UNIDENTIFIED

286-SYSTEM BOARD

Processor              AM286/80286
Processor Speed        6/8/10/12/16MHz
Chip Set               VLSI
Video Chip Set         None
Maximum Onboard Memory 4MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI/Award/Phoenix
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                  Location

  Speaker                      J1       Turbo LED                  J4

  Power LED & keylock          J2       Turbo switch               J5

  Reset switch                 J3

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      BIOS type select 27128                  JP1           Pins 2 & 3
                                                              closed

      BIOS type select 27256                  JP1           Pins 1 & 2
                                                              closed

      Monitor type select color               JP7             Closed

      Monitor type select monochrome          JP7              Open

      Wait state select 0 wait states         JP8             Closed

      Wait state select 1 wait state          JP8              Open

                            DRAM CONFIGURATION

     Size          Bank 0         Bank 1         Bank 2         Bank 3

    512KB        (18) 41256        None           None           None

    512KB           None           None         (2) 256K x       None
                                                    9

    640KB        (18) 41256      (18) 4164        None           None

     1MB         (18) 41256     (18) 41256        None           None

     1MB            None           None         (2) 256K x    (2) 256K x
                                                    9             9

     2MB        (18) 411000        None           None           None

     2MB            None           None        (2) 1M x 9        None

     4MB        (18) 411000     (18) 411000       None           None

     4MB            None           None        (2) 1M x 9     (2) 1M x 9

       DRAM JUMPER CONFIGURATION

   Size      JP2       JP3       JP4

  512KB      Open    Closed    Closed

  640KB     Closed    Open      Open

   1MB      Closed    Open     Closed

   2MB      Closed   Closed     Open

   4MB      Closed   Closed    Closed

  CPU SPEED SELECTION

   Speed        JP6

  6/12MHz       Open

  8/12MHz      Closed