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       # MICRO EQUIPMENT CORPORATION
       
          UN-1051
       
          +------------------------------------------------------------+
          +------------------------------------------------------------+
       
          Data bus: 16-bit, ISA
       
          Size: Half-length, full-height card
       
          Hard drives supported:  Two IDE (AT) Interface drives
       
          Floppy drives supported: Two 360KB, 720KB, 1.2MB, or 1.44MB
          drives
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |                   Function                   |  Location   |
          |----------------------------------------------+-------------|
          | 4-pin connector-drive active LED             |     CN1     |
          |----------------------------------------------+-------------|
          | 40-pin IDE (AT) Interface connector-internal |     CN2     |
          |----------------------------------------------+-------------|
          | 34-pin data cable connector-floppy drive     |     CN3     |
          |----------------------------------------------+-------------|
          | 10-pin serial port 2 connector-internal      |     CN4     |
          |----------------------------------------------+-------------|
          | 10-pin serial port 1 connector-internal      |     CN5     |
          |----------------------------------------------+-------------|
          | DB-15 game port-external                     |     CN6     |
          |----------------------------------------------+-------------|
          | DB-25 parallel port connector-external       |     CN7     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |            Function            |   Location   |  Setting   |
          |--------------------------------+--------------+------------|
          | » | Hard drive enabled         | JP1 and JP1A |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Hard drive disabled        | JP1 and JP1A |    open    |
          |---+----------------------------+--------------+------------|
          | » | Game Port enabled          |     JP2      |    open    |
          |---+----------------------------+--------------+------------|
          |   | Game Port disabled         |     JP2      |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Floppy drive enabled       |     JP3      | pins 1 & 2 |
          |   |                            |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Floppy drive disabled      |     JP3      | pins 2 & 3 |
          |   |                            |              |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Hardware configuration     |     JP4      | pins 2 & 3 |
          |   | setting                    |              |   closed   |
          |---+----------------------------+--------------+------------|
          |   | Software configuration     |     JP4      | pins 1 & 2 |
          |   | setting                    |              |   closed   |
          |---+----------------------------+--------------+------------|
          | » | Factory configured - do    |     JP10     | pins 1 & 2 |
          |   | not alter                  |              |   closed   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                PARALLEL PORT CONFIGURATION                 |
          |------------------------------------------------------------|
          |          LPT           |       JP5       |       JP6       |
          |------------------------+-----------------+-----------------|
          | » | LPT1 (378) on IRQ7 |   pins 1 & 2    |   pins 1 & 2    |
          |   |                    |     closed      |     closed      |
          |---+--------------------+-----------------+-----------------|
          |   | LPT0 (3BC) on IRQ7 |   pins 1 & 2    |   pins 2 & 3    |
          |   |                    |     closed      |     closed      |
          |---+--------------------+-----------------+-----------------|
          |   | LPT2 (278) on IRQ5 |   pins 2 & 3    |   pins 1 & 2    |
          |   |                    |     closed      |     closed      |
          |---+--------------------+-----------------+-----------------|
          |   | Disabled           |   pins 2 & 3    |   pins 2 & 3    |
          |   |                    |     closed      |     closed      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 SERIAL PORT CONFIGURATION                  |
          |------------------------------------------------------------|
          |      CN4       |    CN5     |   JP7    |   JP8   |   JP9   |
          |----------------+------------+----------+---------+---------|
          | » | COM1 on    |  COM2 on   | pins 1 & | pins 1  | pins 1  |
          |   | IRQ4       |    IRQ3    |    2     |   & 2   |   & 2   |
          |---+------------+------------+----------+---------+---------|
          |   | COM2 on    |  COM1 on   | pins 1 & | pins 1  | pins 2  |
          |   | IRQ3       |    IRQ4    |    2     |   & 2   |   & 3   |
          |---+------------+------------+----------+---------+---------|
          |   | COM1 on    |  Disabled  | pins 1 & | pins 2  | pins 1  |
          |   | IRQ4       |            |    2     |   & 3   |   & 2   |
          |---+------------+------------+----------+---------+---------|
          |   | COM2 on    |  Disabled  | pins 1 & | pins 2  | pins 2  |
          |   | IRQ3       |            |    2     |   & 3   |   & 3   |
          |---+------------+------------+----------+---------+---------|
          |   | Disabled   |  COM1 on   | pins 2 & | pins 1  | pins 2  |
          |   |            |    IRQ4    |    3     |   & 2   |   & 3   |
          |---+------------+------------+----------+---------+---------|
          |   | Disabled   |  COM2 on   | pins 2 & | pins 1  | pins 1  |
          |   |            |    IRQ3    |    3     |   & 2   |   & 2   |
          |---+------------+------------+----------+---------+---------|
          |   | Disabled   |  Disabled  | pins 2 & | pins 2  | pins 2  |
          |   |            |            |    3     |   & 3   |   & 3   |
          +------------------------------------------------------------+