CHAINTECH COMPUTER COMPANY, LTD.

5IEM2.2

Processor             CX M1/Pentium
Processor Speed       75/90/100/120/133/150/166MHz
Chip Set              Intel
Video Chip Set        None
Maximum Onboard       128MB (EDO supported)
Memory
Maximum Video Memory  None
Cache                 256/512KB
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), VRM connector, cache slot, IR
                      connector
NPU Options           None

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                  Location

  VRM module connector       CN1       Speaker                    J12

  Serial port 1               J5       Turbo LED                  J13

  Serial port 2               J6       Power LED & keylock        J14

  Parallel port               J7       Reset switch               J15

  Floppy drive interface      J8       IR connector               JP3

  IDE interface 1             J9       Green PC connector         JP12

  IDE interface 2            J10       32-bit PCI slots         PC1 - PC4

  IDE interface LED          J11       Cache slot                 SL1

                        USER CONFIGURABLE SETTINGS

              Function                   Label            Position

  »   VRM on board regulator              CN1               Open
      disabled

      VRM on board regulator              CN1        Pins 6 & 7, 21 & 22
      enabled                                              closed

  »   IR connector type select            JP3         Pins 1 - 5 closed
      Intel

      IR connector type select HP         JP3         Pins 3 - 6 closed

  »   Factory configured - do not         JP20          Unidentified
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       4MB        (2) 512K x 36         None

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

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

       8MB         (2) 1M x 36          None

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

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

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

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

      32MB             None         (2) 4M x 36

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

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

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

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

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

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

                        DRAM CONFIGURATION (CON’T)

          Size                    Bank 0                   Bank 1

          72MB                 (2) 1M x 36              (2) 8M 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. Banks
  are interchangeable.

                            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) 16K or        Not installed
                                     (1) 32K x 8

      512KB             None            None             512KB module
                                                          installed

        CACHE JUMPER CONFIGURATION

        Size                 JP10

        256KB         Pins 1 & 2 closed

        512KB         Pins 2 & 3 closed

                CACHE TYPE CONFIGURATION

            Type                       JP13

        Mixed cache          Pins 1 & 5, 2 & 6 closed

         3.3v cache          Pins 3 & 7, 4 & 8 closed

                        CPU SPEED SELECTION (CYRIX)

    CPU       Clock     Multiplier     JP9     JP11     JP15       JP16
   speed      speed

  120MHz      66MHz        1.5x         1 &    2 & 3    Open       Open
                                       3, 4
                                       & 6

  150MHz      60MHz         2x          2 &    2 & 3    Open      Closed
                                       4, 3
                                       & 5

  166MHz      66MHz         2x          1 &    2 & 3    Open      Closed
                                       3, 4
                                       & 6

  Note: Pins designated should be in the closed position.

                        CPU SPEED SELECTION (INTEL)

    CPU       Clock    Multiplier     JP9     JP11     JP15       JP16
   speed     speed

   75MHz     50MHz        1.5x        3 &     1 & 2    Open       Open
                                      5, 4
                                      & 6

   90MHz     60MHz        1.5x        2 &     2 & 3    Open       Open
                                      4, 3
                                      & 5

  100MHz     66MHz        1.5x        1 &     2 & 3    Open       Open
                                      3, 4
                                      & 6

  120MHz     60MHz         2x         2 &     2 & 3    Open      Closed
                                      4, 3
                                      & 5

  133MHz     66MHz         2x         1 &     2 & 3    Open      Closed
                                      3, 4
                                      & 6

  150MHz     60MHz        2.5x        2 &     2 & 3   Closed     Closed
                                      4, 3
                                      & 5

  166MHz     66MHz        2.5x        1 &     2 & 3   Closed     Closed
                                      3, 4
                                      & 6

  Note: Pins designated should be in the closed position.

          CPU VOLTAGE SELECTION

       Voltage               JP14

        3.3v          Pins 1 & 2 closed

        3.4v          Pins 3 & 4 closed

        3.5v          Pins 5 & 6 closed