
TYAN COMPUTER CORPORATION

S1470

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 MemoryNone
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 interface,
                    serial ports (2), cache slot, IR connectors (2), USB
                    connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 2              CN1       IR connector              CON12

  Serial port 1              CN2       IDE interface LED          J12

  Floppy drive interface     CN3       Power LED & keylock        J40

  Parallel port              CN4       Speaker                    J41

  IDE interface 2            CN5       Turbo switch               J42

  IDE interface 1            CN6       Reset switch               J49

  USB connector              CN7       Turbo LED                  J50

  PS/2 mouse interface       CN8       32-bit PCI slots         PC1 - PC5

  IR connector              CON11      Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not           J18          Unidentified
      alter

     Factory configured - do not           J26          Unidentified
      alter

     Factory configured - do not           J27          Unidentified
      alter

     Factory configured - do not           J39        Pins 1 & 2 closed
      alter

     CMOS memory normal operation          J43              Open

      CMOS memory clear                     J43             Closed

     Factory configured - do not           J54        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     J2       J4       J6       J9       J14      J15      J16

      3.3v   Open     Closed   Open     Open     Closed   Closed   Open

     5v     Closed   Open     Closed   Closed   Open     Open     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                 J21

        256KB         Pins 2 & 3 closed

        512KB         Pins 1 & 2 closed

                 CACHE TAG CONFIGURATION

          Setting                        J20

        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      J29         J30        J31
                speed

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

   150MHz       60MHz           2x         3 & 4      Closed       Open

   166MHz       66MHz           2x         1 & 2      Closed       Open

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

  CPU speed     Clock      Multiplier      J29        J30          J31
                speed

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

   90MHz        60MHz         1.5x        3 & 4       Open        Open

   100MHz       66MHz         1.5x        1 & 2       Open        Open

   120MHz       60MHz          2x         3 & 4      Closed       Open

   133MHz       66MHz          2x         1 & 2      Closed       Open

   150MHz       60MHz         2.5x        3 & 4      Closed      Closed

   166MHz       66MHz         2.5x        1 & 2      Closed      Closed

   200MHz       66MHz          3x         1 & 2       Open       Closed

  Note: Pins designated should be in the closed position.

                   CPU VOLTAGE SELECTION (CYRIX & P54C)

  Voltage     J58        J60        J61       J62        J63       J64

   3.3v       Open      Open      Closed      Open      Open       Open

   3.5v       Open      Open       Open      Closed     Open       Open

   3.6v       Open     Closed      Open       Open      Open       Open

                CPU VOLTAGE SELECTION (CYRIX & P54C, CONT)

  Voltage     J65        J66       J67        J68        J69       J70

   3.3v       Open      Open      Closed    Closed     Closed     Closed

   3.5v       Open      Open      Closed    Closed     Closed     Closed

   3.6v       Open      Open      Closed    Closed     Closed     Closed

                           CPU VOLTAGE SELECTION (P55C)

  Voltage    J58     J63      J64      J65      J66     J67    J68    J69    J70

  2.65v     Closed  Closed    Open     Open    Closed   Open   Open   Open   Open

  2.85v     Closed   Open    Closed    Open    Closed   Open   Open   Open   Open

    3v      Closed   Open     Open    Closed   Closed   Open   Open   Open   Open

                           SERIAL PORT SELECTION

           Setting                     J10                    J11

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

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

