ATLANTIC COMPUTER PRODUCTS, INC.
================================

   GP4530

   +------------------------------------------------------------+
   |------------------------------------------------------------|
   | 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, 1.44MB, or 2.88MB |
   | supported:    | drives                                     |
   +------------------------------------------------------------+

<gopher://bitreich.org/I/th99/c/U-Z/20725-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   |                   Function                    |  Location  |
   |-----------------------------------------------+------------|
   | 40-pin IDE (AT) Interface connector           |    CN1     |
   |-----------------------------------------------+------------|
   | VGA feature connector                         |    CN2     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 2                          |    CN3     |
   |-----------------------------------------------+------------|
   | 10-pin serial port 1                          |    CN4     |
   |-----------------------------------------------+------------|
   | 34-pin control cable connector - floppy drive |    CN5     |
   |-----------------------------------------------+------------|
   | 15-pin analog video connector                 |    CN6     |
   |-----------------------------------------------+------------|
   | 25-pin parallel port                          |    CN7     |
   |-----------------------------------------------+------------|
   | "Green Feature" connector                     |    JP20    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |          Function           | Location |      Setting      |
   |-----------------------------+----------+-------------------|
   |>> | Factory configured - do |   JP3    | pins 2 & 3 closed |
   |   | not alter               |          |                   |
   |---+-------------------------+----------+-------------------|
   |>> | Parallel port used for  |   JP6    | pins 1 & 2 closed |
   |   | printer                 |          |                   |
   |---+-------------------------+----------+-------------------|
   |   | Parallel port used for  |   JP6    | pins 2 & 3 closed |
   |   | scanner                 |          |                   |
   |---+-------------------------+----------+-------------------|
   |>> | IDE port enabled        |    S1    | pins 1 & 2 closed |
   |---+-------------------------+----------+-------------------|
   |   | IDE port disabled       |    S1    | pins 2 & 3 closed |
   |---+-------------------------+----------+-------------------|
   |>> | Factory configured - do |    S2    | pins 2 & 3 closed |
   |   | not alter               |          |                   |
   |---+-------------------------+----------+-------------------|
   |>> | Factory configured - do |    S3    | pins 1 & 2 closed |
   |   | not alter               |          |                   |
   |---+-------------------------+----------+-------------------|
   |>> | Factory configured - do |    S4    | pins 1 & 2 closed |
   |   | not alter               |          |                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                  I/O PORTS CONFIGURATION                   |
   |------------------------------------------------------------|
   |  Floppy  |Serial 1|Serial 2|Parallel| JP1 | JP2 | JP4 |JP5 |
   |----------+--------+--------+--------+-----+-----+-----+----|
   |>>|Enabled |  COM1  |  COM2  |  LPT1  |1 & 2|1 & 2|2 & 3|1 & |
   | |        |        |        |        |     |     |     | 2  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Enabled |  COM1  |  COM2  |  LPT2  |2 & 3|1 & 2|2 & 3|1 & |
   | |        |        |        |        |     |     |     | 2  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Enabled |  COM3  |  COM4  |  LPT2  |1 & 2|2 & 3|2 & 3|1 & |
   | |        |        |        |        |     |     |     | 2  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Enabled |  COM2  |  COM3  |  LPT1  |2 & 3|2 & 3|2 & 3|1 & |
   | |        |        |        |        |     |     |     | 2  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Disabled|  COM1  |  COM2  |  LPT1  |1 & 2|1 & 2|1 & 2|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Disabled|  COM1  |  COM2  |  LPT2  |2 & 3|1 & 2|1 & 2|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Disabled|  COM3  |  COM4  |  LPT2  |1 & 2|2 & 3|1 & 2|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Disabled|  COM2  |  COM3  |  LPT1  |2 & 3|2 & 3|1 & 2|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Enabled |Disabled|Disabled|Disabled|1 & 2|2 & 3|2 & 3|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |-+--------+--------+--------+--------+-----+-----+-----+----|
   | |Disabled|Disabled|Disabled|Disabled|2 & 3|2 & 3|2 & 3|2 & |
   | |        |        |        |        |     |     |     | 3  |
   |------------------------------------------------------------|
   |Note:The pins indicated are in the closed position.         |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                         WAIT STATE                         |
   |------------------------------------------------------------|
   |        Setting        |       JP8        |       JP9       |
   |-----------------------+------------------+-----------------|
   |>> |   Wait State 2    |    pins 2 & 3    |   pins 2 & 3    |
   |   |      enabled      |      closed      |     closed      |
   |---+-------------------+------------------+-----------------|
   |   |   Wait State 1    |    pins 2 & 3    |   pins 1 & 2    |
   |   |      enabled      |      closed      |     closed      |
   |---+-------------------+------------------+-----------------|
   |   |   Wait State 3    |    pins 1 & 2    |   pins 2 & 3    |
   |   |      enabled      |      closed      |     closed      |
   |---+-------------------+------------------+-----------------|
   |   |   Wait State 4    |    pins 1 & 2    |   pins 1 & 2    |
   |   |      enabled      |      closed      |     closed      |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MEMORY CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Memory  |     JP10     |    JP11    |  Bank 0  |  Bank 1  |
   |   Size   |              |            |          |          |
   |----------+--------------+------------+----------+----------|
   |>> | 1MB  |  pins 2 & 3  | pins 1 & 2 | (2) 512K |   None   |
   |   |      |    closed    |   closed   |   x 8    |          |
   |---+------+--------------+------------+----------+----------|
   |   | 2MB  |  pins 2 & 3  | pins 2 & 3 | (2) 512K | (2) 512K |
   |   |      |    closed    |   closed   |   x 8    |   x 8    |
   +------------------------------------------------------------+