
KINGSTON TECHNOLOGY CORPORATION

486/33PD3, 25PS3, 33PD3-P70, 33PS3-P70 PROCESSOR UPGRADE BOARD

Processor         80486SX/80486DX
Processor Speed   25/33MHz
Chip Set          NONE (uses PS/2 main board chipset)
Max. Onboard DRAM NONE
Cache             NONE
BIOS              NONE (uses PS/2 main board bios)
Dimensions        63.5mm x 50.8mm
I/O Options       NONE
NPU Options       NONE

[Image]

                            CONNECTIONS

  Purpose                                           Location

  Processor upgrade to system board connector          P1

                         SYSTEM TYPE CONFIGURATION

       Type          Speed      SW1/1      SW1/2      SW1/3       SW1/4

   IBM PS/2 M70      16MHz       off        on          on         on
    (full size
      board)

   IBM PS/2 M70      16MHz       on         on         off         on
    (half size
      board)

   IBM PS/2 M70      20MHz       off        on          on         on
    (half size
      board)

   IBM PS/2 M70      25MHz       on         on          on         on
    (full size
      board)

   IBM PS/2 M80      16MHz       off        off         on         on

   IBM PS/2 M80      20MHz       off        off         on         on

   IBM PS/2 M80      25MHz       on         off         on         on

   IBM PS/2 P70      20MHz       off        on          on         on

  Note:If an IBM XGA adapter is installed and a display problem occurs,
  change switch 4 to the off position.

