JOINDATA SYSTEMS, INC.

G486PLB

Processor         80486SX/80487SX/80486DX
Processor Speed   20/25/33/50MHz
Chip Set          OPTI
Max. Onboard DRAM 32MB
Cache             64/256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       32-bit local bus VGA card slot
NPU Options       4167

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  Reset switch               J9        Power LED & keylock        J13

  Turbo LED                  J10       External battery           J14

  Turbo switch               J11       32-bit VESA local bus       S1
                                       slot

  Speaker                    J12

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Monitor type select color                JP1            Closed

      Monitor type select monochrome           JP1             Open

  »   Power good signal detect from            JP2           pins 1 & 2
      power supply                                            closed

      Power good signal detect from            JP2           pins 2 & 3
      board                                                   closed

  »   CMOS memory normal operation             JP3           pins 2 & 3
                                                              closed

      CMOS memory clear                        JP3           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter       JP10           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter       JP11           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter       JP12           pins 1 & 2
                                                              closed

  »   Factory configured - do not alter       JP25             Open

  »   Factory configured - do not alter       JP50             Open

  »   VESA local bus enabled                  JP100            Open

      VESA local bus disabled                 JP100           Closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

      1MB         (4) 256K x 8       NONE

      2MB         (4) 256K x 8   (4) 256K x 8

      4MB         (4) 1M x 8         NONE

      5MB         (4) 256K x 8    (4) 1M x 8

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

      16MB        (4) 4M x 8         NONE

      20MB        (4) 1M x 8      (4) 4M x 8

      32MB        (4) 4M x 8      (4) 4M x 8

            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      JP5      JP6       JP7       JP8      JP9

   64KB     Open      Open     Open      Open     Open

  256KB     Closed   Closed    Open      Closed   Open

                          CPU TYPE CONFIGURATION

       Type              JP14              JP15               JP16

      80486SX            Open            pins 2 & 3           Open
                                          closed

      80487SX           Closed           pins 1 & 2         pins 1 & 2
                                          closed             closed

      80486DX           Closed           pins 1 & 2         pins 2 & 3
                                          closed             closed