
SOYO COMPUTER CO., LTD.

SY-5SM2/M5

Processor          CX M1/Pentium
Processor Speed    75/90/100/120/133/150/166/180/200MHz
Chip Set           SIS
Maximum Onboard    256MB
Memory
Cache              256/512KB
BIOS               Award
Dimensions         330mm x 220mm
I/O Options        32-bit PCI slots (3), green PC connector, floppy drive
                   interface, IDE interfaces (2), parallel port, PS/2 mouse
                   interface, serial ports (2), VGA feature connector, VGA
                   interface, cache slot, audio connector, wave table
                   connector, VRM connector
NPU Options        None

[Image]

                                CONNECTIONS

        Function            Label            Function            Label

  Serial port 2              CN1       Speaker                    J18

  Serial port 1              CN2       Reset switch               J19

  Floppy drive interface     CN3       External battery           J20

  Parallel port              CN4       Turbo LED                  J22

  IDE interface 2            CN5       Green PC connector         JP25

  IDE interface 1            CN6       VRM connector              JP46

  VGA interface              CN7       Wave table connector       JP52

  VGA feature connector      CN8       IDE interface LED 1        LED1

  Audio connector            CN9       IDE interface LED 2        LED2

  PS/2 mouse interface        J1       32-bit PCI slots         PC1 - PC3

  Power LED & keylock        J17       Cache slot                 SL1

  Note: CN7, CN8 and JP46 are optional and may not be present.

                        USER CONFIGURABLE SETTINGS

               Setting                    Label            Position

     Factory configured - do not          J21           Unidentified
      alter

     Monitor type select color            JP3              Closed

      Monitor type select monochrome       JP3               Open

     CMOS memory normal operation         JP5        Pins 1 & 2 closed

      CMOS memory clear                    JP5        Pins 2 & 3 closed

     Factory configured - do not          JP28          Unidentified
      alter

     Factory configured - do not          JP29          Unidentified
      alter

     Factory configured - do not          JP30        Pins 3 & 5, 4 & 6
      alter                                                 closed

     Factory configured - do not          JP31          Unidentified
      alter

     Factory configured - do not          JP32       Pins 2 & 3 closed
      alter

     Pipeline mode enabled                JP33       Pins 2 & 3 closed

      Pipeline mode disabled               JP33       Pins 1 & 2 closed

     Cache type select write back         JP34       Pins 1 & 2 closed

      Cache type select write              JP34       Pins 2 & 3 closed
      through

     Factory configured - do not          JP36             Closed
      alter

     Factory configured - do not          JP37             Closed
      alter

     Factory configured - do not          JP47          Unidentified
      alter

     Factory configured - do not          JP48       Pins 1 & 2 closed
      alter

     Factory configured - do not          JP50             Closed
      alter

     Factory configured - do not          JP51             Closed
      alter

     Factory configured - do not          JP53             Closed
      alter

     PS/2 mouse disabled                  JPS2              Open

      PS/2 mouse enabled                   JPS2             Closed

                                   DRAM

     Size          Bank 0        Bank 1         Bank 2         Bank 3

     2MB            None        (1) 512K x       None           None
                                   32

     2MB            None          None           None       (1) 512K x 32

     2MB         (1) 256K x     (1) 256K x       None           None
                     36            36

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

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

     4MB         (1) 256K x     (1) 256K x     (1) 256K x   (1) 256K x 36
                     36            36             36

     4MB         (1) 512K x     (1) 512K x       None           None
                     36            36

     6MB         (1) 512K x     (1) 512K x     (1) 256K x   (1) 256K x 36
                     36            36             36

     6MB         (1) 256K x     (1) 256K x     (1) 512K x   (1) 512K x 36
                     36            36             36

     8MB            None       (1) 2M x 32       None           None

     8MB            None          None           None        (1) 2M x 32

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

     8MB         (1) 512K x     (1) 512K x     (1) 512K x   (1) 512K x 36
                     36            36             36

     10MB       (1) 1M x 36    (1) 1M x 36     (1) 256K x   (1) 256K x 36
                                                  36

     10MB        (1) 256K x     (1) 256K x    (1) 1M x 36    (1) 1M x 36
                     36            36

     12MB       (1) 1M x 36    (1) 1M x 36     (1) 512K x   (1) 512K x 36
                                                  36

     12MB        (1) 512K x     (1) 512K x    (1) 1M x 36    (1) 1M x 36
                     36            36

     16MB           None       (1) 4M x 32       None           None

     16MB           None          None           None        (1) 4M x 32

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

     16MB       (1) 1M x 36    (1) 1M x 36    (1) 1M x 36    (1) 1M x 36

     18MB       (1) 2M x 36    (1) 2M x 36     (1) 256K x   (1) 256K x 36
                                                  36

     18MB        (1) 256K x     (1) 256K x    (1) 2M x 36    (1) 2M x 36
                     36            36

     20MB       (1) 2M x 36    (1) 2M x 36     (1) 512K x   (1) 512K x 36
                                                  36

     20MB        (1) 512K x     (1) 512K x    (1) 2M x 36    (1) 2M x 36
                     36            36

     24MB       (1) 2M x 36    (1) 2M x 36    (1) 1M x 36    (1) 1M x 36

     24MB       (1) 1M x 36    (1) 1M x 36    (1) 2M x 36    (1) 2M x 36

     32MB       (1) 4M x 36    (1) 4M x 36       None           None

     32MB       (1) 2M x 36    (1) 2M x 36    (1) 2M x 36    (1) 2M x 36

     34MB       (1) 4M x 36    (1) 4M x 36     (1) 256K x   (1) 256K x 36
                                                  36

     34MB        (1) 256K x     (1) 256K x    (1) 4M x 36    (1) 4M x 36
                     36            36

     36MB       (1) 4M x 36    (1) 4M x 36     (1) 512K x   (1) 512K x 36
                                                  36

     36MB        (1) 512K x     (1) 512K x    (1) 4M x 36    (1) 4M x 36
                     36            36

     40MB       (1) 4M x 36    (1) 4M x 36    (1) 1M x 36    (1) 1M x 36

     40MB       (1) 1M x 36    (1) 1M x 36    (1) 4M x 36    (1) 4M x 36

     48MB       (1) 4M x 36    (1) 4M x 36    (1) 2M x 36    (1) 2M x 36

     48MB       (1) 2M x 36    (1) 2M x 36    (1) 4M x 36    (1) 4M x 36

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

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

     64MB       (1) 4M x 36    (1) 4M x 36    (1) 4M x 36    (1) 4M x 36

    128MB       (1) 16M x 36   (1) 16M x 36      None           None

                               DRAM (CONT)

     Size          Bank 0         Bank 1        Bank 2          Bank 3

     130MB      (1) 16M x 36   (1) 16M x 36    (1) 256K x     (1) 256K x
                                                  36              36

     130MB       (1) 256K x     (1) 256K x    (1) 16M x 36   (1) 16M x 36
                     36             36

     132MB      (1) 16M x 36   (1) 16M x 36    (1) 512K x     (1) 512K x
                                                  36              36

     132MB       (1) 512K x     (1) 512K x    (1) 16M x 36   (1) 16M x 36
                     36             36

     136MB      (1) 16M x 36   (1) 16M x 36   (1) 1M x 36    (1) 1M x 36

     136MB      (1) 1M x 36    (1) 1M x 36    (1) 16M x 36   (1) 16M x 36

     144MB      (1) 16M x 36   (1) 16M x 36   (1) 2M x 36    (1) 2M x 36

     144MB      (1) 2M x 36    (1) 2M x 36    (1) 16M x 36   (1) 16M x 36

     160MB      (1) 16M x 36   (1) 16M x 36   (1) 4M x 36    (1) 4M x 36

     160MB      (1) 4M x 36    (1) 4M x 36    (1) 16M x 36   (1) 16M x 36

     256MB      (1) 16M x 36   (1) 16M x 36   (1) 16M x 36   (1) 16M x 36

            Note: Board accepts EDO memory. Board also accepts X 32
            SIMMs. If only Bank 1 or Bank 3 is populated, x 32 SIMMs must
            be used.

                                CACHE SIZE

       Size              Bank 0              TAG               SL1

       256KB          (2) 32K x 32     (1) 8K/16K x 8     Not installed

       512KB          (2) 32K x 32     (1) 16K/32K x 8      Installed

                         CACHE JUMPER

        Size                 JP26                 JP27

        256KB          Pins 1 & 2 closed   Pins 1 & 2 closed

        512KB          Pins 2 & 3 closed   Pins 1 & 2 closed

                  CPU BURST MODE TYPE

          Setting                      JP40

    Cyrix (linear burst)         Pins 2 & 3 closed

  Intel (interleave burst)       Pins 1 & 2 closed

                             CPU SPEED (CYRIX)

   Setting     Multiplier       JP23        JP24        JP38       JP42

   120MHz          2x          Closed      Closed     Pins 2 & 3   Open
                                                       closed

   150MHz          2x          Closed       Open      Pins 2 & 3   Open
                                                       closed

   166MHz          2x           Open       Closed     Pins 2 & 3   Open
                                                       closed

   200MHz          3x          Closed      Closed     Pins 1 & 2   Open
                                                       closed

                             CPU SPEED (INTEL)

  Setting      Multiplier      JP23       JP24        JP38        JP42

   75MHz          1.5x        Closed     Closed      Pins 1 &     Open
                                                    2 closed

   90MHz          1.5x        Closed      Open       Pins 1 &     Open
                                                    2 closed

   100MHz         1.5x         Open      Closed      Pins 1 &     Open
                                                    2 closed

   100MHz          2x         Closed     Closed      Pins 2 &     Open
                                                    3 closed

   120MHz          2x         Closed      Open       Pins 2 &     Open
                                                    3 closed

   133MHz          2x          Open      Closed      Pins 2 &     Open
                                                    3 closed

   150MHz         2.5x        Closed      Open       Pins 2 &    Closed
                                                    3 closed

   166MHz         2.5x         Open      Closed      Pins 2 &    Closed
                                                    3 closed

   180MHz          3x         Closed     Closed      Pins 1 &    Closed
                                                    2 closed

   200MHz          3x          Open      Closed      Pins 1 &    Closed
                                                    2 closed

                          CPU VOLTAGE

    Setting          JP43            JP44            JP45

      3.3v          Closed           Open            Open

  3.45v - 3.6v       Open           Closed           Open

