
SIMA TECHNOLOGY CO., LTD.

I430VX MAINBOARD

Processor           CX M1/AM K5/Pentium
Processor Speed     75/90/100/120/133/150/166/180/200MHz
Chip Set            Intel
Video Chip Set      None
Maximum Onboard     128MB (EDO supported)
Memory
Maximum Video       None
Memory
Cache               256/512KB
BIOS                Award
Dimensions          254mm x 218mm
I/O Options         32-bit PCI slots (4), floppy drive interface, green PC
                    connector, IDE interfaces (2), parallel port, PS/2
                    mouse port, serial ports (2), cache slot, USB
                    connector, VRM connector
NPU Options         None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  Serial port 1             CN1        Speaker                   J8

  Serial port 2             CN2        Power LED &               J9
                                       keylock

  Parallel port             CN3        IDE interface LED         J10

  Floppy drive              CN4        Reset switch              J11
  interface

  IDE interface 1           CN5        Green PC connector   JP14 pins 1 &
                                                                  2

  IDE interface 2           CN6        32-bit PCI slots       PC1 - PC4

  USB connector             CN7        Cache slot                SL1

  PS/2 mouse port           J3         VRM connector             VRM

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

     CMOS memory normal operation            JP7              Open

      CMOS memory clear                       JP7             Closed

     Flash BIOS voltage select 12v           JP8           Pins 2 & 3
                                                              closed

      Flash BIOS voltage select 5v            JP8           Pins 1 & 2
                                                              closed

                  DRAM/DIMM CONFIGURATION

     Size          Bank 0         Bank 1        Bank 2

      8MB       (2) 1M x 36        None          None

      8MB           None           None       (1) 1M x 64

     16MB       (2) 2M x 36        None          None

     16MB           None           None       (1) 2M x 64

     16MB       (2) 1M x 36    (2) 1M x 36       None

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

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

     24MB           None       (2) 1M x 36    (1) 2M x 64

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

     24MB           None       (2) 2M x 36    (1) 1M x 64

     32MB       (2) 4M x 36        None          None

     32MB           None           None       (1) 4M x 64

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

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

     40MB       (2) 1M x 36    (2) 4M x 36       None

     40MB           None       (2) 1M x 36    (1) 4M x 64

     40MB       (2) 4M x 36    (2) 1M x 36       None

     40MB           None       (2) 4M x 36    (1) 1M x 64

     48MB       (2) 2M x 36    (2) 4M x 36       None

     48MB           None       (2) 2M x 36    (1) 4M x 64

     48MB       (2) 4M x 36    (2) 2M x 36       None

     48MB           None       (2) 4M x 36    (1) 2M x 64

     64MB       (2) 8M x 36        None          None

     64MB           None           None       (1) 8M x 64

              DRAM/DIMM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1        Bank 2

     64MB       (2) 4M x 36    (2) 4M x 36       None

     64MB           None       (2) 4M x 36    (1) 4M x 64

     72MB       (2) 1M x 36    (2) 8M x 36       None

     72MB           None       (2) 1M x 36    (1) 8M x 64

     72MB       (2) 8M x 36    (2) 1M x 36       None

     72MB           None       (2) 8M x 36    (1) 1M x 64

     80MB       (2) 2M x 36    (2) 8M x 36       None

     80MB           None       (2) 2M x 36    (1) 8M x 64

     80MB       (2) 8M x 36    (2) 2M x 36       None

     80MB           None       (2) 8M x 36    (1) 2M x 64

     96MB       (2) 4M x 36    (2) 8M x 36       None

     96MB           None       (2) 4M x 36    (1) 8M x 64

     96MB       (2) 8M x 36    (2) 4M x 36       None

     96MB           None       (2) 8M x 36    (1) 4M x 64

     128MB      (2) 8M x 36    (2) 8M x 36       None

     128MB          None       (2) 8M x 36    (1) 8M x 64

  Note: Board accepts EDO memory.

                        DIMM VOLTAGE CONFIGURATION

         Voltage                    JP1                      JP2

             3.3v            Pins 2 & 3 closed        Pins 2 & 3 closed

             5v             Pins 1 & 2 closed        Pins 1 & 2 closed

                            CACHE CONFIGURATION

       Size            Bank 0               SL1                 TAG

    256KB (A)       (2) 32K x 32       Not installed        (1) 32K x 8

    256KB (B)           None           256 KB module            None
                                         installed

    512KB (A)       (2) 32K x 32       256 KB module        (1) 32K x 8
                                         installed

    512KB (B)       (2) 64K x 32       Not installed        (1) 32K x 8

    512KB (C)           None           512 KB module            None
                                         installed

  Note: The location of bank 0 & the TAG are unidentified.

        CACHE JUMPER CONFIGURATION

        Size                 JP3

      256KB (A)       Pins 2 & 3 closed

      256KB (B)              Open

      512KB (A)       Pins 1 & 2 closed

      512KB (B)       Pins 1 & 2 closed

      512KB (C)              Open

                            CPU SPEED SELECTION

   CPU     Clock    Multiplier    JP5      JP6     JP11     JP12     JP13
  speed    speed

  75MHz    50MHz      1.5x       Closed   Closed   Open     Open      2 &
                                                                      3

  90MHz    60MHz      1.5x       Closed   Open     Open     Open      1 &
                                                                      2

  100MHz   66MHz      1.5x       Open     Closed   Open     Open      1 &
                                                                      2

  120MHz   60MHz       2x        Closed   Open     Closed   Open      1 &
                                                                      2

  133MHz   66MHz       2x        Open     Closed   Closed   Open      1 &
                                                                      2

  150MHz   60MHz      2.5x       Closed   Open     Closed   Closed    1 &
                                                                      2

  166MHz   66MHz      2.5x       Open     Closed   Closed   Closed    1 &
                                                                      2

  180MHz   60MHz       3x        Closed   Open     Open     Closed    1 &
                                                                      2

  200MHz   66MHz       3x        Open     Closed   Open     Closed    1 &
                                                                      2

  Note: Pins designated should be in the closed position.

                           CPU VOLTAGE SELECTION

                 Voltage                               JP15

                3.3v (STD/VR)                    Pins 2 & 3 closed

                3.5v (VRE)                      Pins 1 & 2 closed

