DTC3274VL (900176-89XX) Hard Disk/Floppy Controller Settings and Configuration
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. |
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