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