
SOYO COMPUTER CO., LTD.

SY-5EMA+

Device Type        Mainboard
Processor          CX 6X86/CX 686MX/CX MII/AM K5/AM K6/AM K6-2/Pentium/

                   Pentium MMX
Processor Speed    100/133/166/200/233/266/300/333/350MHz
Chip Set           ETEQ
Maximum Onboard    768MB (EDO & SDRAM supported)
Memory
Cache              512/1024KB
BIOS               Award
Dimensions         305mm x 244mm
I/O Options        32-bit PCI slots (5), floppy drive interface, IDE
                   interfaces (2), parallel port, PS/2 mouse port, serial
                   ports (2), IR connector, USB connectors (2), ATX power
                   connector, AGP slot, wake on LAN connector

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  AGP slot                   AGP       Serial port 2              CN2

  ATX power connector        ATX       Serial port 1              CN3

  Reset switch                C1       USB connector 1            CN4

  Soft off power supply       C2       USB connector 2            CN5

  Turbo LED                   C3       PS/2 mouse port            CN6

  IDE interface LED           C4       Floppy drive               CN7
                                       interface

  Power LED & keylock         C5       IDE interface 2            CN8

  Speaker                     C6       IDE interface 1            CN9

  Chassis fan power           C7       IR connector               IR1

  CPU fan power               C8       Wake on LAN connector      JP44

  Parallel port              CN1       32-bit PCI slots         PC1  PC5

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP5           Pins 1 & 2
                                                              closed

      CMOS memory clear                       JP5           Pins 2 & 3
                                                              closed

                      DIMM CONFIGURATION

      Size          Bank 0          Bank 1          Bank 2

      8MB         (1) 1M x 64        None            None

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

      16MB        (1) 2M x 64        None            None

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

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

      32MB        (1) 4M x 64        None            None

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

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

      64MB        (1) 8M x 64        None            None

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

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

     128MB       (1) 16M x 64        None            None

     164MB       (1) 16M x 64     (1) 1M x 64        None

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

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

                  DIMM CONFIGURATION (CONT)

      Size          Bank 0          Bank 1          Bank 2

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

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

     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

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

     256MB       (1) 16M x 64    (1) 16M x 64        None

     256MB       (1) 32M x 64        None            None

     272MB       (1) 32M x 64     (1) 2M x 64        None

     288MB       (1) 32M x 64     (1) 2M x 64    (1) 2M x 64

     288MB       (1) 32M x 64     (1) 4M x 64        None

     320MB       (1) 32M x 64     (1) 4M x 64    (1) 4M x 64

     320MB       (1) 32M x 64     (1) 8M x 64        None

     384MB       (1) 32M x 64     (1) 8M x 64    (1) 8M x 64

     384MB       (1) 32M x 64    (1) 16M x 64        None

     384MB       (1) 16M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 16M x 64    (1) 16M x 64

     512MB       (1) 32M x 64    (1) 32M x 64        None

     768MB       (1) 32M x 64    (1) 32M x 64    (1) 32M x 64

            Note: Board accepts EDO & SDRAM memory.

                       DIMM FREQUENCY CONFIGURATION

    CPU bus      AGP bus        SDRAM       JP8        JP9        JP10
    clock         clock        clock

    66MHz         66MHz        66MHz       2 & 3      2 & 3       1 & 2

    75MHz         75MHz        75MHz       2 & 3      2 & 3       1 & 2

    83MHz         55MHz        55MHz       1 & 2      1 & 2       2 & 3

    83MHz         55MHz        83MHz       1 & 2      2 & 3       1 & 2

    95MHz         63MHz        63MHz       1 & 2      1 & 2       2 & 3

    95MHz         63MHz        95MHz       1 & 2      2 & 3       1 & 2

    100MHz        66MHz        66MHz       1 & 2      1 & 2       2 & 3

    100MHz        66MHz        100MHz      1 & 2      2 & 3       1 & 2

    112MHz        75MHz        75MHz       1 & 2      1 & 2       2 & 3

    112MHz        75MHz        112MHz      1 & 2      2 & 3       1 & 2

    124MHz        82MHz        82MHz       1 & 2      1 & 2       2 & 3

    124MHz        82MHz        124MHz      1 & 2      2 & 3       1 & 2

  Note: Pins designated should be in the closed position.

       CACHE CONFIGURATION

      Size            Bank 0

      512KB        (2) 64K x 32

       1MB        (2) 128K x 32

                        CPU SPEED SELECTION (CX 6X86)

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

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

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

                       CPU SPEED SELECTION (CX 6X86MX)

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

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

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

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

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

  266MHz   83MHz      2.5x       On      On      Off     On      On     Off

                         CPU SPEED SELECTION (CX MII)

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

  300MHz   66MHz      3.5x       Off     Off     Off    Off     Off     Off

  300MHz   75MHz       3x        Off     On      Off    Off      On     Off

  333MHz   66MHz       4x        On      Off     On     Off     Off     Off

  333MHz   75MHz      3.5x       Off     Off     Off    Off      On     Off

  333MHz   83MHz       3x        Off     On      Off     On      On     Off

  333MHz   100MHz     2.5x       On      On      Off    Off     Off      On

  350MHz   100MHz      3x        Off     On      Off    Off     Off      On

                         CPU SPEED SELECTION (AM K5)

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

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

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

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

                        CPU SPEED SELECTION (AM K6-2)

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

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

  300MHz   100MHz      3x        Off     On      Off    Off     Off      On

  333MHz   95MHz      3.5x       Off     Off     Off     On     Off      On

  350MHz   100MHz     3.5x       Off     Off     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

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

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

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

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

                       CPU SPEED SELECTION (INTEL MMX)

   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

     CPU VOLTAGE SELECTION

  Setting     JP1        JP2

  Single     Closed     Open

   Dual       Open     Closed

                           CPU VOLTAGE SELECTION

   Voltage     JP30/pins 1     JP30/pins 3    JP30/pins 5   JP30/pins 7 &
                   & 2            & 4            & 6              8

     2.0          Open            Open           Open           Open

     2.1         Closed           Open           Open           Open

     2.2          Open           Closed          Open           Open

     2.3         Closed          Closed          Open           Open

     2.4          Open            Open          Closed          Open

     2.5         Closed           Open          Closed          Open

     2.6          Open           Closed         Closed          Open

     2.7         Closed          Closed         Closed          Open

     2.8          Open            Open           Open          Closed

     2.9         Closed           Open           Open          Closed

     3.0          Open           Closed          Open          Closed

     3.1         Closed          Closed          Open          Closed

     3.2          Open            Open          Closed         Closed

     3.3         Closed           Open          Closed         Closed

     3.4          Open           Closed         Closed         Closed

     3.5         Closed          Closed         Closed         Closed

