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