
ACER, INC.

AP5C

Processor            Pentium
Processor Speed      75/90/100/120/133MHz
Chip Set             Intel
Max. Onboard DRAM    128MB
Cache                256/512KB
BIOS                 AMI
Dimensions           330mm x 218mm
I/O Options          Parallel port, serial ports (2), 32-bit PCI slots
                     (4), floppy drive interface, IDE interfaces (2),
                     green PC connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                 Location

  Parallel port            CN1        Chassis fan power         CN12

  Serial port 1            CN2        Power LED &           CN14 pins 1 -
                                      keylock                    5

  Serial port 2            CN3        Speaker               CN14 pins 7 -
                                                                 10

  Floppy drive             CN4        Green PC LED         CN14 pins 12 -
  interface                                                      13

  IDE interface 2          CN5        Green PC connector   CN14 pins 15 -
                                                                 17

  IDE interface 1          CN6        Reset switch          CN14 pins 19-
                                                                 20

  IDE interface LED        CN7        32-bit PCI slots       PC1 - PC4

  Chassis fan power        CN11

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     On board I/O enabled                    JP5           pins 1 & 2
                                                              closed

      On board I/O disabled                   JP5           pins 2 & 3
                                                              closed

     PS/2 mouse enabled (mouse is            JP6             Closed
      optional & may not be present)

      PS/2 mouse disabled (mouse is           JP6              Open
      optional & may not be present)

      Flash BIOS voltage select 5v            JP13          pins 1 & 2
                                                              closed

      Flash BIOS voltage select 12v           JP13          pins 2 & 3
                                                              closed

     CMOS memory normal operation            JP15          pins 1 & 2
                                                              closed

      CMOS memory clear                       JP15          pins 2 & 3
                                                              closed

                    DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 36        NONE          NONE

     16MB       (2) 1M x 36    (2) 1M x 36       NONE

     24MB       (2) 1M x 36    (2) 1M x 36    (2) 1M x 36

     32MB       (2) 2M x 36    (2) 1M x 36    (2) 1M x 36

     32MB       (2) 2M x 36    (2) 2M x 36       NONE

     32MB       (2) 4M x 36        NONE          NONE

     40MB       (2) 2M x 36    (2) 2M x 36    (2) 1M x 36

     40MB       (2) 4M x 36    (2) 1M x 36       NONE

     48MB       (2) 4M x 36    (2) 1M x 36    (2) 1M x 36

     48MB       (2) 4M x 36    (2) 2M x 36       NONE

     56MB       (2) 4M x 36    (2) 2M x 36    (2) 1M x 36

     64MB       (2) 4M x 36    (2) 4M x 36       NONE

     64MB       (2) 8M x 36        NONE          NONE

     72MB       (2) 8M x 36    (2) 1M x 36       NONE

     80MB       (2) 8M x 36    (2) 1M x 36    (2) 1M x 36

     80MB       (2) 8M x 36    (2) 2M x 36       NONE

     88MB       (2) 8M x 36    (2) 2M x 36    (2) 1M x 36

     96MB       (2) 8M x 36    (2) 4M x 36       NONE

     104MB      (2) 8M x 36    (2) 4M x 36    (2) 1M x 36

     112MB      (2) 8M x 36    (2) 2M x 36    (2) 4M x 36

     128MB      (2) 8M x 36    (2) 4M x 36    (2) 4M x 36

     128MB      (2) 8M x 36    (2) 8M x 36       NONE

            CACHE CONFIGURATION

     Size          Bank 0          TAG

     256KB       (8) 32K x 8   (1) 32K x 8

     512KB       (8) 64K x 8   (1) 32K x 8

        CACHE JUMPER CONFIGURATION

        Size                 JP12

        256KB         pins 1 & 2 closed

        512KB         pins 2 & 3 closed

  CACHE VOLTAGE JUMPER CONFIGURATION

    Type         JP14         JP16

    3.3v       All Off       All On

   3.3v/5v      All On      All Off

                          CPU SPEED CONFIGURATION

      Speed              JP9               JP10               JP11

      75MHz           pins 1 & 2         pins 1 & 2     pins 1 & 2, 3 & 4
                        closed            closed             closed

      90MHz           pins 2 & 3         pins 1 & 2     pins 1 & 2 closed
                        closed            closed

      100MHz          pins 2 & 3         pins 1 & 2     pins 3 & 4 closed
                        closed            closed

      120MHz          pins 2 & 3         pins 2 & 3     pins 1 & 2 closed
                        closed            closed

      133MHz          pins 2 & 3         pins 2 & 3     pins 3 & 4 closed
                        closed            closed

                      DMA CONFIGURATION

         DMA                 JP3                  JP4

        DMA 1          pins 2 & 3 closed   pins 2 & 3 closed

        DMA 3          pins 1 & 2 closed   pins 1 & 2 closed

