SCIENTIFIC MICRO SYSTEMS, INC.
OMTI 5200 (REV. E), 5204 (REV. B), 5300 (REV. D),
5400 (REV. C)
|
| |
|
Data bus: |
50-pin SCSI interface |
|
Size: |
5.75" x 8" |
|
Hard drive supported: |
Up to three ST506/412 MFM drives (5300), up to four ST506/412 MFM drives (5200, 5204, 5400) |
|
Floppy drives supported: |
Two 360KB, 720KB (all except 5300) 1.2MB, 1.44MB (5200, 5400) |
|
CONNECTIONS | |
|
Function |
Location |
|
50-pin SCSI interface |
J1 |
|
34-pin MFM disk control connector |
J2 |
|
20-pin data cable connector |
J3 |
|
20-pin data cable connector |
J4 |
|
34-pin floppy drive connector (not in 5300) |
J7 |
|
50-pin tape drive connector (5300, 5400) |
J8 |
|
DC power connector |
J10 |
|
SCSI ADDRESS | |||||||||
|
SCSI ID |
W0/0 |
W0/1 |
W0/2 |
W0/3 |
W0/4 |
W0/5 |
W0/6 |
W0/7 | |
| » |
0 |
closed |
open |
open |
open |
open |
open |
open |
open |
| » |
1 |
open |
closed |
open |
open |
open |
open |
open |
open |
| » |
2 |
open |
open |
closed |
open |
open |
open |
open |
open |
| » |
3 |
open |
open |
open |
closed |
open |
open |
open |
open |
| » |
4 |
open |
open |
open |
open |
closed |
open |
open |
open |
| » |
5 |
open |
open |
open |
open |
open |
closed |
open |
open |
| » |
6 |
open |
open |
open |
open |
open |
open |
closed |
open |
| » |
7 |
open |
open |
open |
open |
open |
open |
open |
closed |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
| » |
SCSI parity enabled |
W1/pins 1 & 2 |
closed |
| » |
SCSI parity disabled |
W1/pins 2 & 3 |
closed |
| » |
QIC--02 (Tape drive) parity enabled (5300 & 5400) |
W2/pins 1 & 2 |
closed |
| » |
QIC--02 (Tape drive) parity disabled (5300 & 5400) |
W2/pins 2 & 3 |
closed |
| » |
LUN 0 supports ST506/412 MFM disk type |
W5 |
open |
| » |
LUN 0 supports flexible disk (5400, 5200, 5204) |
W5 |
closed |
| » |
LUN 0 is reserved (5300) |
W5 |
closed |
| » |
LUN 1 supports ST506/412 MFM disk type |
W6 |
open |
| » |
LUN 1 supports flexible disk (5400, 5200, 5204) |
W6 |
closed |
| » |
LUN 1 is reserved (5300) |
W6 |
closed |
| » |
LUN 2 supports ST506/412 MFM disk type |
W7 |
open |
| » |
LUN 2 supports flexible disk (5400, 5200, 5204) |
W7 |
closed |
| » |
LUN 2 is reserved (5300) |
W7 |
closed |
| » |
LUN 3 supports ST506/412 MFM disk type (5200, 5204) |
W8 |
open |
| » |
LUN 3 supports tape drive (5400, 5300) |
W8 |
open |
| » |
LUN 3 supports flexible disk (5400, 5200, 5204) |
W8 |
closed |
| » |
LUN 3 supports ST506/412 MFM disk type (5300) |
W8 |
closed |
| » |
Motor on signal always enabled (5200, 5204, 5400) |
W14 |
closed |
| » |
Motor on signal enabled by command |
W14 |
open |
| » |
Ready override signal for flexible disk enabled (for drives not supporting Ready signal) |
W15 |
closed |
| » |
Ready override signal for flexible disk disabled (for drives í supporting Ready signal) |
W15 |
open |
| » |
Factory configured - do not alter |
W17 |
N/A |
| » |
Factory configured - do not alter |
W18 |
N/A |
|
SECTOR CONFIGURATION | ||||
|
Bytes/Sector |
Sector/Track |
W3 |
W4 | |
| » |
256 |
32 |
closed |
open |
| » |
512 |
17 |
open |
closed |
|
512 |
18 |
open |
open | |
| » |
1024 |
9 |
closed |
closed |
|
MISCELLANEOUS TECHNICAL NOTES |
|
When installing ST506/412 fixed/removable, 2 LUNs are used which limits the number of the remaining LUNs and therefore the number of drives that can be supported. |