
ACER, INC.

AX5TC

Device Type      Mainboard
Processor        CX 6X86/CX 6X86L/CX 686MX/AM K5/AM K6/IDT/Pentium/Pentium
                 MMX
Processor Speed  90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set         Intel
Video Chip Set   None
Maximum Onboard  256MB (EDO & SDRAM supported)
Memory
Maximum Video    None
Memory
Cache            512KB
BIOS             Award
Dimensions       305mm x 208mm
I/O Options      32-bit PCI slots (4), floppy drive interface, green PC
                 connector, IDE interfaces (2), parallel port, PS/2 mouse
                 port, serial ports (2), IR connector, USB connectors (2),
                 ATX power connector
NPU Options      None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  ATX power                ATX         Parallel port             CN1
  connector

  Power LED &          C1/pins 1 - 5   Serial port 2             CN2
  keylock

  Speaker               C1/pins 7 -    Serial port 1             CN3
                            10

  Reset switch         C1/pins 19 &    USB connector 1           CN4
                            20

  Wake on LAN               C2         USB connector 2           CN5
  connector

  Wake on modem             C3         PS/2 mouse port           CN6
  connector

  IDE interface LED         C4         Floppy drive              CN7
                                       interface

  Soft off power            C5         IDE interface 2           CN8
  supply

  Chassis fan power         C6         IDE interface 1           CN9

  Chassis fan power         C7         IR connector              IR1

  Chassis fan power         C8         32-bit PCI slots       PC1 - PC4

  SB link connector         C9

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP14          Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP14          Pins 2 & 3
                                                              closed

                    DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (1) 1M x 64        None          None

     16MB       (1) 2M x 64        None          None

     16MB       (1) 1M x 64    (1) 1M x 64       None

     24MB       (1) 2M x 64    (1) 1M x 64       None

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

     32MB       (1) 4M x 64        None          None

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

     32MB       (1) 2M x 64    (1) 2M x 64       None

     40MB       (1) 4M x 64    (1) 1M x 64       None

     40MB       (1) 2M x 64    (1) 2M x 64    (1) 1M x 64

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

     48MB       (1) 4M x 64    (1) 2M x 64       None

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

     56MB       (1) 4M x 64    (1) 2M x 64    (1) 1M x 64

     64MB       (1) 8M x 64        None          None

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

     64MB       (1) 4M x 64    (1) 4M x 64       None

                  DIMM CONFIGURATION (CON'T)

      Size          Bank 0          Bank 1          Bank 2

      72MB        (1) 8M x 64     (1) 1M x 64        None

      72MB        (1) 4M x 64     (1) 4M x 64    (1) 1M x 64

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

      80MB        (1) 8M x 64     (1) 2M x 64        None

      80MB        (1) 4M x 64     (1) 4M x 64    (1) 2M x 64

      88MB        (1) 8M x 64     (1) 2M x 64    (1) 1M x 64

      96MB        (1) 8M x 64     (1) 2M x 64    (1) 2M x 64

      96MB        (1) 8M x 64     (1) 4M x 64        None

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

     104MB        (1) 8M x 64     (1) 4M x 64    (1) 1M x 64

     112MB        (1) 8M x 64     (1) 4M x 64    (1) 2M x 64

     128MB       (1) 16M x 64        None            None

     128MB        (1) 8M x 64     (1) 4M x 64    (1) 4M x 64

     128MB        (1) 8M x 64     (1) 8M x 64        None

     136MB       (1) 16M x 64     (1) 1M x 64        None

     136MB        (1) 8M x 64     (1) 8M x 64    (1) 1M x 64

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

     144MB       (1) 16M x 64     (1) 2M x 64        None

     144MB        (1) 8M x 64     (1) 8M x 64    (1) 2M x 64

     152MB       (1) 16M x 64     (1) 2M x 64    (1) 1M x 64

     160MB       (1) 16M x 64     (1) 2M x 64    (1) 2M x 64

     160MB       (1) 16M x 64     (1) 4M x 64        None

     160MB        (1) 8M x 64     (1) 8M x 64    (1) 4M x 64

     168MB       (1) 16M x 64     (1) 4M x 64    (1) 1M x 64

     176MB       (1) 16M x 64     (1) 4M x 64    (1) 2M x 64

     192MB       (1) 16M x 64     (1) 4M x 64    (1) 4M x 64

     192MB       (1) 16M x 64     (1) 8M x 64        None

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

     200MB       (1) 16M x 64     (1) 8M x 64    (1) 1M x 64

     208MB       (1) 16M x 64     (1) 8M x 64    (1) 2M x 64

     224MB       (1) 16M x 64     (1) 8M x 64    (1) 4M x 64

     256MB       (1) 16M x 64     (1) 8M x 64    (1) 8M x 64

            Note: Board accepts EDO & SDRAM memory.

                CACHE CONFIGURATION

  Note: The location of the cache is unidentified.

                       CPU SPEED SELECTION (CX 6X86)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86L)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (CX 6X86MX)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K5)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (AM K6)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                       CPU SPEED SELECTION (IDT C6)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

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

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

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

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

  Note: Pins designated should be in the closed position.

                      CPU SPEED SELECTION (INTEL MMX)

    CPU     Clock    Multiplier    S1/1   S1/2    S1/3   JP4   JP5   JP6
  speed     speed

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

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

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

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

  Note: Pins designated should be in the closed position.

                     CPU VOLTAGE SELECTION

  Voltage     S1/4      S1/5       S1/6       S1/7      S1/8

   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

