ABIT COMPUTER CORPORATION
=========================

   MI300

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 32-bit, VL-bus                         |
   |-------------------+----------------------------------------|
   | Size:             | Half-length, half-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/S-T/21386-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin IDE(AT) Interface connector            |    CN1     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN2     |
   |-----------------------------------------------+------------|
   | Game port                                     |    CN3     |
   |-----------------------------------------------+------------|
   | 9-pin serial port 1 - external                |    CN4     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 2 - internal               |    CN5     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port                          |    CN6     |
   |-----------------------------------------------+------------|
   | 2-pin connector - drive active LED            |    JP1     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function          | Location  |      Setting      |
   |----------------------------+-----------+-------------------|
   |>> | IDE port enabled       |    JP4    | pins 1 & 2 closed |
   |---+------------------------+-----------+-------------------|
   |   | IDE port disabled      |    JP4    | pins 2 & 3 closed |
   |---+------------------------+-----------+-------------------|
   |>> | Floppy drive enabled   |    JP7    | pins 1 & 2 closed |
   |---+------------------------+-----------+-------------------|
   |   | Floppy drive disabled  |    JP7    | pins 2 & 3 closed |
   |---+------------------------+-----------+-------------------|
   |>> | Game Port enabled      |   JP11    | pins 1 & 2 closed |
   |---+------------------------+-----------+-------------------|
   |   | Game Port disabled     |   JP11    | pins 2 & 3 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                      HARD DRIVE SPEED                      |
   |------------------------------------------------------------|
   |      Setting       |        JP2        |        JP3        |
   |--------------------+-------------------+-------------------|
   |>> |    Speed 2     | pins 1 & 2 closed | pins 2 & 3 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Speed 0     | pins 1 & 2 closed | pins 1 & 2 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Speed 1     | pins 2 & 3 closed | pins 2 & 3 closed |
   |---+----------------+-------------------+-------------------|
   |   |    Speed 3     | pins 2 & 3 closed | pins 1 & 2 closed |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                PARALLEL PORT CONFIGURATION                 |
   |------------------------------------------------------------|
   |   LPT/Address    |        JP5         |        JP10        |
   |------------------+--------------------+--------------------|
   |>> |  LPT2/378h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  LPT3/278h   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 1 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |        JP6         |        JP8         |
   |------------------+--------------------+--------------------|
   |>> |  COM1/3F8h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM3/3E8h   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                SERIAL PORT 2 CONFIGURATION                 |
   |------------------------------------------------------------|
   |   COM/Address    |        JP9         |        JP12        |
   |------------------+--------------------+--------------------|
   |>> |  COM2/2F8h   | pins 1 & 2 closed  | pins 1 & 2 closed  |
   |---+--------------+--------------------+--------------------|
   |   |  COM4/2E8h   | pins 1 & 2 closed  | pins 2 & 3 closed  |
   |---+--------------+--------------------+--------------------|
   |   |   Disabled   | pins 2 & 3 closed  |        n/a         |
   +------------------------------------------------------------+