
ACER, INC.

AP5TC

Device Type       Mainboard
Processor         CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/IDT C6/Pentium/

                  Pentium MMX
Processor Speed   90/100/120/133/150/166/200/233/266/300MHz
Chip Set          Intel
Video Chip Set    None
Maximum Onboard   256MB (EDO & SDRAM supported)
Memory
Maximum Video     None
Memory
Cache             256/512KB
BIOS              Award
Dimensions        250mm 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
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

  IDE interface LED         C2         PS/2 mouse                CN7
                                       interface

  CPU fan power             C3         IR connector              IR1

  SB link connector         C4         32-bit PCI slots       PC1  PC4

  Serial port 2            CN1         USB connector             USB

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP14          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP14          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 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

  Note: The location of the cache is unidentified.

      CACHE CONFIGURATION

      Size          Bank 0

     256KB       (1) 32K x 64

     512KB       (1) 64K x 64

                       CPU SPEED SELECTION (CX 6X86)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

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

  233MHz   83MHz        2x       2 &   1 &    2 &    On     Off      Off
                                  3     2     3

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

  266MHz   66MHz        4x       2 &   1 &    1 &    On     Off      On
                                  3     2     2

  300MHz   66MHz       4.5x      2 &   1 &    1 &    On      On      On
                                  3     2     2

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IDT C6)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

  150MHz   75MHz        2x       1 &   2 &    2 &    On     Off      Off
                                  2     3     3

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

   CPU      Clock   Multiplier   JP4   JP5    JP6   SW1/1   SW1/2   SW1/3
  speed    speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU VOLTAGE SELECTION (SINGLE)

                Voltage                               JP12

                  3.45v                        Pins 1 & 2 closed

                   3.52v                        Pins 2 & 3 closed

                 CPU VOLTAGE SELECTION (DUAL)

  Voltage    SW1/4      SW1/5     SW1/6      SW1/7     SW1/8

   1.30v      Off        Off       Off        Off        On

   1.35v       On        Off       Off        Off        On

   1.40v      Off        On        Off        Off        On

   1.45v       On        On        Off        Off        On

   1.50v      Off        Off        On        Off        On

   1.55v       On        Off        On        Off        On

   1.60v      Off        On         On        Off        On

   1.65v       On        On         On        Off        On

   1.70v      Off        Off       Off         On        On

   1.75v       On        Off       Off         On        On

   1.80v      Off        On        Off         On        On

   1.85v       On        On        Off         On        On

   1.90v      Off        Off        On         On        On

   1.95v       On        Off        On         On        On

   2.00v      Off        On         On         On        On

   2.05v       On        On         On         On        On

   2.0v       Off        Off       Off        Off       Off

   2.1v        On        Off       Off        Off       Off

   2.2v       Off        On        Off        Off       Off

   2.3v        On        On        Off        Off       Off

   2.4v       Off        Off        On        Off       Off

   2.5v        On        Off        On        Off       Off

   2.6v       Off        On         On        Off       Off

   2.7v        On        On         On        Off       Off

   2.8v       Off        Off       Off         On       Off

   2.9v        On        Off       Off         On       Off

   3.0v       Off        On        Off         On       Off

   3.1v        On        On        Off         On       Off

   3.2v       Off        Off        On         On       Off

   3.3v        On        Off        On         On       Off

   3.4v       Off        On         On         On       Off

   3.5v        On        On         On         On       Off

