
 33MHz JOINDATA SYSTEMS, INC.

G486SVL

Processor         80486SX/80486DX
Processor Speed   20/25/33MHz
Chip Set          Symphony
Max. Onboard DRAM 32MB
Cache             64/128/256KB
BIOS              AMI
Dimensions        287mm x 218mm
I/O Options       32-bit VESA local bus slots (2)
NPU Options       None

[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 & S2
                                       slots

  Speaker                    J12

                                      USER CONFIGURABLE SETTINGS

                            Function                                 Jumper             Position

     CMOS memory normal operation                                     JP3                Open

      CMOS memory clear                                                JP3               Closed

      Wait states select 0                                            JP24                Open

      Wait state select 1                                             JP24               Closed

      CPU speed select  33MHz                                        JP25                Open

      CPU speed select > 33MHz                                        JP25               Closed

     Factory configured - do not alter                               JP26               Closed

     Factory configured - do not alter                               JP27               Closed

     Factory configured - do not alter                               JP29               Closed

     Monitor type select color                                       JP30               Closed

      Monitor type select monochrome                                  JP30                Open

              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

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

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

      16MB        (4) 4M x 9         NONE

      17MB        (4) 256K x 9    (4) 4M x 9

      17MB        (4) 4M x 9     (4) 256K x 9

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

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

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

                    CACHE CONFIGURATION

     Size          Bank 0         Bank 1          TAG

     64KB        (4) 8K x 8     (4) 8K x 8    (1) 8K x 8

     128KB      (4) 32K x 8        NONE       (1) 32K x 8

     256KB      (4) 32K x 8    (4) 32K x 8    (1) 32K x 8

                          CACHE JUMPER CONFIGURATION

  Size    JP7   JP8   JP14   JP15   JP16   JP18   JP20   JP21   JP23   JP28

  64KB    Open  2 &    2 &    1 &    2 &   2 &    1 &    1 &    open   Open
                 3     3      2      3      3      2      2

  128KB   2 &   1 &    1 &    2 &    2 &   2 &    2 &    2 &    2 &   Closed
           3     2     2      3      3      3      3      3      3

  256KB   1 &   1 &    1 &    2 &    1 &   1 &    1 &    1 &    1 &    Open
           2     2     2      3      2      2      2      2      2

  Note: Pins designated should be in the closed position.

                          CPU TYPE CONFIGURATION

       Type               JP5               JP6                JP11

      80486SX             Open           pins 1 & 2            Open
                                           closed

      80486DX            Closed          pins 2 & 3           Closed
                                           closed

                   CPU SPEED CONFIGURATION

        Speed                JP4                  JP9

       iOSC/2                Open          pins 2 & 3 closed

       iOSC/1               Closed         pins 1 & 2 closed

