MICRO EQUIPMENT CORPORATION
UN-1083E
Data bus: | 32-bit VL-Bus |
Size: | Three/quarter-length, full-height card |
Hard drive supported: | Four IDE (AT) interface drives |
Floppy drives supported: | Two 360KB, 720KB, 1.2MB, or 1.44MB drives |
CONNECTIONS | |
Function | Location |
40-pin Primary IDE (AT) interface connector | CN1 |
40-pin Secondary IDE (AT) interface connector | CN2 |
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 order A:, B: normal | W26/pins 1 & 2 | closed |
Floppy drive order A:, B: exchange | W26/pins 2 & 3 | closed | |
» | Floppy drive address is 3F0h-3F7h | W27/pins 2 & 3 | closed |
Floppy drive address is 370h-377h | W27/pins 1 & 2 | closed | |
» | Floppy controller enabled | W28/pins 1 & 2 | closed |
Floppy controller disabled | W28/pins 2 & 3 | closed | |
» | Factory configued - do not alter | W32 | N/A |
» | Factory configured - do not alter | W33 | N/A |
» | Factory configured - do not alter | W34 | N/A |
» | Game port enabled | W46 | closed |
Game port disabled | W46 | open |
IDE (AT) TIMMING & MODE CONFIGURATION | |||
Timing | 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 |
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 CONFIGURATION | |||
COM | W20 | W21 | |
» | COM1 (3F8h) | pins 1 & 2 closed | pins 2 & 3 closed |
COM3 (3E8h) | pins 2 & 3 closed | pins 1 & 2 closed | |
Not available | pins 1 & 2 closed | pins 1 & 2 closed | |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
SERIAL PORT 2 CONFIGURATION | |||
COM | W22 | W23 | |
» | COM2 (2F8h) | pins 1 & 2 closed | pins 2 & 3 closed |
COM4 (2E8h) | pins 2 & 3 closed | pins 1 & 2 closed | |
Not available | pins 1 & 2 closed | pins 1 & 2 closed | |
Disabled | pins 2 & 3 closed | pins 2 & 3 closed |
PARALLEL PORT CONFIGURATION | |||
LPT | W24 | W25 | |
» | 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 |
PARALLEL PORT MODE SELECTION | ||
Mode | W29 | W30 |
Printer | pins 1 & 2 closed | pins 1 & 2 closed |
EPP/ECP | pins 1 & 2 closed | pins 2 & 3 closed |
EPP/SPP | pins 2 & 3 closed | pins 1 & 2 closed |
EXT2FDD | pins 2 & 3 closed | pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECTION | ||||
IRQ | W35 | W36 | W37 | |
» | 4 | closed | open | open |
3 | open | closed | open | |
5 | open | open | closed |
SERIAL PORT 2 INTERRUPT SELECTION | ||||
IRQ | W38 | W39 | W40 | |
» | 3 | closed | open | open |
4 | open | closed | open | |
5 | open | open | closed |
PARALLEL PORT INTERRUPT SELECTION | |||
IRQ | W41 | W42 | |
» | 7 | closed | open |
5 | open | closed |
PRINTER OUTPUT CONFIGURATION | |
Setting | W43 |
Output | closed |
Bi-directional | open |
DMA SELECTION | |||
Channel | W31 | W44 | W45 |
1 | pins 1 & 2 closed | closed | open |
3 | pins 2 & 3 closed | open | closed |