SCIENTIFIC MICRO SYSTEMS, INC.
OMTI 9542
|
| |
|
Data bus: |
16-bit, ISA |
|
Size: |
Three/quarter-length, full-height card |
|
Hard drive supported: |
Up to 7 SCSI devices |
|
Floppy drives supported: |
None |
|
CONNECTIONS | |
|
Function |
Location |
|
4-pin connector - drive active LED |
J1 |
|
34-pin floppy drive connector |
J2 |
|
50-pin SCSI connector - internal |
J3 |
|
50-pin SCSI connector - external |
J4 |
|
SCSI ID | ||||
|
SCSI ID |
SW1/1 |
SW1/2 |
SW1/3 | |
|
7 |
on |
on |
on | |
|
0 |
off |
off |
off | |
|
1 |
on |
off |
off | |
|
2 |
off |
on |
off | |
|
3 |
on |
on |
off | |
|
4 |
off |
off |
on | |
|
5 |
on |
off |
on | |
|
6 |
off |
on |
on | |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
SCSI parity enabled |
SW1/4 |
on | |
|
SCSI parity disabled |
SW1/4 |
off | |
|
Auto SCSI sense enabled |
SW1/5 |
on | |
|
Auto SCSI sense disabled |
SW1/5 |
off | |
|
Sync negotiation disabled |
SW1/6 |
on | |
|
Sync negotiation enabled |
SW1/6 |
off | |
|
Floppy primary address is 3Fxh |
W14 |
open | |
|
Floppy secondary address is 37xh |
W14 |
closed | |
|
I/O channel ready enabled |
W17/pins 1 & 2 |
closed | |
|
I/O channel ready disabled |
W17/pins 2 & 3 |
closed | |
|
INTERRUPT SELECTION | ||||||||||
|
IRQ |
SW2/6 |
SW2/7 |
SW2/8 |
W3 |
W4 |
W5 |
W6 |
W7 |
W8 | |
|
11 |
on |
on |
on |
open |
open |
open |
closed |
open |
open | |
|
9 |
on |
off |
on |
open |
open |
open |
open |
open |
closed | |
|
10 |
off |
on |
on |
open |
open |
open |
open |
closed |
open | |
|
12 |
off |
off |
on |
open |
open |
closed |
open |
open |
open | |
|
14 |
on |
on |
off |
open |
closed |
open |
open |
open |
open | |
|
15 |
off |
on |
off |
closed |
open |
open |
open |
open |
open | |
|
Rsrvd. |
off |
off |
off |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A | |
|
Rsrvd. |
on |
off |
off |
N/A |
N/A |
N/A |
N/A |
N/A |
N/A | |
|
DMA SELECTION | |||
|
DMA |
SW1/7 |
SW1/8 | |
|
5 |
on |
on | |
|
6 |
off |
on | |
|
7 |
on |
off | |
|
Disabled |
off |
off | |
|
FLOPPY DISK CONTROLLER CONFIGURATION | ||
|
Controller |
W15 |
W16 |
|
Enabled |
closed |
closed |
|
Disabled |
open |
open |
|
DMA TRANSFER RATE | |||
|
Transfer Rate |
W11 |
W13 | |
|
5.0 MB/sec |
open |
open | |
|
5.7 MB/sec |
open |
closed | |
|
6.7 MB/sec |
closed |
open | |
|
8.0 MB/sec |
closed |
closed | |
|
I/O BASE ADDRESS | ||||
|
Address |
SW2/1 |
SW2/2 |
SW2/3 | |
|
330h-333h |
on |
on |
on | |
|
130h-133h |
on |
off |
on | |
|
134h-137h |
on |
off |
off | |
|
230h-233h |
off |
on |
on | |
|
234h-237h |
off |
on |
off | |
|
334h-237h |
on |
on |
off | |
|
Reserved |
off |
off |
off | |
|
Reserved |
off |
off |
on | |
|
BIOS BASE ADDRESS | ||
|
Address |
SW2/4 |
SW2/5 |
|
0DC000h |
on |
on |
|
0C8000h |
off |
off |
|
0CC000h |
on |
off |
|
0D8000h |
off |
on |
|
MISCELLANEOUS TECHNICAL NOTES |
|
The terminators must remain installed. |