ACCULOGIC
=========

   SIDE-1/16

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:                | 8-bit, ISA                      |
   |--------------------------+---------------------------------|
   | Size:                    | Half-length, full-height card   |
   |--------------------------+---------------------------------|
   | Hard drives supported:   | Two IDE(AT) drives              |
   |--------------------------+---------------------------------|
   | Floppy drives supported: | None                            |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/A-B/20003-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                 Function                 |    Location     |
   |------------------------------------------+-----------------|
   | 4-pin connector-Drive Active LED         |       J1        |
   |------------------------------------------+-----------------|
   | 40-pin XT Interface (IDE) connector      |       J4        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |           Function           |   Location   |   Setting    |
   |------------------------------+--------------+--------------|
   |>> | BIOS enabled             |     JP1      |     open     |
   |---+--------------------------+--------------+--------------|
   |   | BIOS disabled            |     JP1      |    closed    |
   |---+--------------------------+--------------+--------------|
   |>> | Hard drive enabled       |     JP6      |    closed    |
   |---+--------------------------+--------------+--------------|
   |   | Hard drive disabled      |     JP6      |     open     |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        BIOS ADDRESS                        |
   |------------------------------------------------------------|
   |      Address      |     Jumper JP2     |    Jumper JP3     |
   |-------------------+--------------------+-------------------|
   |>> |     C800h     |        open        |       open        |
   |---+---------------+--------------------+-------------------|
   |   |     CC00h     |        open        |      closed       |
   |---+---------------+--------------------+-------------------|
   |   |     D800h     |       closed       |       open        |
   |---+---------------+--------------------+-------------------|
   |   |     DC00h     |       closed       |      closed       |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     INTERRUPT REQUEST                      |
   |------------------------------------------------------------|
   |              IRQ               | Jumper JP4  | Jumper JP5  |
   |--------------------------------+-------------+-------------|
   |>> | Interrupt Request is IRQ5  |    open     |   closed    |
   |---+----------------------------+-------------+-------------|
   |   | Interrupt Request is IRQ2  |   closed    |    open     |
   +------------------------------------------------------------+