |
Size: |
Three/quarter-length, half-height card |
Hard drive supported: |
Up to seven SCSI devices |
Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, 1.44MB drives |
CONNECTIONS | |
Function |
Location |
34-pin cable connector - floppy drive |
JP5 |
50-pin SCSI connector - internal |
JP7 |
50-pin SCSI connector - external |
JP8 |
4-pin connector - drive active LED |
JP10 |
SCSI ID SELECTION | ||||
SCSI ID |
SW11 |
SW12 |
SW13 | |
» |
7 |
off |
off |
off |
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 |
USER CONFIGURABLE SETTINGS | |||
Function |
Location |
Setting | |
» |
BIOS support 2 hard drives |
JP1 |
open |
BIOS support 3 or more hard drives |
JP1 |
closed | |
» |
Factory configured - do not alter |
JP2 |
open |
» |
BIOS enabled |
JP3 |
closed |
BIOS disabled |
JP3 |
open | |
» |
Factory configured - do not alter |
JP4 |
open |
» |
Factory configured - do not alter |
JP6/pins 1 & 2 |
N/A |
» |
Active termination enabled |
JP9 |
open |
Active termination disabled |
JP9 |
closed | |
» |
Factory configured - do not alter |
JP11/pins 2 & 3 |
N/A |
» |
Factory configured - do not alter |
JP12 |
open |
» |
Factory configured - do not alter |
JP13 |
open |
» |
Factory configured - do not alter |
JP14 |
open |
» |
Factory configured - do not alter |
JP15 |
open |
» |
CPU clock <=33MHz |
SW1 |
off |
CPU clock >33MHz |
SW1 |
on | |
» |
Factory configured - do not alter |
SW8 |
N/A |
» |
Synchronous Negotiation disabled |
SW14 |
on |
Synchronous Negotiation enabled |
SW14 |
off | |
» |
Fast synchronous transfer disabled |
SW15 |
on |
Fast synchronous transfer enabled |
SW15 |
off | |
» |
Floppy disk controller enabled |
SW16 |
off |
Floppy disk controller disabled |
SW16 |
on | |
» |
SCSI parity enabled |
SW17 |
off |
SCSI parity disabled |
SW17 |
on | |
» |
Factory configured - do not alter |
SW18 |
N/A |
BASE I/O ADDRESS SELECTION | |||
Address |
SW2 |
SW3 | |
» |
330h |
off |
off |
130h |
on |
on | |
230h |
on |
off | |
334h |
off |
on |
BIOS ADDRESS SELECTION | |||
Address |
SW4 |
SW5 | |
» |
C800-CBFFh |
off |
off |
CC00-CCFFh |
off |
on | |
D800-DBFFh |
on |
off | |
DC00-DFFFh |
on |
on |
INTERRUPT SELECTION | |||
IRQ |
SW6 |
SW7 | |
» |
11 |
on |
off |
10 |
on |
on | |
12 |
off |
on | |
15 |
off |
off |
MISCELLANOUS TECHNICAL NOTES |
DTC 3274VL can support floptical drives through an ASPI utility. |