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# MICRO EQUIPMENT CORPORATION
UN-1085
+------------------------------------------------------------+
|------------------------------------------------------------|
| Data bus: | 32-bit VL-Bus |
|-------------------+----------------------------------------|
| Size: | Three/quarter-length, full-height card |
|-------------------+----------------------------------------|
| Hard drive | Four IDE (AT) interface drives |
| supported: | |
|-------------------+----------------------------------------|
| Floppy drives | Two 360KB, 720KB, 1.2MB, or 1.44MB |
| supported: | drives |
+------------------------------------------------------------+
IMG IMG 1
+------------------------------------------------------------+
| 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 | W1 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| » | Factory configured - do not | W2 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| » | Factory configured - do not | W3 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| » | Factory configured - do not | W4 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| » | Factory configured - do not | W5 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| | IOCHRDY 759AF select | W6/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| | IOCHRDY ISA select | W6/pins 1 & | closed |
| | | 2 | |
|---+-------------------------------+--------------+---------|
| » | Primary IDE (AT) interface | W8/pins 2 & | closed |
| | enabled | 3 | |
|---+-------------------------------+--------------+---------|
| | Primary IDE (AT) interface | W8/pins 1& 2 | closed |
| | disabled | | |
|---+-------------------------------+--------------+---------|
| » | Secondary IDE (AT) interface | W9/pins 2 & | closed |
| | enabled | 3 | |
|---+-------------------------------+--------------+---------|
| | Secondary IDE (AT) interface | W9/pins 1 & | closed |
| | disabled | 2 | |
|---+-------------------------------+--------------+---------|
| » | Speed 50MHz select | W10/pins 2 & | closed |
| | | 3 | |
|---+-------------------------------+--------------+---------|
| | Speed 33MHz select | W10/ pins 1 | closed |
| | | & 2 | |
|---+-------------------------------+--------------+---------|
| » | Factory configured - do not | W13 | N/A |
| | alter | | |
|---+-------------------------------+--------------+---------|
| » | Floppy drive address is | W21 | open |
| | 3F0h-3F7h | | |
|---+-------------------------------+--------------+---------|
| | Floppy drive address is | W21 | closed |
| | 370h-377h | | |
|---+-------------------------------+--------------+---------|
| » | Floppy controller enabled | W22 | open |
|---+-------------------------------+--------------+---------|
| | Floppy controller disabled | W22 | closed |
|---+-------------------------------+--------------+---------|
| » | Parallel port output only | W23 | closed |
| | select | | |
|---+-------------------------------+--------------+---------|
| | Parallel port bi-directional | W23 | open |
| | select | | |
|---+-------------------------------+--------------+---------|
| » | Game port enabled | W24 | open |
|---+-------------------------------+--------------+---------|
| | Game port disabled | W24 | closed |
|---+-------------------------------+--------------+---------|
| » | Parallel port address is 378h | W25 | open |
|---+-------------------------------+--------------+---------|
| | Parallel port address is 278h | W25 | closed |
|---+-------------------------------+--------------+---------|
| » | COMA address is 3F8h | W26 | open |
|---+-------------------------------+--------------+---------|
| | COMA address is 3E8h | W26 | closed |
|---+-------------------------------+--------------+---------|
| » | COMA enabled | W27 | open |
|---+-------------------------------+--------------+---------|
| | COMA disabled | W27 | closed |
|---+-------------------------------+--------------+---------|
| » | Parallel port enabled | W28 | open |
|---+-------------------------------+--------------+---------|
| | 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+