
CHAINTECH COMPUTER COMPANY, LTD.

5SEM4.1

Processor              Pentium
Processor Speed        75/90/100/120/133/150MHz
Chip Set               SIS
Video Chip Set         None
Maximum Onboard Memory 128MB (EDO supported)
Maximum Video Memory   None
Cache                  256/512/1024KB
BIOS                   Award
Dimensions             275mm x 220mm
I/O Options            32-bit PCI slots (4), floppy drive interface, green
                       PC connector, IDE interfaces (2), parallel port,
                       serial ports (2), cache slot, IR connector, VRM
                       connector
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  Serial port 1               J4       Power LED & keylock        J13

  Serial port 2               J5       Speaker                    J15

  Floppy drive interface      J6       Reset switch               J16

  Parallel port               J7       Turbo LED                  J17

  IDE interface 1             J8       IDE interface LED          J18

  IDE interface 2             J9       IR connector               JP25

  Green PC LED               J10       32-bit PCI slots         PC1 - PC4

  Green PC connector         J11       Cache slot                 SL1

  Turbo switch               J12       VRM connector              VRM

                        USER CONFIGURABLE SETTINGS

                 Function                     Label         Position

      CPU clock select clock/2 (60/66MHz)      JP8            Open

      CPU clock select clock = clock           JP8           Closed
      (50MHz)

      IR connector type select Intel          JP25      Pins 1 - 4 closed

      IR connector type select                JP25      Pins 2 - 6 closed
      Hewlett-Packard

      VRM on board regulator disabled          VRM            Open

      VRM on board regulator enabled           VRM       Pins 6 & 7, 21 &
                                                            22 closed

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         None

       4MB        (2) 512K x 36         None

       4MB        (2) 256K x 36    (2) 256K x 36

       6MB        (2) 512K x 36    (2) 256K x 36

       8MB         (2) 1M x 36          None

       8MB        (2) 512K x 36    (2) 512K x 36

      10MB         (2) 1M x 36     (2) 256K x 36

      12MB         (2) 1M x 36     (2) 512K x 36

      16MB         (2) 2M x 36          None

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

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

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

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

      32MB         (2) 4M x 36          None

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

      34MB         (2) 4M x 36     (2) 256K x 36

      36MB         (2) 4M x 36     (2) 512K x 36

      40MB         (2) 4M x 36      (2) 1M x 36

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

      64MB         (2) 8M x 36          None

      64MB         (2) 4M x 36      (2) 4M x 36

                    DRAM CONFIGURATION (CONT)

         Size                 Bank 0                Bank 1

         66MB              (2) 8M x 36           (2) 256K x 36

         68MB              (2) 8M x 36           (2) 512K x 36

         72MB              (2) 8M x 36            (2) 1M x 36

         80MB              (2) 8M x 36            (2) 2M x 36

         96MB              (2) 8M x 36            (2) 4M x 36

        128MB              (2) 8M x 36            (2) 8M x 36

  Note: Board accepts EDO memory. Board also accepts x 32 SIMMs.

                            CACHE CONFIGURATION

      Size             Bank 0            TAG                 SL1

      256KB         (8) 32K x 8       (1) 8K x 8        Not installed

      256KB             None             None            256KB module
                                                          installed

      512KB         (8) 64K x 8      (1) 32K x 8        Not installed

      512KB             None             None            512KB module
                                                          installed

       1MB          (8) 128K x 8     (1) 32K x 8        Not installed

                  CACHE JUMPER CONFIGURATION

        Size                 JP13                 JP14

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

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

         1MB           Pins 2 & 3 closed   Pins 2 & 3 closed

              CACHE VOLTAGE CONFIGURATION

          Voltage                      JP11

           Mixed             Pins 3 & 4, 5 & 6 closed

            3.3v             Pins 1 & 2, 7 & 8 closed

         CACHE TYPE CONFIGURATION

        Type                 JP12

    Asynchronous      Pins 1 & 2 closed

   Pipeline burst     Pins 2 & 3 closed

                            CPU SPEED SELECTION

    CPU      Clock    Multiplier     JP9       JP10      JP19      JP20
  speed     speed

  75MHz     50MHz        1.5x       Closed    Closed     Open      Open

  90MHz     60MHz        1.5x       Closed     Open      Open      Open

  100MHz    66MHz        1.5x        Open     Closed     Open      Open

  120MHz    60MHz         2x        Closed     Open     Closed     Open

  133MHz    66MHz         2x        Closed     Open     Closed     Open

  150MHz    60MHz        2.5x       Closed     Open     Closed    Closed

          CPU VOLTAGE SELECTION

       Voltage               JP18

        3.3v          Pins 1 & 2 closed

        3.4v          Pins 3 & 4 closed

        3.5v          Pins 5 & 6 closed

