
TYAN COMPUTER CORPORATION

S1570 (REV. 1.0)

Processor           CX M1/IBM/SGS/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     256MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               512KB
BIOS                AMI/Award
Dimensions          330mm x 218mm
I/O Options         32-bit PCI slots (5), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse interface, serial ports (2), IR connector, USB
                    connectors (2)
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 2            CN1         Power LED             J8/pins 18 &
                                                                 20

  Serial port 1            CN2         Reset switch          J8/pins 22 &
                                                                 23

  Parallel port            CN3         Speaker               J8/pins 24 &
                                                                 27

  Floppy drive             CN4         Chassis fan power         J28
  interface

  IDE interface 2          CN5         Power LED &              JP20
                                       keylock

  IDE interface 1          CN6         Turbo switch             JP24

  PS/2 mouse               CN7         Turbo LED                JP25
  interface

  Green PC connector   J8/pins 3 & 4   32-bit PCI slots       PC1  PC5

  IR connector          J8/pins 6     USB connector 1          USB1
                            11

  IDE interface LED    J8/pins 13     USB connector 2          USB2
                            16

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

     Factory configured - do not          CON1          Unidentified
      alter

     Factory configured - do not           J1           Unidentified
      alter

     Factory configured - do not           JP9          Unidentified
      alter

     Factory configured - do not          JP16        Pins 1 & 2 closed
      alter (matches BIOS installed)

     Factory configured - do not          JP33          Unidentified
      alter

     CMOS memory normal operation         JP38        Pins 1 & 2 closed

      CMOS memory clear                    JP38        Pins 2 & 3 closed

     Factory configured - do not          JP41          Unidentified
      alter

     Factory configured - do not          JP42          Unidentified
      alter

     Factory configured - do not          JP45          Unidentified
      alter

                            DRAM CONFIGURATION

    Size        Bank 0      Bank 1       Bank 2      Bank 3      Bank 4

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

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

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

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

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

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

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

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

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

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

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

    192MB      (2) 16M x     None         None        None       (1) 8M x
                  36                                               64

    256MB      (2) 16M x   (2) 16M x      None        None        None
                  36          36

  Note: Board accepts EDO memory.

                        DIMM VOLTAGE CONFIGURATION

         Voltage                   JP43                     JP44

             3v             Pins 1 & 2 closed       Pins 1 & 2 closed

              5v             Pins 2 & 3 closed       Pins 2 & 3 closed

                        SIMM VOLTAGE CONFIGURATION

    Voltage          JP34           JP35          JP36           JP37

         3v          Open           Open         Closed         Closed

        5v         Closed         Closed         Open           Open

      CACHE CONFIGURATION

      Size          Bank 0

     512KB       (2) 64K x 32

                        CPU SPEED SELECTION (CYRIX)

  CPU speed     Clock       Multiplier       JP10       JP11       JP13
                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 (IBM)

  CPU speed     Clock       Multiplier       JP10       JP11       JP13
                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 (SGS)

  CPU speed     Clock       Multiplier       JP10       JP11       JP13
                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 (AMD)

  CPU speed     Clock      Multiplier      JP10         JP11       JP13
                speed

   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 SPEED SELECTION (INTEL)

  CPU speed     Clock      Multiplier       JP10        JP11       JP13
               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

   180MHz      60MHz           3x           Open       Closed      3 & 4

   200MHz      66MHz           3x           Open       Closed      1 & 2

  Note: Pins designated should be in the closed position.

                       CPU VOLTAGE SELECTION

   Type     JP27      JP28     JP29      JP30      JP31      JP32

  Cyrix      N/A      N/A       N/A      Closed    Open      Open

   P54C     Open     Closed    Open      Open     Closed    Closed

   P55C     Open     Closed    Open      Open     Closed    Closed

                       SERIAL PORT SELECTION

        Setting                 J39                    J40

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

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

