
ACER, INC.

AP5T

Processor            CX 6X86/CX 6X86L/AM K5/AM K6/Pentium
Processor Speed      90/100/120/133/150/166/200/233MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      256MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 AMI
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), USB connector, IR
                     connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Power LED &          C1/pins 1  5   Serial port 1            CN2
  keylock

  Speaker               C1/pins 7 -    Parallel port            CN3
                            10

  Green PC LED         C1/pins 12 &    Floppy drive             CN4
                            13         interface

  Green PC connector   C1/pins 15 -    IDE interface 1          CN5
                            17

  Reset switch         C1/pins 19 &    IDE interface 2          CN6
                            20

  IR connector              C2         USB connector            CN7

  IDE interface LED         C3         PS/2 mouse               CN8
                                       interface

  Chassis fan power         C4         32-bit PCI slots      PC1  PC4

  Serial port 2            CN1

                        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

     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 0          Bank 1

      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

               CACHE CONFIGURATION

          Size                    Bank 0

          256KB                (2) 32K x 32

          512KB                (2) 64K x 32

  Note: The location of bank 0 is unidentified.

                   CPU SPEED SELECTION (CX 6X86/6X 86L)

    CPU       Clock     Multiplier     JP1    JP2     JP3    JP4     JP5
   speed      speed

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU       Clock     Multiplier     JP1    JP2     JP3    JP4     JP5
   speed      speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU       Clock     Multiplier     JP1    JP2     JP3    JP4     JP5
   speed      speed

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock     Multiplier     JP1    JP2     JP3    JP4     JP5
   speed      speed

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

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position. If board is
  AP5T-1, ignore JP5.

                      CPU VOLTAGE SELECTION (SINGLE)

    Voltage          JP7            JP8           JP9           JP10

     3.45v          1 & 2          1 & 2       1 & 2, 3 &       Open
                                                   4

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION (DUAL)

    Voltage       V core        JP7        JP8        JP9         JP10

     3.45v         2.8v        7 & 8      1 & 2       Open       1 & 2, 3
                                                                   & 4

     3.45v         2.9v        5 & 6      1 & 2       Open       1 & 2, 3
                                                                   & 4

     3.45v         3.2v       9 & 10      1 & 2       Open       1 & 2, 3
                                                                   & 4

     3.45v         3.52v       3 & 4      1 & 2       Open       1 & 2, 3
                                                                   & 4

  Note: Pins designated should be in the closed position.

