ACCULOGIC, INC.
===============

   SIDE-4

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | Data bus:         | 16-bit, ISA                            |
   |-------------------+----------------------------------------|
   | Size:             | Half-length, full-height card          |
   |-------------------+----------------------------------------|
   | Hard drives       | Two IDE(AT) drives                     |
   | supported:        |                                        |
   |-------------------+----------------------------------------|
   | Floppy drives     | Two 360KB, 720KB, 1.2MB or 1.44MB      |
   | supported:        | drives                                 |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/A-B/20007-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                  Function                   |   Location   |
   |---------------------------------------------+--------------|
   | 34-pin control cable connector-floppy drive |      J1      |
   |---------------------------------------------+--------------|
   | 4-pin connector-Drive Active LED            |      J2      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 1-external                |      J3      |
   |---------------------------------------------+--------------|
   | 25-pin parallel port-external               |      J4      |
   |---------------------------------------------+--------------|
   | 40-pin AT Interface (IDE) connector         |      J5      |
   |---------------------------------------------+--------------|
   | 9-pin serial port 2-internal                |      J8      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                        IRQ14 STATUS                        |
   |------------------------------------------------------------|
   |            Function            | W3/Pins 1 & | W3/Pins 3 & |
   |                                |      2      |      4      |
   |--------------------------------+-------------+-------------|
   |>> | IRQ14 normal               |    open     |   closed    |
   |---+----------------------------+-------------+-------------|
   |   | IRQ14 delayed until        |   closed    |    open     |
   |   | ACTIVE- signal is removed  |             |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |               Function                | Location | Setting |
   |---------------------------------------+----------+---------|
   |>> | Floppy drive enabled              |   W4A    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive disabled             |   W4A    |  open   |
   |---+-----------------------------------+----------+---------|
   |>> | Floppy drive port address is      |   W4B    |  open   |
   |   | 3F0-3F7h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Floppy drive port address is      |   W4B    | closed  |
   |   | 370-377h                          |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Single speed floppy drives        |    W5    |  open   |
   |   | supported                         |          |         |
   |---+-----------------------------------+----------+---------|
   |   | Dual speed floppy drives          |    W5    | closed  |
   |   | supported                         |          |         |
   |---+-----------------------------------+----------+---------|
   |>> | Hard drive enabled                |    W9    | closed  |
   |---+-----------------------------------+----------+---------|
   |   | Hard drive disabled               |    W9    |  open   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             PARALLEL PORT (CN4) CONFIGURATION              |
   |------------------------------------------------------------|
   |        CN4         |    W8/jumper 1    |    W8/jumper 2    |
   |--------------------+-------------------+-------------------|
   |    LPT1 enabled    |      closed       |       open        |
   |--------------------+-------------------+-------------------|
   |    LPT2 enabled    |      closed       |      closed       |
   |--------------------+-------------------+-------------------|
   |      Disabled      |       open        |       open        |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 1 (CN3) CONFIGURATION              |
   |------------------------------------------------------------|
   |            Function            | W8/Jumper 3 | W8/Jumper 4 |
   |--------------------------------+-------------+-------------|
   |>> | Serial port 1 set to COM1  |   closed    |    open     |
   |   | (3F8h)                     |             |             |
   |---+----------------------------+-------------+-------------|
   |   | Serial port 1 set to COM3  |    open     |   closed    |
   |   | (3E8h)                     |             |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |             SERIAL PORT 2 (CN8) CONFIGURATION              |
   |------------------------------------------------------------|
   |            Function            | W8/Jumper 5 | W8/Jumper 6 |
   |--------------------------------+-------------+-------------|
   |>> | Serial port 2 set to COM2  |   closed    |    open     |
   |   | (2F8h)                     |             |             |
   |---+----------------------------+-------------+-------------|
   |   | Serial port 2 set to COM4  |    open     |   closed    |
   |   | (2E8h)                     |             |             |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 I/O PORT INTERRUPT REQUEST                 |
   |------------------------------------------------------------|
   |             Function             | Location |   Setting    |
   |----------------------------------+----------+--------------|
   |>> | Parallel port (CN4) uses     |    W7    |  pins 3 & 4  |
   |   | IRQ7                         |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Parallel port (CN4) uses     |    W7    |  pins 1 & 2  |
   |   | IRQ5                         |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | Serial port 2 (CN8) uses     |    W7    |  pins 5 & 6  |
   |   | IRQ3                         |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Serial port 2 (CN8) uses     |    W7    |  pins 5 & 7  |
   |   | IRQ4                         |          |    closed    |
   |---+------------------------------+----------+--------------|
   |>> | Serial port 1 (CN3) uses     |    W7    |  pins 7 & 8  |
   |   | IRQ4                         |          |    closed    |
   |---+------------------------------+----------+--------------|
   |   | Serial port 1 (CN3) uses     |    W7    |  pins 6 & 8  |
   |   | IRQ3                         |          |    closed    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |               MISCELLANEOUS TECHNICAL NOTES                |
   |------------------------------------------------------------|
   |         This controller has no on-board software.          |
   +------------------------------------------------------------+