NORTHGATE COMPUTER SYSTEMS, INC.
MB108
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Data bus: |
16-bit, ISA |
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Size: |
Half-length, full-height card |
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Hard drive supported: |
Two IDE (AT) Interface drives |
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Floppy drives supported: |
Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
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CONNECTIONS | |
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Function |
Location |
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34-pin control cable connector - (reserved for future use) |
J1 |
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34-pin control cable connector - floppy drive |
J2 |
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4-pin connector - Drive active LED |
J3 |
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40-pin IDE(AT) Interface connector |
J6 |
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USER CONFIGURABLE SETTINGS | |||
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Function |
Location |
Setting | |
| » |
Hard drive Interrupt Request IRQ14 enabled |
W21 |
closed |
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Hard drive Interrupt Request IRQ14 disabled |
W21 |
open | |
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HARD DRIVE PORT ADDRESS | |||
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Function |
SW1/jumper 1 |
SW1/jumper 2 | |
| » |
Hard drive port address is 1F0-1F7h |
closed |
open |
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Hard drive port address is 170-177h |
open |
closed | |
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FLOPPY DRIVE PORT ADDRESS | |||
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Function |
SW1/jumper 1 |
SW1/jumper 2 | |
| » |
Floppy drive port address is 3F0-3F7h |
closed |
open |
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Floppy drive port address is 370-377h |
open |
closed | |
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MISCELLANEOUS TECHNICAL NOTES |
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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. |