MB108 Hard Disk/Floppy Controller Settings and Configuration
NORTHGATE COMPUTER SYSTEMS, INC.
MB108
Data bus: | 16-bit, ISA |
Size: | Half-length, full-height card |
Hard drive supported: | Two IDE (AT) Interface drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function | Location |
34-pin control cable connector - (reserved for future use) | J1 |
34-pin control cable connector - floppy drive | J2 |
4-pin connector - Drive active LED | J3 |
40-pin IDE(AT) Interface connector | J6 |
USER CONFIGURABLE SETTINGS | |||
Function | Location | Setting | |
| » | Hard drive Interrupt Request IRQ14 enabled | W21 | closed |
Hard drive Interrupt Request IRQ14 disabled | W21 | open | |
HARD DRIVE PORT ADDRESS | |||
Function | SW1/jumper 1 | SW1/jumper 2 | |
| » | Hard drive port address is 1F0-1F7h | closed | open |
Hard drive port address is 170-177h | open | closed | |
FLOPPY DRIVE PORT ADDRESS | |||
Function | SW1/jumper 1 | SW1/jumper 2 | |
| » | Floppy drive port address is 3F0-3F7h | closed | open |
Floppy drive port address is 370-377h | open | closed | |
MISCELLANEOUS TECHNICAL NOTES |
Jumpers J4 (Drive-type 300Kb/sec) is factory configured to pins 2 & 3 closed - do not alter J5 (Pump/Precomp) is factory configured to pins 1 & 2 closed - do not alter. |
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