MICRO EQUIPMENT CORPORATION
===========================

   UN-1082 VL

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit VL-Bus                          |
   |-------------------+----------------------------------------|
   | Size:             | Three/quarter-length, full-height card |
   |-------------------+----------------------------------------|
   | Hard drive        | Two IDE (AT) interface drives          |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB, or 1.44MB     |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/M-O/20748-1.png>
   

   +------------------------------------------------------------+
   |                        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 |
   |-----------------------------------+--------------+---------|
   |>> | IDE (AT) primary & secondary  | JP1/A pins 1 | closed  |
   |   | interface enabled             |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | IDE (AT) primary & secondary  | JP1/A pins 2 | closed  |
   |   | interface disabled            |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Speed 50MHz select            | JP1/C pins 1 | closed  |
   |   |                               |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | Speed 33MHz select            | JP1/C pins 2 | closed  |
   |   |                               |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | HDD address is 1F0h & 170h    | JP1/B pins 1 | closed  |
   |   |                               |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | HDD address is 1F0h           | JP1/B pins 2 | closed  |
   |   |                               |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy drive order A:, B:     | JP2/A pins 1 | closed  |
   |   | normal                        |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | Floppy drive order A:, B:     | JP2/A pins 2 | closed  |
   |   | exchange                      |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy drive address is 3F0h  | JP2/B pins 1 | closed  |
   |   | - 3F7h                        |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | Floppy drive address is 370h  | JP2/B pins 2 | closed  |
   |   | - 377h                        |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | Floppy controller enabled     | JP2/C pins 1 | closed  |
   |   |                               |     & 2      |         |
   |---+-------------------------------+--------------+---------|
   |   | Floppy controller disabled    | JP2/C pins 2 | closed  |
   |   |                               |     & 3      |         |
   |---+-------------------------------+--------------+---------|
   |>> | IOCHRDY for IDE1 disabled     |     JP3      |  open   |
   |---+-------------------------------+--------------+---------|
   |   | IOCHRDY for IDE1 enabled      |     JP3      | closed  |
   |---+-------------------------------+--------------+---------|
   |>> | IOCHRDY for IDE0 enabled      |     JP4      | closed  |
   |---+-------------------------------+--------------+---------|
   |   | IOCHRDY for IDE0 disabled     |     JP4      |  open   |
   |---+-------------------------------+--------------+---------|
   |>> | Printer port O/P port select  |     JP6      | closed  |
   |---+-------------------------------+--------------+---------|
   |   | Printer port I/O port select  |     JP6      |  open   |
   |---+-------------------------------+--------------+---------|
   |>> | Parallel port IRQ7 select     | JP7/pins 1 & | closed  |
   |   |                               |      2       |         |
   |---+-------------------------------+--------------+---------|
   |   | Parallel port IRQ5 select     | JP7/pins 3 & | closed  |
   |   |                               |      4       |         |
   |---+-------------------------------+--------------+---------|
   |>> | Game port enabled             |     JP8      | closed  |
   |---+-------------------------------+--------------+---------|
   |   | Game port disabled            |     JP8      |  open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             IDE (AT) DRIVE SPEED CONFIGURATION             |
   |------------------------------------------------------------|
   |      Speed       |       JP1/D        |       JP1/E        |
   |------------------+--------------------+--------------------|
   |>> |    600ns     | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    240ns     | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    400ns     | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |    500ns     | pins 2 & 3 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |       JP5/A        |       JP5/B        |
   |------------------+--------------------+--------------------|
   |>> | COM1 (3F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM3 (3E8h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM4 (2E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |       COM        |       JP5/C        |       JP5/D        |
   |------------------+--------------------+--------------------|
   |>> | COM2 (2F8h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM3 (3E8h)  | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | COM4 (2E8h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  | pins 1 & 2 closed  |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |       LPT        |       JP5/E        |       JP5/F        |
   |------------------+--------------------+--------------------|
   |>> | LPT1 (378h)  | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT2 (278h)  | pins 2 & 3 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   | LPT3 (3BCh)  | pins 2 & 3 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   +------------------------------------------------------------+