
NCR CORPORATION

MODEL 3278-XXXX PC710/3392

Processor                80286 (exact location unidentified)
Processor Speed          6/10MHz
Chip Set                 Unidentified
Video Chip Set           None
Maximum Onboard Memory   640KB (on mainboard), (16MB on external memory
                         card)
Maximum Video Memory     None
Cache                    None
BIOS                     Unidentified
Dimensions               Unidentified
I/O Options              Expansion slot
NPU Options              80287 (exact location unidentified)

[Image]

                                CONNECTIONS

  Purpose                Location     Purpose                  Location

  External battery          J2        Auxiliary keyboard          J5
                                      connector

  Keylock                   J3        Expansion slot              JM1

  Volume control            J4

                        USER CONFIGURABLE SETTINGS

                 Function                     Label          Position

     BIOS type select 32KB                    J1         Pins 3 & 6, 4 &
                                                             5 closed

      BIOS type select 16KB                    J1         Pins 1 & 8, 2 &
                                                             7 closed

     Wait state select 1 wait state           JP1          Pins 1 & 2
                                                              closed

      Wait state select 0 wait states          JP1          Pins 2 & 3
                                                              closed

     10MHz CPU speed enabled                  JP2          Pins 1 & 2
                                                              closed

      10MHz CPU speed disabled                 JP2          Pins 2 & 3
                                                              closed

     Memory expansion card installed          JP5          Pins 1 & 2
                                                              closed

      Memory expansion card not                JP5          Pins 2 & 3
      installed                                               closed

      Monitor type select graphics             S1              Left
      display

      Monitor type select alphanumeric         S1             Right
      display

     Power on speed select 10MHz              S2           Pins 1 & 2
                                                              closed

      Power on speed select 6MHz               S2           Pins 2 & 3
                                                              closed

                            DRAM CONFIGURATION

  Note: The location of the memory is unidentified. Board accepts 256KB
  or 512KB memory.

        DRAM JUMPER CONFIGURATION

        Size                 JP3

        256KB         Pins 2 & 3 closed

        512KB         Pins 1 & 2 closed

                  DRAM JUMPER CONFIGURATION

            Setting                         JP4

  All onboard memory enabled         Pins 1 & 2 closed

  All onboard memory disabled        Pins 2 & 3 closed

