MECER CORPORATION

B930/B930 VER. B

Processor         Pentium
Processor Speed   75/90/100MHz
Chip Set          Unidentified
Max. Onboard DRAM 128MB
Cache             256/512/1024/2048KB
BIOS              Award
Dimensions        330mm x 218mm
I/O Options       Green PC connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose               Location      Purpose                 Location

  Green PC                JP2         Green PC LED         JP19 pins 13 &
  connector                                                      14

  Green PC                JP12        Turbo switch         JP19 pins 16 &
  connector                                                      17

  Power LED &         JP19 pins 1 -   Reset switch         JP19 pins 19 &
  keylock                  5                                     20

  Speaker             JP19 pins 7 -   Auxiliary keyboard        JP20
                           10         connector

  Turbo LED           JP19 pins 11    32-bit PCI slots       pc1 - pc4
                          & 12

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   CMOS memory normal operation            JP3              Open

      CMOS memory clear                       JP3             Closed

  »   Factory configured - do not             JP16             N/A
      alter

  »   Factory configured - do not             JP17             N/A
      alter

  »   Factory configured - do not             JP18             N/A
      alter

                DRAM CONFIGURATION

      Size            Bank 0           Bank 1

       2MB        (2) 256K x 36         NONE

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

       4MB        (2) 512K x 36         NONE

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

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

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

       8MB         (2) 1M x 36          NONE

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

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

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

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

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

      16MB         (2) 2M x 36          NONE

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

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

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

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

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

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

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

      32MB         (2) 4M x 36          NONE

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

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

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

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

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

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

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

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

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

      64MB         (2) 8M x 36          NONE

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

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

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

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

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

         DRAM CONFIGURATION (CON’T)

     Size          Bank 0        Bank 1

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

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

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

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

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

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

                         DRAM JUMPER CONFIGURATION

          Size                     JP4                      JP5

   Single side SIMM in      pins 1 & 2 closed        pins 1 & 2 closed
         Bank 0

   Double side SIMM in      pins 2 & 3 closed        pins 2 & 3 closed
         Bank 0

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

     256KB        (8) 32K x 8        NONE         (1) 8K x 8

     512KB        (8) 32K x 8     (8) 32K x 8    (1) 32K x 8

      1MB         (8) 64K x 8     (8) 64K x 8    (1) 32K x 8

      1MB        (8) 128K x 8        NONE        (1) 32K x 8

      2MB        (8) 128K x 8    (8) 128K x 8    (1) 64K x 8

                        CACHE JUMPER CONFIGURATION

     Size         JP7         JP8         JP9        JP10         JP11

    256KB         Open       1 & 2       1 & 2      1 & 2, 3     1 & 2
                                                      & 4

    512KB        2 & 3       1 & 2       1 & 2      2 & 3, 4     2 & 3
                                                      & 5

     1MB         2 & 3       2 & 3       1 & 2      2 & 3, 4     2 & 3
                                                      & 5

     1MB         2 & 3       2 & 3       2 & 3      1 & 2, 3     1 & 2
                                                      & 4

     2MB         2 & 3       2 & 3       2 & 3      2 & 3, 4     2 & 3
                                                      & 5

  Note: Pins designated should be in the closed position.

                CPU SPEED CONFIGURATION

           Speed                        JP6

           75MHz                 pins 1 & 2 closed

           90MHz                 pins 3 & 4 closed

          100iMHz            pins 1 & 2, 5 & 6 closed