
TAI HSIN GROUP

286/EMS

Processor              80286
Processor Speed        12/16MHz
Chip Set               G-2
Video Chip Set         None
Maximum Onboard Memory 8MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI/Award/Phoenix/Quadtel
Dimensions             324mm x 222mm
I/O Options            None
NPU Options            80287

[Image]

                                CONNECTIONS

  Purpose                   Location   Purpose                   Location

  External battery            J2       Power LED & keylock         J34

  Turbo switch                J32      Speaker                     J35

  Turbo LED                   J33      Reset switch                J36

                        USER CONFIGURABLE SETTINGS

               Function                    Label           Position

      Monitor type select color             J1              Closed

      Monitor type select monochrome        J1               Open

     Factory configured - do not           J3           Unidentified
      alter (S/W speed select)

      Battery type select Dallas            J4              Closed

      Battery type select 146818            J4               Open

      Power good signal detect from         J13        Pins 1 & 2 closed
      power supply

      Power good signal detect from         J13        Pins 2 & 3 closed
      board

      NPU clock select PROCCLK              J20        Pins 1 & 2 closed

      NPU clock select CLK-2                J20        Pins 2 & 3 closed

      BIOS type select 27128                J21        Pins 1 & 2 closed

      BIOS type select 27256                J21        Pins 2 & 3 closed

      Delay line select external            J22             Closed

      Delay line select internal            J22              Open

      Chip type select 103                  J23        Pins 1 & 2 closed

      Chip type select 113                  J23        Pins 2 & 3 closed

     Factory configured - do not           J24          Unidentified
      alter

      Wait state select 0 wait              J25             Closed
      states

      Wait state select 1 wait state        J25              Open

      I/O speed select half speed          SW1/1              On

      I/O speed select full speed          SW1/1              Off

                            DRAM CONFIGURATION

   Size      Bank 0     Bank 0A     Bank 1      Bank    Bank 2    Bank 3
                                                1A

   512KB      (16)       None        None      None      None      None
   (A)       41256

   512KB      None        (4)        None      None      None      None
   (B)                   44256

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

  1MB (A)     (16)       None        (16)      None      None      None
             41256                  41256

  1MB (B)     None        (4)      (4) 44256   None      None      None
                         44256

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

  2MB (A)     (16)       None        None      None      None      None
             411000

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

  2MB (C)     (16)       None        (16)      None       (2)       (2)
             41256                  41256               256K x     256K x
                                                          9          9

  2MB (D)     None        (4)      (4) 44256   None       (2)       (2)
                         44256                          256K x     256K x
                                                          9          9

  4MB (A)     (16)       None        (16)      None      None      None
             411000                 411000

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

  5MB (A)     (16)       None        (16)      None     (2) 1M     (2) 1M
             41256                  41256                x 9        x 9

  5MB (B)     None        (4)      (4) 44256   None     (2) 1M     (2) 1M
                         44256                           x 9        x 9

   8MB        (16)       None        (16)      None     (2) 1M     (2) 1M
             411000                 411000               x 9        x 9

        DRAM PARITY CONFIGURATION

     Size          P 0          P 1

  512KB (A)     (2) 41256       None

  512KB (B)     (2) 41256       None

  512KB (C)       None          None

   1MB (A)      (2) 41256    (2) 41256

   1MB (B)      (2) 41256    (2) 41256

   1MB (C)        None          None

   2MB (A)      (2) 411000      None

   2MB (B)        None          None

   2MB (C)      (2) 41256    (2) 41256

   2MB (D)      (2) 41256    (2) 41256

   4MB (A)      (2) 411000   (2) 411000

   4MB (B)        None          None

   5MB (A)      (2) 41256    (2) 41256

   5MB (B)      (2) 41256    (2) 41256

     8MB        (2) 411000   (2) 411000

                         DRAM JUMPER CONFIGURATION

    Size       J26        J27       J28       J29       J30        J31

  512KB (A)   2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  512KB (B)   2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  512KB (C)   1 & 2      1 & 2     1 & 2     1 & 2     1 & 2      1 & 2

  1MB (A)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  1MB (B)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  1MB (C)     1 & 2      1 & 2     1 & 2     1 & 2     1 & 2      1 & 2

  2MB (A)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  2MB (B)     1 & 2      1 & 2     1 & 2     1 & 2     1 & 2      1 & 2

  2MB (C)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  2MB (D)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  4MB (A)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  4MB (B)     1 & 2      1 & 2     1 & 2     1 & 2     1 & 2      1 & 2

  5MB (A)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  5MB (B)     2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

    8MB       2 & 3      2 & 3     2 & 3     2 & 3     2 & 3      2 & 3

  Note: Pins designated should be in the closed position.

                        DRAM SWITCH CONFIGURATION

    Size        SW1/2        SW1/3       SW1/4        SW1/5       SW1/6

  512KB (A)      Off          Off         Off          Off         Off

  512KB (B)      Off          Off         Off          Off         Off

  512KB (C)      Off          Off         Off          Off         Off

   1MB (A)        On          Off         Off          Off         Off

   1MB (B)        On          Off         Off          Off         Off

   1MB (C)        On          Off         Off          Off         Off

   2MB (A)       Off          Off          On          Off         Off

   2MB (B)       Off          Off          On          Off         Off

   2MB (C)        On          On          Off          Off          On

   2MB (D)        On          On          Off          Off          On

   4MB (A)        On          Off          On          Off         Off

   4MB (B)        On          Off          On          Off         Off

   5MB (A)        On          On          Off           On          On

   5MB (B)        On          On          Off           On          On

     8MB          On          On          Off          Off          On

