MICRO EQUIPMENT CORPORATION
UN-1081 VL
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Data bus: |
32-bit VL-Bus |
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Size: |
Three/quarter, 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 | |
|
Function |
Location |
|
4-pin connector - drive active LED |
J1 |
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40-pin IDE (AT) interface connector |
J2 |
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34-pin control cable connector - floppy drive |
J3 |
|
16-pin game port - internal |
J4 |
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10-pin serial port - external (via ribbon cable) |
J5 |
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10-pin serial port - internal |
J6 |
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25-pin parallel port - external |
P1 |
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USER CONFIGURABLE SETTINGS | |||
|
Function |
Location |
Setting | |
| » |
HDD IRQ14 select |
W6/pins 1 & 2 |
closed |
|
HDD IRQ15 select |
W6/pins 2 & 3 |
closed | |
| » |
Floppy drive primary address is 3F0h - 3F7h |
W7/pins 2 & 3 |
closed |
|
Floppy drive secondary address is 370h - 377h |
W7/pins 1 & 2 |
closed | |
| » |
IDE (AT) primary address is 1F0h - 1F7h, & 3F6h - 3F7h |
W8/pins 2 & 3 |
closed |
|
IDE (AT) secondary address is 170h - 177h, & 376h - 377h |
W8/pins 1 & 2 |
closed | |
| » |
IDE (AT) interface enabled |
W9/pins 1 & 2 |
closed |
|
IDE (AT) interface disabled |
W9/pins 2 & 3 |
closed | |
| » |
Floppy controller enabled |
W10/pins 1 & 2 |
closed |
|
Floppy controller disabled |
W10/pins 2 & 3 |
closed | |
| » |
Printer port unidirectional select |
W17/pins 1 & 2 |
closed |
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Printer port bidirectional select |
W17/pins 2 & 3 |
open | |
| » |
Game port enabled |
W26 |
closed |
|
Game port disabled |
W26 |
open | |
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IDE (AT) TRANSFER RATE CONFIGURATION | |||||||
|
Trans. Rate |
VL Speed |
W1 |
W2 |
W3 |
W4 |
W5 | |
| » |
3.9MB/sec |
£ 33MHz |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
|
3.3MB/sec |
£ 33MHz |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 | |
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3.3MB/sec |
<33MHz |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 | |
|
3.5MB/sec |
£ 33MHz |
2 & 3 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 | |
|
3.6MB/sec |
>33MHz |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
2 & 3 | |
|
3.7MB/sec |
£ 33MHz |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 | |
|
3.8MB/sec |
>33MHz |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 | |
|
4.2MB/sec |
£ 33MHz |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 | |
|
4.2MB/sec |
>33MHz |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 | |
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4.4MB/sec |
£ 33MHz |
1 & 2 |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 | |
|
4.5MB/sec |
>33MHz |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
2 & 3 | |
|
4.8MB/sec |
£ 33MHz |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
1 & 2 | |
|
5.0MB/sec |
>33MHz |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
2 & 3 | |
|
5.1MB/sec |
£ 33MHz |
2 & 3 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 | |
|
5.6MB/sec |
£ 33MHz |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 | |
|
5.6MB/sec |
>33MHz |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 | |
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IDE (AT) TRANSFER RATE CONFIGURATION (CON’T) | ||||||
|
Trans. Rate |
VL Speed |
W1 |
W2 |
W3 |
W4 |
W5 |
|
6.1MB/sec |
£ 33MHz |
2 & 3 |
1 & 2 |
2 & 3 |
1 & 2 |
1 & 2 |
|
6.3MB/sec |
>33MHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
2 & 3 |
|
6.7MB/sec |
£ 33MHz |
2 & 3 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
|
7.2MB/sec |
>33MHz |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
2 & 3 |
|
7.4MB/sec |
£ 33MHz |
1 & 2 |
2 & 3 |
2 & 3 |
1 & 2 |
1 & 2 |
|
8.3MB/sec |
£ 33MHz |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
1 & 2 |
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Note: Pins designated are in the closed position. | ||||||
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SERIAL PORT 1 CONFIGURATION | |||
|
COM |
W11 |
W12 | |
| » |
COM1 (3F8h) |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
COM3 (3E8h) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
|
COM4 (2E8h) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
|
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
|
SERIAL PORT 2 CONFIGURATION | |||
|
COM |
W13 |
W14 | |
| » |
COM2 (2F8h) |
pins 1 & 2 closed |
pins 2 & 3 closed |
|
COM3 (3E8h) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
|
COM4 (2E8h) |
pins 2 & 3 closed |
pins 1 & 2 closed | |
|
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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PARALLEL PORT CONFIGURATION | |||
|
LPT |
W15 |
W16 | |
| » |
LPT1 (378h) |
pins 2 & 3 closed |
pins 1 & 2 closed |
|
LPT2 (278h) |
pins 1 & 2 closed |
pins 2 & 3 closed | |
|
LPT3 (3BCh) |
pins 1 & 2 closed |
pins 1 & 2 closed | |
|
Disabled |
pins 2 & 3 closed |
pins 2 & 3 closed | |
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SERIAL PORT 1 INTERRUPT SELECTION | ||||
|
IRQ |
W18 |
W19 |
W20 | |
| » |
4 |
closed |
open |
open |
|
3 |
open |
closed |
open | |
|
5 |
open |
open |
closed | |
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SERIAL PORT 2 INTERRUPT SELECTION | ||||
|
IRQ |
W21 |
W22 |
W23 | |
| » |
3 |
closed |
open |
open |
|
4 |
open |
closed |
open | |
|
5 |
open |
open |
closed | |
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PARALLEL PORT INTERRUPT SELECTION | |||
|
IRQ |
W24 |
W25 | |
| » |
7 |
closed |
open |
|
5 |
open |
closed | |