
JOY SYSTEMS, INC.

JOY 286-12

Processor         80286
Processor Speed   12MHz
Chip Set          None
Max. Onboard DRAM 1MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

  Purpose              Location       Purpose                 Location

  Power LED            J1 pin 1       Keylock                 J1 pin 7
  (+5V)

  Slow LED (+5V)       J1 pin 2       VCC                     J1 pin 11

  Fast LED (-5V)       J1 pin 3       Speaker                    J2

  Reset switch         J1 pin 6       External battery           J4

  GND              J1 pins 5, 8, 9,
                       15, & 16

                        USER CONFIGURABLE SETTINGS

              Function                  Jumper/Switch         Position

     Monitor type select                   SW1/1               Open
      monochrome

      Monitor type select color             SW1/1              Closed

     Factory configured - do not            W1                 N/A
      alter

     8-bit bus slot access 6 wait           W2              pins 5 & 6
      states                                                   closed

      8-bit bus slot access 5 wait           W2              pins 3 & 4
      states                                                   closed

      8-bit bus slot access 4 wait           W2              pins 1 & 2
      states                                                   closed

     16-bit bus slot access 2               W3              pins 5 & 6
      wait states                                              closed

      16-bit bus slot access 1               W3              pins 7 & 8
      wait states                                              closed

      16-bit bus slot access 3               W3              pins 3 & 4
      wait states                                              closed

      16-bit bus slot access 4               W3              pins 1 & 2
      wait states                                              closed

     Factory configured - do not            W4                 N/A
      alter

     Factory configured - do not            W5                 N/A
      alter

     Factory configured - do not            W6              pins 1 & 2
      alter                                                     open

     Factory configured - do not            W6              pins 5 & 6
      alter                                                     open

     Factory configured - do not            W6              pins 7 & 8
      alter                                                    closed

     Factory configured - do not            W7              pins 2 & 3
      alter                                                    closed

     Factory configured - do not            W8              pins 2 & 3
      alter                                                    closed

              DRAM CONFIGURATION

      Size          Bank 0          Bank 1

     512KB        (2) 256K x 9       NONE

      1MB         (2) 256K x 9   (2) 256K x 9

        DRAM JUMPER CONFIGURATION

        Size                  W6

        512KB         pins 3 & 4 closed

         1MB           pins 3 & 4 open

