
TYAN COMPUTER CORPORATION

S1472

Processor            CX M1/SGS/IBM/Pentium
Processor Speed      75/90/100/120/133/150/166/200MHz
Chip Set             Intel
Video Chip Set       None
Maximum Onboard      128MB (EDO supported)
Memory
Maximum Video Memory None
Cache                256/512KB
BIOS                 AMI/Award
Dimensions           330mm x 218mm
I/O Options          32-bit PCI slots (5), floppy drive interface, IDE
                     interfaces (2), parallel port, PS/2 mouse port, serial
                     ports (2), cache slot, IR connectors (2), USB
                     connectors (2), ATX power connector
NPU Options          None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  ATX power connector        ATX       IDE interface LED          J47

  Serial port 1              CN1       Speaker                    J48

  Parallel port              CN2       Reset switch               J49

  PS/2 mouse port            CN3       Turbo switch               J50

  Serial port 2              CN4       Turbo LED                  J51

  Floppy drive interface     CN5       Power LED & keylock        J52

  IDE interface 2            CN6       32-bit PCI slots         PC1 - PC5

  IDE interface 1            CN7       Cache slot                 SL1

  IR connector               CON4      USB connector 1            USB1

  IR connector              CON10      USB connector 2            USB2

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J10          Unidentified
      alter

     Factory configured - do not           J11          Unidentified
      alter

      ATX power on                          J20              Open

      ATX power off                         J20             Closed

     Factory configured - do not           J26          Unidentified
      alter

     Factory configured - do not           J32          Unidentified
      alter

     Factory configured - do not           J37          Unidentified
      alter

     CMOS memory normal operation          J38              Open

      CMOS memory clear                     J38             Closed

     Factory configured - do not           J46        Pins 1 & 2 closed
      alter

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2         Bank 3

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

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

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

     16MB       (2) 2M x 32        None          None           None

     16MB       (2) 1M x 32    (2) 1M x 32       None           None

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

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

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

     64MB       (2) 8M x 32        None          None           None

     64MB       (2) 4M x 32    (2) 4M x 32       None           None

     64MB       (2) 4M x 32        None          None        (1) 4M x 64

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

     96MB       (2) 8M x 32    (2) 4M x 32       None           None

     96MB       (2) 8M x 32        None          None        (1) 4M x 64

     128MB      (2) 8M x 32    (2) 8M x 32       None           None

  Note: Board accepts EDO memory.

                        DRAM VOLTAGE CONFIGURATION

  Voltage     J3       J4       J5       J27      J28      J29      J30

      3.3v   Closed   Closed   Closed   Open     Open     Open     Open

     5v     Open     Open     Open     Closed   Closed   Closed   Closed

                            CACHE CONFIGURATION

      Size          Bank 0             SL1                   TAG

     256KB       (2) 32K x 32     Not installed          Unidentified

     512KB       (2) 32K x 32      256KB module          Unidentified
                                    installed

        CACHE JUMPER CONFIGURATION

        Size                  J7

        256KB         Pins 2 & 3 closed

        512KB         Pins 1 & 2 closed

                 CACHE TAG CONFIGURATION

          Setting                        J8

        TAG enabled                    Closed

        TAG disabled                    Open

  Note: Jumper only used if COAST module is installed.

                    CPU SPEED SELECTION (CYRIX/SGS/IBM)

  CPU speed      Clock      Multiplier        J21         J22       J31
                speed

   120MHz       50MHz           2x           Closed      Open      1 & 2,
                                                                   3 & 4

   150MHz       60MHz           2x           Closed      Open      3 & 4

   166MHz       66MHz           2x           Closed      Open      1 & 2

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed     Clock      Multiplier        J21         J22        J31
                speed

   75MHz        50MHz         1.5x           Open        Open      1 & 2,
                                                                   3 & 4

   90MHz        60MHz         1.5x           Open        Open      3 & 4

   100MHz       66MHz         1.5x           Open        Open      1 & 2

   120MHz       60MHz          2x           Closed       Open      3 & 4

   133MHz       66MHz          2x           Closed       Open      1 & 2

   150MHz       60MHz         2.5x          Closed      Closed     3 & 4

   166MHz       66MHz         2.5x          Closed      Closed     1 & 2

   200MHz       66MHz          3x            Open       Closed     1 & 2

  Note: Pins designated should be in the closed position.

                     CPU VOLTAGE SELECTION (P55C ONLY)

  Voltage   J14    J15      J16      J17     J18    J19     J54      J55

   2.6v     Open   Open    Closed    Open    Open   Open   Closed   Closed

   2.8v     Open   Open     Open    Closed   Open   Open   Closed   Closed

    3v      Open  Closed    Open     Open    Open   Open   Closed   Closed

                          POWER SUPPLY SELECTION

    Setting         J14         J15        J16        J17         J18

       ATX       Closed       Open       Open        Open       Closed

         AT       Closed       Open       Open        Open       Closed

                      POWER SUPPLY SELECTION (CONT)

   Setting        J19          J33         J53         J54        J55

       ATX      Closed       Open         Open       Open        Open

        AT       Closed      Closed       Closed      Open       Closed

                         SERIAL PORT SELECTION

        Setting                   J24                     J25

  Used as serial port      Pins 1 & 2 closed       Pins 1 & 2 closed

  Used as IR connector     Pins 2 & 3 closed       Pins 2 & 3 closed

