OMTI 8600, 8610 Hard Disk/Floppy Controller Settings and Configuration
SCIENTIFIC MICRO SYSTEMS
OMTI 8600, 8610
Data bus: | 16-bit, ISA |
Size: | Full-length, full-height card |
Hard drives supported: | Two MFM ST506/ST412 drives or ESDI drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function | Location |
34-pin control cable connector - hard drive | J2 |
20-pin data cable connector - drive 0 | J3 |
20-pin data cable connector - drive 1 | J4 |
34-pin control cable connector - floppy drive | J7 |
2-pin connector - drive active LED | J12 |
DRIVE TYPE CONFIGURATION | |||||
Cylinders | Heads | W1 | W2 | W3 | W4 |
ESDI | ESDI | closed | closed | closed | closed |
918 | 15 | open | closed | closed | closed |
987 | 7 | closed | open | closed | closed |
697 | 5 | open | open | closed | closed |
306 | 4 | closed | closed | open | closed |
977 | 5 | open | closed | open | closed |
733 | 5 | closed | open | open | closed |
640 | 6 | open | open | open | closed |
640 | 4 | closed | closed | closed | open |
512 | 8 | open | closed | closed | open |
612 | 2 | closed | open | closed | open |
612 | 7 | open | open | closed | open |
615 | 4 | closed | closed | open | open |
612 | 4 | open | closed | open | open |
306 | 6 | closed | open | open | open |
306 | 4 | open | open | open | open |
HARD DRIVE PORT ADDRESS | ||||
Address | W5 | W6 | W22 | |
| » | 320h | open | open | closed |
324h | closed | open | closed | |
328h | open | closed | closed | |
32Ch | closed | closed | closed | |
1A0h | open | open | open | |
1A4h | closed | open | open | |
1A8h | open | closed | open | |
1ACh | closed | closed | open | |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Floppy drive port address is 3F0-3F7h | W7 | closed |
Floppy drive port address is 370-377h | W7 | open | |
| » | Drive 0 sector type is soft | W10 | open |
Drive 0 sector type is hard | W10 | closed | |
| » | Drive 0 set for ST506 drive | W11 | open |
Drive 0 set for ESDI drive | W11 | closed | |
| » | Drive 0 set for fixed media drive | W12 | open |
Drive 0 set for removable media drive | W12 | closed | |
| » | Drive 1 sector type is soft | W13 | open |
Drive 1 sector type is hard | W13 | closed | |
| » | Drive 1 set for ST506 drive | W14 | open |
Drive 1 set for ESDI drive | W14 | closed | |
| » | Drive 1 set for fixed media drive | W15 | open |
Drive 1 set for removable media drive | W15 | closed | |
BYTES PER SECTOR | |||
Bytes per sector/sectors per track | W8 | W9 | |
| » | 512/17 | open | open |
512/18 | closed | open | |
1024/9 | open | closed | |
1056/9 | closed | closed | |
MISCELLANEOUS TECHNICAL NOTES |
Jumpers W21, W23, W24, W25 are factory configured - do not alter. |
My Books
