MICRO EQUIPMENT CORPORATION
UN-1081 VL
| |
Data bus: |
32-bit VL-Bus |
Size: |
Three/quarter, 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 |
4-pin connector - drive active LED |
J1 |
40-pin IDE (AT) interface connector |
J2 |
34-pin control cable connector - floppy drive |
J3 |
16-pin game port - internal |
J4 |
10-pin serial port - external (via ribbon cable) |
J5 |
10-pin serial port - internal |
J6 |
25-pin parallel port - external |
P1 |
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 | |
Printer port bidirectional select |
W17/pins 2 & 3 |
open | |
Game port enabled |
W26 |
closed | |
Game port disabled |
W26 |
open |
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 | |
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 | |
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 |
IDE (AT) TRANSFER RATE CONFIGURATION (CONT) | ||||||
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 |
Note: Pins designated are in the closed position. |
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 |
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 |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ |
W18 |
W19 |
W20 | |
4 |
closed |
open |
open | |
3 |
open |
closed |
open | |
5 |
open |
open |
closed |
SERIAL PORT 2 INTERRUPT SELECTION | ||||
IRQ |
W21 |
W22 |
W23 | |
3 |
closed |
open |
open | |
4 |
open |
closed |
open | |
5 |
open |
open |
closed |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ |
W24 |
W25 | |
7 |
closed |
open | |
5 |
open |
closed |