
ACER, INC.

AP5T (REV. 3.0)

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX MII/IDT C6/AM K5/AM K6/Pentium/

                  Pentium MMX
Processor Speed   90/100/120/133/150/166/180/200/233/266MHz
Chip Set          Intel 430TX
Maximum Onboard   256MB (EDO & SDRAM supported)
Memory
Cache             256/512KB
BIOS              Award
Dimensions        280mm x 220mm
I/O Options       32-bit PCI slots (4), floppy drive interface, green PC
                  connector, IDE interfaces (2), parallel port, PS/2 mouse
                  interface, serial ports (2), IR connector, USB connector

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Power LED &          C1/pins 1  5   Floppy drive              CN3
  keylock                              interface

  Speaker               C1/pins 7     Parallel port             CN4
                            10

  Reset switch         C1/pins 19 &    IDE interface 1           CN5
                            20

  Green PC LED         C1/pins 12 &    IDE interface 2           CN6
                            13

  Green PC connector   C1/pins 15 -    PS/2 mouse                CN7
                            17         interface

  IDE interface LED         C2         IR connector              IR1

  CPU fan power             C3         32-bit PCI slots       PC1  PC4

  Serial port 1            CN1         USB connector             USB

  Serial port 2            CN2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP14          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP14          Pins 2 & 3
                                                              closed

     On board I/O enabled                    JP18          Pins 1 & 2
                                                              closed

      On board I/O disabled                   JP18          Pins 2 & 3
                                                              closed

     PS/2 mouse enabled                      JP20          Pins 1 & 2
                                                              closed

      PS/2 mouse disabled                     JP20          Pins 2 & 3
                                                              closed

             SIMM CONFIGURATION

     Size          Bank 0        Bank 1

      8MB        (2) 1M x 36      None

     16MB        (2) 2M x 36      None

     16MB        (2) 1M x 36   (2) 1M x 36

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

     32MB        (2) 4M x 36      None

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

     40MB        (2) 4M x 36   (2) 1M x 36

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

     64MB        (2) 8M x 36      None

     64MB        (2) 4M x 36   (2) 4M x 36

     72MB        (2) 8M x 36   (2) 1M x 36

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

     96MB        (2) 8M x 36   (2) 4M x 36

          SIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1

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

     128MB        (2) 16M x 36       None

     136MB        (2) 16M x 36   (2) 1M x 36

     144MB        (2) 16M x 36   (2) 2M x 36

     160MB        (2) 16M x 36   (2) 4M x 36

     192MB        (2) 16M x 36   (2) 8M x 36

     256MB        (2) 16M x 36   (2) 16M x 36

  Note: Board accepts EDO memory.

               DIMM CONFIGURATION

      Size          Bank 2          Bank 3

      8MB         (1) 1M x 64        None

      16MB        (1) 2M x 64        None

      16MB        (1) 1M x 64     (1) 1M x 64

      24MB        (1) 2M x 64     (1) 1M x 64

      32MB        (1) 4M x 64        None

      32MB        (1) 2M x 64     (1) 2M x 64

      40MB        (1) 4M x 64     (1) 1M x 64

      48MB        (1) 4M x 64     (1) 2M x 64

      64MB        (1) 8M x 64        None

      64MB        (1) 4M x 64     (1) 4M x 64

      72MB        (1) 8M x 64     (1) 1M x 64

      80MB        (1) 8M x 64     (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64

     128MB       (1) 16M x 64        None

     128MB        (1) 8M x 64     (1) 8M x 64

     136MB       (1) 16M x 64     (1) 1M x 64

     144MB       (1) 16M x 64     (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64

     256MB       (1) 16M x 64    (1) 16M x 64

            Note: Board accepts SDRAM memory.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (2) 32K x 32

     512KB       (2) 64K x 32

                       CPU SPEED SELECTION (CX 6X86)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  150MHz    60MHz         2x        2 &    1 &   1 &    1 &    2 &    1 &
                                     3     2      2      2     3      2

  166MHz    66MHz         2x        2 &    1 &   1 &    2 &    1 &    1 &
                                     3     2      2      3     2      2

  200MHz    75MHz         2x        2 &    1 &   1 &    1 &    2 &    2 &
                                     3     2      2      2     3      3

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  150MHz    60MHz         2x        2 &    1 &   1 &    1 &    2 &    1 &
                                     3     2      2      2     3      2

  166MHz    66MHz         2x        2 &    1 &   1 &    2 &    1 &    1 &
                                     3     2      2      3     2      2

  200MHz    75MHz         2x        2 &    1 &   1 &    1 &    2 &    2 &
                                     3     2      2      2     3      3

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (CX MII)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  166MHz    60MHz        2.5x       2 &    2 &   1 &    1 &    2 &    1 &
                                     3     3      2      2     3      2

  200MHz    66MHz        2.5x       2 &    2 &   1 &    2 &    1 &    1 &
                                     3     3      2      3     2      2

  233MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    1 &
                                     2     3      2      3     2      2

  266MHz    66MHz        3.5x       1 &    1 &   1 &    1 &    2 &    1 &
                                     2     2      2      2     3      2

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IDT C6)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  150MHz    60MHz        2.5x       2 &    1 &   1 &    1 &    2 &    1 &
                                     3     2      2      2     3      2

  180MHz    60MHz         3x        1 &    2 &   1 &    1 &    2 &    1 &
                                     2     3      2      2     3      2

  200MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    1 &
                                     2     3      2      3     2      2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  90MHz     60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    1 &
                                     2     2      2     2      3      2

  100MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    1 &
                                     2     2      2     3      2      2

  120MHz    60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    1 &
                                     2     2      2     2      3      2

  133MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    1 &
                                     2     2      2     3      2      2

  166MHz    66MHz       1.75x       2 &    2 &   1 &    2 &    1 &    1 &
                                     3     3      2     3      2      2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  166MHz    66MHz        2.5x       2 &    2 &   1 &    2 &    1 &    1 &
                                     3     3      2     3      2      2

  200MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    1 &
                                     2     3      2     3      2      2

  233MHz    66MHz        3.5x       1 &    1 &   1 &    2 &    1 &    1 &
                                     2     2      2     3      2      2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  90MHz     60MHz        1.5x       1 &    1 &   1 &    1 &    2 &    1 &
                                     2     2      2     2      3      2

  100MHz    66MHz        1.5x       1 &    1 &   1 &    2 &    1 &    1 &
                                     2     2      2     3      2      2

  120MHz    60MHz         2x        2 &    1 &   1 &    1 &    2 &    1 &
                                     3     2      2     2      3      2

  133MHz    66MHz         2x        2 &    1 &   1 &    2 &    1 &    1 &
                                     3     2      2     3      2      2

  150MHz    60MHz        2.5x       2 &    2 &   1 &    1 &    2 &    1 &
                                     3     3      2     2      3      2

  166MHz    66MHz        2.5x       2 &    2 &   1 &    2 &    1 &    1 &
                                     3     3      2     3      2      2

  200MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    1 &
                                     2     3      2     3      2      2

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU      Clock    Multiplier    JP1    JP2   JP3    JP4    JP5   JP6
  speed     speed

  150MHz    60MHz        2.5x       2 &    2 &   1 &    1 &    2 &    1 &
                                     3     3      2     2      3      2

  166MHz    66MHz        2.5x       2 &    2 &   1 &    2 &    1 &    1 &
                                     3     3      2     3      2      2

  200MHz    66MHz         3x        1 &    2 &   1 &    2 &    1 &    1 &
                                     2     3      2     3      2      2

  233MHz    66MHz        3.5x       1 &    1 &   1 &    2 &    1 &    1 &
                                     2     2      2     3      2      2

  Note: Pins designated should be in the closed position.

           CPU VOLTAGE SELECTION

       Voltage                JP11

        3.45v           Pins 1 & 2 closed

        3.52v           Pins 3 & 4 closed

         2.9v           Pins 5 & 6 closed

         2.8v           Pins 7 & 8 closed

         3.2v          Pins 9 & 10 closed

