IBM CORPORATION

PC/AT MODEL 5170-239

Processor         80286
Processor Speed   6MHz
Chip Set          None
Max. Onboard DRAM 512KB
Cache             None
BIOS              IBM
Dimensions        355mm x 304mm
I/O Options       None
NPU Options       80287

[Image]

                                CONNECTIONS

         Purpose            Location          Purpose            Location

  Speaker                     J19      External battery            J21

  Power LED & keylock         J20

                        USER CONFIGURABLE SETTINGS

             Function                 Jumper/Switch          Position

  »   14MHz adjust                         C26                  N/A

  »   Monitor type select color            SW1                  On

  »   Monitor type select                  SW1                  Off
      monochrome

  Note:Variable resistor C26 should not be altered except by competently
  trained technicians.

                            DRAM CONFIGURATION

    Size        Bank 0           P-0           Bank 1            P-0

   256KB          (16)       (2) ZA1250NL       NONE            NONE
               ZA1250NL

   512KB          (16)       (2) ZA1250NL        (16)       (2) ZA1250NL
               ZA1250NL                       ZA1250NL

        DRAM JUMPER CONFIGURATION

        Size                 J18

        256KB         pins 1 & 2 closed

        512KB         pins 2 & 3 closed

                   BIOS CONFIGURATION

            Size                       U131

            2716             pins 1 & 8, 2 & 7 closed

            2732             pins 3 & 6, 4 & 5 closed