DATAEXPERT CORPORATION

EXP8051

Device Type            Mainboard
Processor              Pentium
Processor Speed        50/60/66MHz
Chip Set               Unidentified
Video Chip Set         None
Maximum Onboard Memory 128MB
Maximum Video Memory   None
Cache                  256/512/1024KB
BIOS                   Award, Phoenix
Dimensions             254mm x 218mm
I/O Options            32-bit PCI slots (4), green PC connector

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  External battery            JP5       Reset switch              JP16

  Peripheral power            JP12      Speaker                   JP17
  connector

  Green PC connector          JP13      Power LED & keylock       JP18

  Front panel connector       JP14      32-bit PCI slots       PC1 – PC4

  Front panel connector       JP15

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

  »   Factory configured - do not alter       JP1              Open

  »   Battery type select external            JP2              Open

      Battery type select internal            JP2             Closed

  »   Power supply from board                 JP3           Pins 1 & 2
                                                              closed

      Power supply from LM 393                JP3           Pins 2 & 3
                                                              closed

  »   BIOS type select EPROM                  JP4           Pins 2 & 3
                                                              closed

      BIOS type select flash                  JP4           Pins 1 & 2
                                                              closed

  »   Normal operation                        JP6              Open

      Delay ADS#                              JP6             Closed

                SIMM 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) 512K x 36     (2) 1M 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) 512K x 36     (2) 2M x 36

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

      32MB         (2) 4M x 36          None

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

            SIMM CONFIGURATION (CON’T)

      Size            Bank 0           Bank 1

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

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

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

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

      64MB         (2) 8M x 36          None

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

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

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

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

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

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

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

              CACHE CONFIGURATION

      Size          Bank 0           TAG

     256KB        (8) 32K x 8     (1) 8K x 8

     512KB        (8) 64K x 8    (1) 32K x 8

      1MB         (8) 128K x 8   (1) 32K x 8

                        CACHE JUMPER CONFIGURATION

    Size           JP7            JP8            JP9            JP10

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

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

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

                  CPU SPEED SELECTION

           Speed                       JP11

           50MHz                       Open

           60MHz                 Pins 3 & 4 closed

           66MHz             Pins 1 & 2, 3 & 4 closed