(TXT) View Source
       
       # 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                                             
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        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    |
          +------------------------------------------------------------+