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# MICRO EQUIPMENT CORPORATION
UN-1688
Card Type Multi-I/O card
Chip Set Ess1668
Maximum Onboard None
Memory
I/O Options Game/MIDI port, speaker, line out, line in,
microphone in, second IDE, speaker in, wave
table connector, Panasonic CD-ROM connector,
Mitsumi CD-ROM connector, Sony CD-ROM
connector
Data Bus 16-bit ISA
Floppy drives None
supported
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label | Function | Label |
|----------------+-------+---------------------------+-------|
| Game/MIDI port | CN1 | Speaker in | CN7 |
|----------------+-------+---------------------------+-------|
| Speaker | CN2 | Wave table connector | CN8 |
|----------------+-------+---------------------------+-------|
| Line out | CN3 | Panasonic CD-ROM | CN9 |
| | | connector | |
|----------------+-------+---------------------------+-------|
| Line in | CN4 | Mitsumi CD-ROM connector | CN10 |
|----------------+-------+---------------------------+-------|
| Microphone in | CN5 | Sony CD-ROM connector | CN11 |
|----------------+-------+---------------------------+-------|
| Secondary IDE | CN6 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| USER CONFIGURABLE SETTINGS |
|------------------------------------------------------------|
| Function | Label | Position |
|----------------------------------------+-------+-----------|
| » | Joystick enabled | JP4 | Closed |
|---+------------------------------------+-------+-----------|
| | Joystick disabled | JP4 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| DMA CHANNEL SELECTION |
|------------------------------------------------------------|
| Channel | JP1/pins 1 & 2 | JP1/pins 3 & 4 |
|------------------+--------------------+--------------------|
| | None | Open | Open |
|---+--------------+--------------------+--------------------|
| | 0 | Open | Closed |
|---+--------------+--------------------+--------------------|
| » | 1 | Closed | Open |
|---+--------------+--------------------+--------------------|
| | 3 | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| IDE SELECTION |
|------------------------------------------------------------|
| Setting | JP5 | JP6 |
|----------------------+----------------+--------------------|
| » | Disabled | Open | Pins 2 & 3 closed |
|---+------------------+----------------+--------------------|
| | Enabled | Closed | Pins 1 & 2 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
| Setting | JP2/pins 1 & 2 | JP2/pins 2 & 3 |
|------------------+--------------------+--------------------|
| » | 220h | Open | Open |
|---+--------------+--------------------+--------------------|
| | 230h | Open | Closed |
|---+--------------+--------------------+--------------------|
| | 240h | Closed | Open |
|---+--------------+--------------------+--------------------|
| | 250h | Closed | Closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP3/pins 1 & 2 | JP3/pins 3 & 4 |
|------------------+--------------------+--------------------|
| | IRQ9 | Open | Open |
|---+--------------+--------------------+--------------------|
| | IRQ5 | Open | Closed |
|---+--------------+--------------------+--------------------|
| | IRQ7 | Closed | Open |
|---+--------------+--------------------+--------------------|
| » | IRQ10 | Closed | Closed |
+------------------------------------------------------------+