SCIENTIFIC MICRO SYSTEMS
OMTI 5527B
|
Data bus: |
8-bit ISA |
|
Size: |
Half-length, full-height card |
|
Hard drive supported: |
Two RLL ST-506/412 drives |
|
Floppy drives supported: |
None |
|
CONNECTIONS | |
|
Function |
Location |
|
34-pin control cable connector - hard drive |
J1 |
|
20-pin data cable connector - drive 1 |
J2 |
|
20-pin data cable connector - drive 2 |
J3 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
BIOS controller enabled |
W7 |
Open | |
|
BIOS controller disabled |
W7 |
Closed | |
|
BIOS controller address is C8000h |
W8 |
Open | |
|
BIOS controller address is CA000h |
W8 |
Closed | |
|
HARD DISK TYPE SELECTION FOR DRIVES 0 AND 1 (BIOS 1002312-R7) | |||||||
|
Model |
Cylinder Nbr. |
Head Nbr. |
Step Rate ( m |
W1 |
W2 |
W3 |
W4 |
|
Lapine Titan (3.5 in.) |
615 |
4 |
25 |
Open |
Open |
Open |
Open |
|
Maxtor XT-1085 |
1024 |
8 |
10 |
Closed |
Closed |
Closed |
Open |
|
Maxtor XT-1140 |
918 |
15 |
10 |
Closed |
Open |
Closed |
Closed |
|
Miniscribe 3425 |
612 |
4 |
25 |
Closed |
Open |
Closed |
Open |
|
Microscience HH7156 |
12 |
4 |
25 |
Open |
Open |
Closed |
Open |
|
NEC D3126 (3.5 in.) |
640 |
8 |
25 |
Open |
Open |
Closed |
Closed |
|
NEC 5126 |
612 |
4 |
25 |
Closed |
Open |
Closed |
Open |
|
Newbury Data Penny |
612 |
8 |
25 |
Open |
Closed |
Open |
Closed |
|
Rodime RO352 |
306 |
4 |
25 |
Closed |
Open |
Open |
Open |
|
Rodime R0204E |
640 |
8 |
25 |
Open |
Open |
Closed |
Closed |
|
Seagate ST238 |
615 |
4 |
25 |
Open |
Open |
Open |
Open |
|
Syquest SQ 319 |
615 |
2 |
25 |
Closed |
Closed |
Open |
Open |
|
Tandon TM 502 |
306 |
4 |
25 |
Open |
Closed |
Open |
Open |
|
Tandon TM755 |
980 |
5 |
25 |
Closed |
Closed |
Open |
Closed |
|
Toshiba MK54FB |
830 |
7 |
10 |
Closed |
Open |
Open |
Closed |
|
Toshiba MK56FB |
830 |
10 |
10 |
Open |
Closed |
Closed |
Open |
|
Tulin R0202E |
640 |
4 |
25 |
Closed |
Closed |
Closed |
Closed |
|
Vertex/Priam V150 |
987 |
5 |
10 |
Open |
Open |
Open |
Closed |
|
Note: Install jumpers W1 through W4 in a two-drive system only when both drives are the same model and the model is listed above. If drive model is not listed above, do not install W1 through W4. The Miniscribe 3425, Tandon TM 502 and Tandon TM755 models listed above are characterized by Reduce Write Current at cylinder numbers 128, 128, 700 respectively. | |||||||
|
HARD DISK TYPE SELECTION FOR DRIVES 0 AND 1 (BIOS 1002571-R10) | ||||||
|
Model |
Cylinder Nbr. |
Head Nbr. |
W1 |
W2 |
W3 |
W4 |
|
Atasi 3085 |
1024 |
8 |
Closed |
Closed |
Closed |
Closed |
|
Lapine LT300 |
616 |
4 |
Open |
Open |
Closed |
Closed |
|
Microscience HH330 |
612 |
4 |
Open |
Closed |
Closed |
Closed |
|
Microscience HH738 |
612 |
4 |
Open |
Closed |
Closed |
Closed |
|
Miniscribe 3438 |
615 |
4 |
Open |
Open |
Open |
Open |
|
Miniscribe 8438 |
612 |
4 |
Open |
Closed |
Closed |
Closed |
|
Peripheral Tech 357R |
615 |
6 |
Closed |
Open |
Closed |
Closed |
|
Priam V170 |
987 |
7 |
Closed |
Closed |
Open |
Closed |
|
Priam V185 |
1166 |
7 |
Open |
Closed |
Open |
Closed |
|
Priam 514 |
1224 |
11 |
Closed |
Open |
Open |
Closed |
|
Priam 519 |
1224 |
15 |
Open |
Open |
Open |
Closed |
|
Seagate ST238R |
615 |
4 |
Open |
Open |
Open |
Open |
|
Seagate ST251R |
820 |
4 |
Closed |
Closed |
Closed |
Open |
|
Seagate ST277R |
820 |
6 |
Open |
Closed |
Closed |
Open |
|
Seagate ST4077R |
1024 |
5 |
Closed |
Open |
Closed |
Open |
|
Seagate ST4144R |
1024 |
9 |
Closed |
Open |
Closed |
Open |
|
Tobshiba MK53FB |
830 |
5 |
Closed |
Closed |
Open |
Open |
|
Toshiba MK54FB |
830 |
7 |
Open |
Closed |
Open |
Open |
|
Toshiba MK56FB |
830 |
10 |
Closed |
Open |
Open |
Open |
|
Note: Install jumpers W1 through W4 in a two-drive system, only when both drives are the same model and that model is listed above. If drive model is not listed above, do not install W1 through W4. | ||||||
|
HARD DISK I/O ADDRESS SELECTION | |||
|
Address |
W5 |
W6 | |
|
320h |
Open |
Open | |
|
324h |
Closed |
Open | |
|
328h |
Open |
Closed | |
|
32Ch |
Closed |
Closed | |