MICRO EQUIPMENT CORPORATION
UN-1086
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Data bus: |
32-bit VL-Bus |
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Size: |
Full-length, full-height card |
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Hard drive supported: |
Four Enhanced 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 | |
|
Function |
Location |
|
40-pin IDE (AT) interface connector |
CN1 |
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40-pin IDE (AT) interface connector |
CN2 |
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34-pin control cable connector - floppy drive |
CN3 |
|
16-pin game port - internal |
CN4 |
|
10-pin serial port - internal |
COMA |
|
10-pin serial port - internal |
COMB |
|
2-pin connector - drive active LED |
LED1 |
|
25-pin parallel port - external |
P1 |
|
USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
|
Factory configured - do not alter |
W1 |
N/A | |
|
Factory configured - do not alter |
W2 |
N/A | |
|
Factory configured - do not alter |
W3 |
N/A | |
|
Factory configured - do not alter |
W4 |
N/A | |
|
Factory configured - do not alter |
W5 |
N/A | |
|
IOCHRDY 759AF select |
W6/pins 2 & 3 |
closed | |
|
IOCHRDY ISA select |
W6/pins 1 & 2 |
closed | |
|
Primary IDE (AT) interface enabled |
W8/pins 2 & 3 |
closed | |
|
Primary IDE (AT) interface disabled |
W8/pins 1& 2 |
closed | |
|
Secondary IDE (AT) interface enabled |
W9/pins 2 & 3 |
closed | |
|
Secondary IDE (AT) interface disabled |
W9/pins 1 & 2 |
closed | |
|
Speed 50MHz select |
W10/pins 2 & 3 |
closed | |
|
Speed 33MHz select |
W10/ pins 1 & 2 |
closed | |
|
Factory configured - do not alter |
W13 |
N/A | |
|
Floppy drive address is 3F0h-3F7h |
W21 |
open | |
|
Floppy drive address is 370h-377h |
W21 |
closed | |
|
Floppy controller enabled |
W22 |
open | |
|
Floppy controller disabled |
W22 |
closed | |
|
Parallel port output only select |
W23 |
closed | |
|
Parallel port bi-directional select |
W23 |
open | |
|
Game port enabled |
W24 |
open | |
|
Game port disabled |
W24 |
closed | |
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Parallel port address is 378h |
W25 |
open | |
|
Parallel port address is 278h |
W25 |
closed | |
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COMA address is 3F8h |
W26 |
open | |
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COMA address is 3E8h |
W26 |
closed | |
|
COMA enabled |
W27 |
open | |
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COMA disabled |
W27 |
closed | |
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Parallel port enabled |
W28 |
open | |
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Parallel port disabled |
W28 |
closed | |
|
COMB address is 2F8h |
W29 |
open | |
|
COMB address is 2E8h |
W29 |
closed | |
|
COMB enabled |
W30 |
open | |
|
COMB disabled |
W30 |
closed | |
|
IDE (AT) TIMMING & MODE CONFIGURATION | |||
|
Timming |
Mode |
W11 |
W12 |
|
240ns |
3 |
pins 1 & 2 closed |
pins 1 & 2 closed |
|
400ns |
2 |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
500ns |
1 |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
600ns |
0 |
pins 2 & 3 closed |
pins 2 & 3 closed |
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HARD DRIVE DMA SELECTION | ||||||
|
Channel |
W14 |
W15 |
W16 |
W17 |
W18 |
W19 |
|
5 |
open |
open |
closed |
open |
open |
closed |
|
6 |
open |
closed |
open |
open |
closed |
open |
|
7 |
closed |
open |
open |
closed |
open |
open |
|
SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
IRQ |
W36 |
W37 |
W38 | |
|
4 |
closed |
open |
open | |
|
3 |
open |
closed |
open | |
|
5 |
open |
open |
closed | |
|
SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
IRQ |
W39 |
W40 |
W41 | |
|
3 |
closed |
open |
open | |
|
4 |
open |
closed |
open | |
|
5 |
open |
open |
closed | |
|
PARALLEL PORT INTERRUPT SELECTION | |||
|
IRQ |
W42 |
W43 | |
|
7 |
closed |
open | |
|
5 |
open |
closed | |