SCIENTIFIC MICRO SYSTEMS
OMTI 5526, OMTI 5529
Data bus: 8-bit, ISA
Size: Half-length, full-height card
Hard drives supported: OMTI 5526:Two MFM ST506/ST412 drives
OMTI 5529:Two RLL ST506/ST412 drives
Floppy drives supported: None
Maximum heads/cyl.: 16 heads and 2048 cylinders
|
CONNECTIONS | |
|
Function |
Location |
|
34-pin control cable connector-hard drive |
J1 |
|
20-pin data cable connector-drive 0 |
J2 |
|
20-pin data cable connector-drive 1 |
J3 |
|
4-pin drive power connector |
J4 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Factory configured - do not alter |
W9 |
N/A | |
|
Factory configured - do not alter |
W10 |
N/A | |
|
Factory configured - do not alter |
W11 |
N/A | |
|
Factory configured - do not alter |
W12 |
N/A | |
|
Not documented |
W17-19 & W26-30 |
N/A | |
|
BIOS enabled |
W7 |
open | |
|
BIOS disabled |
W7 |
closed | |
|
BIOS base address is C800h |
W8 |
open | |
|
BIOS base address is CA00h |
W8 |
closed | |
|
Drive 0 soft sectored |
W11 |
open | |
|
Drive 0 hard sectored |
W11 |
closed | |
|
Drive 1 soft sectored |
W14 |
open | |
|
Drive 1 hard sectored |
W14 |
closed | |
|
I/O PORT ADDRESS | |||
|
Address |
Jumper W5 |
Jumper W6 | |
|
320h |
open |
open | |
|
324h |
closed |
open | |
|
328h |
open |
closed | |
|
32Ch |
closed |
closed | |
|
MISCELLANEOUS TECHNICAL NOTES |
|
W1 through W4 are used to configure the drive type. To support most of the drives on the market, there have been several different BIOS's offered. The different BIOS drive type tables are listed with the 5510; The jumper settings are the same for the 5526 and the 5526/9 |