ACER, INC.
==========

   SYSTEM 915P (II)

   Processor    80286                                             
   Processor    10/12/16/20MHz                                    
   Speed        
   Chip Set     ALI                                               
   Max. onboard 5MB                                               
   DRAM         
   Cache        None                                              
   BIOS         Acer                                              
   Dimensions   330mm x 218mm                                     
   I/O Options  Floppy drive interface, IDE interface, parallel   
                port, serial ports (2), Video port                
   NPU Options  80287                                             

<gopher://bitreich.org/I/th99/m/A-B/31626-1.png>
   

   +------------------------------------------------------------+
   |                        CONNECTIONS                         |
   |------------------------------------------------------------|
   | Purpose       | Location | Purpose              | Location |
   |---------------+----------+----------------------+----------|
   | Parallel port |   CN1    | Video port           |   CN4    |
   |---------------+----------+----------------------+----------|
   | Serial port   |   CN2    | Floppy drive         |   CN5    |
   |               |          | interface            |          |
   |---------------+----------+----------------------+----------|
   | Serial port   |   CN3    | IDE interface        |   CN6    |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 USER CONFIGURABLE SETTINGS                 |
   |------------------------------------------------------------|
   |              Function               | Jumper  |  Position  |
   |-------------------------------------+---------+------------|
   |>> | Disable main PCB video module   | AJ1-AJ5 | pins 2 & 3 |
   |   | connector                       |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | Enable main PCB video module    | AJ1-AJ5 | pins 1 & 2 |
   |   | connector                       |         |   closed   |
   |---+---------------------------------+---------+------------|
   |>> | Keylock disabled                |   JP1   |   Closed   |
   |---+---------------------------------+---------+------------|
   |   | Keylock enabled                 |   JP1   |    Open    |
   |---+---------------------------------+---------+------------|
   |>> | Parity enabled                  |  JP11   | pins 1 & 2 |
   |   |                                 |         |   closed   |
   |---+---------------------------------+---------+------------|
   |   | Parity disabled                 |  JP11   | pins 2 & 3 |
   |   |                                 |         |   closed   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                     DRAM CONFIGURATION                     |
   |------------------------------------------------------------|
   | Size  | Bank 0 | Bank 1 | Bank 2 | Bank  |   P0   |   P1   |
   |       |        |        |        |   3   |        |        |
   |-------+--------+--------+--------+-------+--------+--------|
   | 512KB |  (4)   |  NONE  |  NONE  | NONE  |  (2)   |  NONE  |
   |       | 44256  |        |        |       | 41256  |        |
   |-------+--------+--------+--------+-------+--------+--------|
   | 640KB |  (4)   |  (4)   |  NONE  | NONE  |  (2)   |  (2)   |
   |       | 44256  |  4464  |        |       | 41256  |  4164  |
   |-------+--------+--------+--------+-------+--------+--------|
   |  1MB  |  (4)   |  (4)   |  NONE  | NONE  |  (2)   |  (2)   |
   |       | 44256  | 44256  |        |       | 41256  | 41256  |
   |-------+--------+--------+--------+-------+--------+--------|
   |  2MB  |  (4)   |  (4)   |  (2)   |  (4)  |  (2)   |  (2)   |
   |       | 44256  | 44256  | 256K x | 256K  | 41256  | 41256  |
   |       |        |        |   9    |  x 9  |        |        |
   |-------+--------+--------+--------+-------+--------+--------|
   |  5MB  |  (4)   |  (4)   | (2) 1M |  (2)  |  (2)   |  (2)   |
   |       | 44256  | 44256  |  x 9   | 1M x  | 41256  | 41256  |
   |       |        |        |        |   9   |        |        |
   |------------------------------------------------------------|
   | Note:Parity chips are required only when parity is         |
   | enabled.                                                   |
   +------------------------------------------------------------+

   +------------------------------------------------------------+
   |                 VIDEO MODULE CONFIGURATION                 |
   |------------------------------------------------------------|
   |  Display  |SW1/switch 1|SW1/switch |SW1/switch |SW1/switch |
   |           |            |     2     |     3     |     4     |
   |-----------+------------+-----------+-----------+-----------|
   | Hercules  |    Off     |    Off    |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   |    CGA    |     On     |    Off    |    On     |    On     |
   | emulation |            |           |           |           |
   |-----------+------------+-----------+-----------+-----------|
   |    CGA    |    Off     |    On     |    On     |    On     |
   |-----------+------------+-----------+-----------+-----------|
   | Disabled  |    Off     |    Off    |    Off    |    Off    |
   +------------------------------------------------------------+