
SOYO COMPUTER CO., LTD.

5XA5, 5XAE5

Processor       CX 6X86/CX 6X86L/CX 6X86MX/AM K5/AM K6/Pentium
Processor Speed 75/90/100/120/133/150/166/180/200/233/266/300MHz
Chip Set        Unidentified
Video Chip Set  None
Maximum Onboard 256MB (EDO supported)
Memory
Maximum Video   None
Memory
Cache           512KB
BIOS            Unidentified
Dimensions      305mm x 244mm
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 connector
NPU Options     None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       IR connector               IR1

  Parallel port              CN1       Power LED & keylock        J17

  Serial port 2              CN2       Speaker                    J18

  Serial port 1              CN3       Reset switch               J19

  USB connector 2            CN4       Turbo LED                  J22

  USB connector 1            CN5       IDE interface LED          J24

  PS/2 mouse port            CN6       CPU cooling fan            JP43

  Floppy drive interface     CN7       Wake on LAN connector      JP44

  IDE interface 2            CN8       32-bit PCI slots         PC1  PC4

  IDE interface 1            CN9       Soft off power supply      PW2

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP5           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP5           Pins 2 & 3
                                                              closed

      CE test disabled                        JP40             Open

      CE test enabled                         JP40            Closed

                         DIMM/SIMM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2        Bank 3

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

     8MB        (2) 1M x 36       None           None          None

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

     16MB       (2) 2M x 36       None           None          None

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

     16MB       (2) 1M x 36   (1) 1M x 64        None          None

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

     24MB       (2) 1M x 36   (1) 1M x 64    (1) 1M x 64       None

     24MB       (2) 2M x 36   (1) 1M x 64        None          None

     32MB          None       (1) 4M x 64        None          None

     32MB       (2) 4M x 36       None           None          None

     32MB       (2) 2M x 36   (1) 1M x 64    (1) 1M x 64       None

     32MB       (2) 2M x 36   (1) 2M x 64        None          None

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

     40MB       (2) 1M x 36   (1) 2M x 64    (1) 2M x 64       None

     40MB       (2) 1M x 36       None       (1) 4M x 64       None

     48MB       (2) 2M x 36   (1) 2M x 64    (1) 2M x 64       None

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

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

     64MB       (2) 8M x 36       None           None          None

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

                      DIMM/SIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     72MB        (2) 1M x 36       None       (1) 8M x 64        None

     128MB       (2) 16M x 36      None           None           None

     144MB       (2) 16M x 36  (1) 2M x 64        None           None

     160MB       (2) 16M x 36  (1) 4M x 64        None           None

     256MB       (2) 8M x 36   (1) 8M x 64    (1) 8M x 64        None

            Note: Board accepts EDO memory.

                  DIMM VOLTAGE CONFIGURATION

       Voltage              JP37A                JP37B

        3.3v           Pins 2 & 3 closed   Pins 2 & 3 closed

         5v            Pins 1 & 2 closed   Pins 1 & 2 closed

               CACHE CONFIGURATION

      Size            Bank 0            TAG

      512KB        (1) 64K x 64     (1) 16K x 8

  Note: The location of bank 0 is unidentified.

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

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

  150MHz   60MHz       2x        On      Off     On     Off     Off     Off

  166MHz   66MHz       2x        On      Off     Off    Off     Off     Off

  200MHz   75MHz       2x        On      Off     Off     On     Off     Off

                       CPU SPEED SELECTION (CX 6X86MX)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

  166MHz   60MHz      2.5x       On      On      On     Off     Off     Off

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  200MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  233MHz   66MHz       3x        Off     On      Off    Off     Off     Off

  233MHz   75MHz      2.5x       On      On      Off     On     Off     Off

  266MHz   75MHz       3x        Off     On      Off     On     Off     Off

                         CPU SPEED SELECTION (AM K5)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

  75MHz    50MHz      1.5x       Off     Off     On      On      On     Off

  90MHz    60MHz      1.5x       Off     Off     On     Off     Off     Off

  100MHz   66MHz      1.5x       Off     Off     Off    Off     Off     Off

  120MHz   60MHz      1.5x       Off     Off     On     Off     Off     Off

  133MHz   66MHz      1.5x       Off     Off     Off    Off     Off     Off

  150MHz   60MHz       2x        On      Off     On     Off     Off     Off

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

                         CPU SPEED SELECTION (AM K6)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  200MHz   66MHz       3x        Off     On      Off    Off     Off     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

  266MHz   66MHz       4x        On      Off     Off    Off     Off      On

  300MHz   66MHz      4.5x       On      On      Off    Off     Off      On

                         CPU SPEED SELECTION (INTEL)

   CPU     Clock   Multiplier   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6
  speed    speed

  75MHz    50MHz      1.5x       Off     Off     On      On      On     Off

  90MHz    60MHz      1.5x       Off     Off     On     Off     Off     Off

  100MHz   66MHz      1.5x       Off     Off     Off    Off     Off     Off

  120MHz   60MHz       2x        On      Off     On     Off     Off     Off

  133MHz   66MHz       2x        On      Off     Off    Off     Off     Off

  150MHz   60MHz      2.5x       On      On      On     Off     Off     Off

  166MHz   66MHz      2.5x       On      On      Off    Off     Off     Off

  180MHz   60MHz       3x        Off     On      On     Off     Off     Off

  200MHz   66MHz       3x        Off     On      Off    Off     Off     Off

  233MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

                      CPU VOLTAGE SELECTION (SINGLE)

                Voltage                               JP30

                   3.3v                     Pins 1 & 2, 9 & 10 closed

                  3.52v                   Pins 1 & 2, 11 & 12 closed

                       CPU VOLTAGE SELECTION (DUAL)

               Voltage                                JP30

                   2.1v                         Pins 5 & 6 closed

                  2.8v                    Pins 1 & 2, 11 & 12 closed

                   2.9v                     Pins 1 & 2, 5 & 6 closed

                   3.2v                     Pins 1 & 2, 7 & 8 closed

                       MISCELLANEOUS TECHNICAL NOTE

            If board has problems detecting voltage on older version non
            Intel CPUs, remove the jumper from JP2.


