NCR CORPORATION

PERSONAL COMPUTER PC-8

Processor         80286 (exact location unidentified)
Processor Speed   Unidentified
Chip Set          Unidentified
Max. Onboard DRAM 14MB (640KB on mainboard)
Cache             None
BIOS              Unidentified
Dimensions        538mm x 420mm
I/O Options       None
NPU Options       80287 (exact location unidentified)

[Image]

              CONNECTIONS

  Purpose                Location

  External battery          P21

                        USER CONFIGURABLE SETTINGS

                Function                     Switch          Position

      Monitor type select monochrome          SW1               On

      Monitor type select color               SW1              Off

  »   Factory configured - do not             U101             N/A
      alter

                          DRAM CONFIGURATION

  Note: The location, orientation and chips sizes are unidentified.

                  DRAM JUMPER CONFIGURATION

        Size                 P17                  P18

        256KB          Pins 1 & 2 closed   Pins 1 & 2 closed

        512KB          Pins 1 & 2 closed   Pins 2 & 3 closed

        640KB          Pins 2 & 3 closed   Pins 2 & 3 closed

                                                                   [Image]

                     DRAM CONFIGURATION

  Note: The orientation and chips sizes are unidentified.

                          DRAM SWITCH CONFIGURATION

  Size    S1/1  S1/2   S1/3   S1/4   S1/5   S2/1   S2/2   S2/3   S2/4  S2/5

  None    On     On     On    Off     On    On     On     On     Off   Off

  512KB   On     On     On    Off    Off    On     On     Off    On     On

  1MB     On     On    Off     On     On    On     On     Off    On    Off

  1.5MB   On     On    Off     On    Off    On     On     Off    Off    On

  2MB     On     On    Off    Off     On    On     On     Off    Off   Off

  2.5MB   On     On    Off    Off    Off    On     Off    On     On     On

  3MB     On    Off     On     On     On    On     Off    On     On    Off

  3.5MB   On    Off     On     On    Off    On     Off    On     Off    On

  4MB     On    Off     On    Off     On    On     Off    On     Off   Off

  4.5MB   On    Off     On    Off    Off    On     Off    Off    On     On

  5MB     On    Off    Off     On     On    On     Off    Off    On    Off

                      DRAM SWITCH CONFIGURATION (CON’T)

  Size     S1/1  S1/2   S1/3   S1/4   S1/5   S2/1   S2/2   S2/3   S2/4  S2/5

  5.5MB    On    Off    Off     On    Off    On     Off    Off    Off    On

   6MB     On    Off    Off    Off     On    On     Off    Off    Off   Off

  6.5MB    On    Off    Off    Off    Off    Off    On     On     On     On

   7MB     Off    On     On     On     On    Off    On     On     On    Off

  7.5MB    Off    On     On     On    Off    Off    On     On     Off    On

   8MB     Off    On     On    Off     On    Off    On     On     Off   Off

  8.5MB    Off    On     On    Off    Off    Off    On     Off    On     On

   9MB     Off    On    Off     On     On    Off    On     Off    On    Off

  9.5MB    Off    On    Off     On    Off    Off    On     Off    Off    On

  10MB     Off    On    Off    Off     On    Off    On     Off    Off   Off

  10.5MB   Off    On    Off    Off    Off    Off    Off    On     On     On

  11MB     Off   Off     On     On     On    Off    Off    On     On    Off

  11.5MB   Off   Off     On     On    Off    Off    Off    On     Off    On

  12MB     Off   Off     On    Off     On    Off    Off    On     Off   Off

  12.5MB   Off   Off     On    Off    Off    Off    Off    Off    On     On

  13MB     Off   Off    Off     On     On    Off    Off    Off    On    Off

  13.5MB   Off   Off    Off     On    Off    Off    Off    Off    Off    On

  14MB     Off   Off    Off    Off     On    N/A    N/A    N/A    N/A   N/A