
MECER CORPORATION

B910

Processor         Pentium
Processor Speed   50/60/66MHz
Chip Set          FOREX
Max. Onboard DRAM 128MB
Cache             64/128/256/512/1024/2048KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit VESA local bus slots (3), green PC connector
NPU Options       None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  External battery          J2         Turbo switch          J5 pins 16 -
                                                                 17

  Green PC connector        J3         Reset switch          J5 pins 19 -
  (monitor)                                                      20

  Power LED & keylock   J5 pins 1 -    Green PC connector        JP2
                             5

  Speaker               J5 pins 7 -    Green PC connector        JP4
                            10

  Turbo LED             J5 pins 11 -   32-bit VESA local      SL1 - SL3
                            12         bus slots

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1              Open

      CMOS memory clear                       JP1             Closed

     Factory configured - do not             JP3              N/A
      alter

  Note: The location of JP3 is unidentified.

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     2MB        (1) 256K x     (1) 256K x        NONE           NONE
                    36             36

     4MB        (1) 256K x     (1) 256K x     (1) 256K x    (1) 256K x 36
                    36             36             36

     4MB        (1) 512K x     (1) 512K x        NONE           NONE
                    36             36

     4MB       (1) 1M x 36        NONE           NONE           NONE

     6MB        (1) 256K x     (1) 256K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB        (1) 512K x     (1) 512K x     (1) 512K x    (1) 512K x 36
                    36             36             36

     8MB       (1) 1M x 36    (1) 1M x 36        NONE           NONE

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

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

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

     12MB      (1) 1M x 36    (1) 2M x 36        NONE           NONE

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

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

     16MB      (1) 4M x 36        NONE           NONE           NONE

     18MB       (1) 256K x     (1) 256K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     20MB       (1) 512K x     (1) 512K x    (1) 2M x 36     (1) 2M x 36
                    36             36

     20MB      (1) 1M x 36    (1) 4M x 36        NONE           NONE

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

     24MB      (1) 2M x 36    (1) 4M x 36        NONE           NONE

     32MB      (1) 2M x 36    (1) 2M x 36    (1) 2M x 36     (1) 2M x 36

     32MB      (1) 4M x 36    (1) 4M x 36        NONE           NONE

     32MB      (1) 8M x 36        NONE           NONE           NONE

     34MB       (1) 256K x     (1) 256K x    (1) 4M x 36     (1) 4M x 36
                    36             36

     36MB       (1) 512K x     (1) 512K x    (1) 4M x 36     (1) 4M x 36
                    36             36

     36MB      (1) 1M x 36    (1) 8M x 36        NONE           NONE

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

     40MB      (1) 2M x 36    (1) 8M x 36        NONE           NONE

     48MB      (1) 2M x 36    (1) 2M x 36    (1) 4M x 36     (1) 4M x 36

     48MB      (1) 4M x 36    (1) 8M x 36        NONE           NONE

     64MB      (1) 4M x 36    (1) 4M x 36    (1) 4M x 36     (1) 4M x 36

     64MB      (1) 8M x 36    (1) 8M x 36        NONE           NONE

     64MB      (1) 16M x 36       NONE           NONE           NONE

     66MB       (1) 256K x     (1) 256K x    (1) 8M x 36     (1) 8M x 36
                    36             36

     68MB       (1) 512K x     (1) 512K x    (1) 8M x 36     (1) 8M x 36
                    36             36

     68MB      (1) 1M x 36    (1) 16M x 36       NONE           NONE

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

     72MB      (1) 2M x 36    (1) 16M x 36       NONE           NONE

                        DRAM CONFIGURATION (CONT)

     Size          Bank 0         Bank 1         Bank 2         Bank 3

     80MB        (1) 2M x 36   (1) 2M x 36    (1) 8M x 36    (1) 8M x 36

     80MB        (1) 4M x 36   (1) 16M x 36       NONE           NONE

     96MB        (1) 4M x 36   (1) 4M x 36    (1) 8M x 36    (1) 8M x 36

     96MB        (1) 8M x 36   (1) 16M x 36       NONE           NONE

     128MB       (1) 8M x 36   (1) 8M x 36    (1) 8M x 36    (1) 8M x 36

     128MB       (1) 16M x 36  (1) 16M x 36       NONE           NONE

                      CACHE CONFIGURATION

      Size          Bank 0          Bank 1           TAG

      64KB        (8) 8K x 8         NONE         (1) 8K x 8

     128KB        (8) 8K x 8      (8) 8K x 8      (1) 8K x 8

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

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

     512KB        (8) 64K x 8        NONE        (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) 128K x 8

                 CACHE JUMPER CONFIGURATION

   Size      JP10      JP11       JP12      JP13      JP14

   64KB      Open      Open      1 & 2      Open      Open

  128KB      Open      Open      2 & 3     1 & 2      Open

  256KB      Open      Open      1 & 2     1 & 2     1 & 2

  512KB      Open      Open      2 & 3     2 & 3     1 & 2

  512KB      Open      1 & 2     1 & 2      Open     1 & 2

   1MB       Open      2 & 3     2 & 3     2 & 3     1 & 2

   1MB       1 & 2     2 & 3     1 & 2     2 & 3     1 & 2

   2MB       2 & 3     2 & 3     2 & 3     2 & 3     1 & 2

  Note: Pins designated should be in the closed position.

                          CPU SPEED CONFIGURATION

      Speed              JP5               JP6                 JP7

      50MHz           pins 2 & 3        pins 1 & 2      pins 1 & 2 closed
                       closed             closed

      60MHz           pins 1 & 2        pins 2 & 3      pins 1 & 2 closed
                       closed             closed

      66MHz           pins 2 & 3        pins 1 & 2      pins 2 & 3 closed
                       closed             closed

      VESA WAIT STATE CONFIGURATION

     Wait states             JP15

    0 wait states     pins 1 & 2 closed

    1 wait state      pins 2 & 3 closed

         BUS SPEED CONFIGURATION

      CPU speed              JP16

      <= 33MHz        pins 1 & 2 closed

       > 33MHz        pins 2 & 3 closed

                       VESA SYNC/ASNYC CONFIGURATION

            Type                      JP8                    JP9

  Synchronous (from chipset)         Closed           pins 1 & 2 closed

   Asynchronous( from OSC)            Open            pins 2 & 3 closed

