
JOINDATA SYSTEMS, INC.

G486EVL

Processor              80486SX/80487SX/80486DX/ODP486SX/80486DX2
Processor Speed        16/20/25/33/50(internal)/50/66(internal)MHz
Chip Set               EFAR
Max. Onboard DRAM      32MB
Cache                  64/256KB
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            32-bit VESA local bus slots (2)
NPU Options            None

[Image]

                                CONNECTIONS

  Purpose                Location      Purpose                Location

  32-bit VESA local      J1 & J2       Power LED & keylock       J13
  bus slots

  Turbo LED                J10         Reset switch              J14

  Turbo switch             J11         External battery          JP2

  Speaker                  J12

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     CMOS memory normal operation            JP1           pins 2 & 3
                                                              closed

      CMOS memory clear                       JP1           pins 1 & 2
                                                              closed

     CPU speed select 20/25/33MHz            JP33          pins 2 & 3
                                                              closed

      CPU speed select 50MHz                  JP33          pins 1 & 2
                                                              closed

     VESA bus select 0 wait states           JP34          pins 1 & 2
                                                              closed

      VESA bus select 1 wait state            JP34          pins 2 & 3
                                                              closed

              DRAM CONFIGURATION

     Size          Bank 0          Bank 1

      1MB        (4) 256K x 9       NONE

      2MB        (4) 256K x 9   (4) 256K x 9

      4MB        (4) 1M x 9         NONE

      5MB        (4) 256K x 9    (4) 1M x 9

      8MB        (4) 1M x 9      (4) 1M x 9

     16MB        (4) 4M x 9         NONE

     20MB        (4) 1M x 9      (4) 4M x 9

     32MB        (4) 4M x 9      (4) 4M x 9

            CACHE CONFIGURATION

     Size          Bank 0          TAG

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

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

       CACHE JUMPER CONFIGURATION

   Size      JP13     JP14      JP15

   64KB      Open     Open      Open

  256KB     Closed   Closed    Closed

                          CPU TYPE CONFIGURATION

     Type          OSC1        JP9        JP12       JP17         JP18

  80486SX-20      20MHz       2 & 3       Open       2 & 3        Open

  80486SX-20      40MHz       1 & 2       Open       2 & 3        Open

  80486SX-25      25MHz       2 & 3       Open       2 & 3        Open

  80486SX-25      50MHz       1 & 2       Open       2 & 3        Open

  80486DX-25      50MHz       1 & 2      2 & 3       1 & 2       Closed

  80486DX-25      25MHz       2 & 3      2 & 3       1 & 2       Closed

  80487SX-25      50MHz       1 & 2      1 & 2       1 & 2       Closed

  80487SX-25      25MHz       2 & 3      1 & 2       1 & 2       Closed

  80486DX-33      66MHz       1 & 2      2 & 3       1 & 2       Closed

  80486DX-33      33MHz       2 & 3      2 & 3       1 & 2       Closed

  80486DX2-50     25MHz       2 & 3      2 & 3       1 & 2       Closed

  80486DX2-66     33MHz       2 & 3      2 & 3       1 & 2       Closed

  Note:Pins designated should be in the closed position.

