
UNIDENTIFIED

NESX

Processor              80386SX
Processor Speed        12/16MHz
Chip Set               Neat
Video Chip Set         None
Maximum Onboard Memory 8MB
Maximum Video Memory   None
Cache                  None
BIOS                   AMI
Dimensions             330mm x 218mm
I/O Options            None
NPU Options            80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location     Purpose                Location

  Auxiliary keyboard          J1        Reset switch              J9
  connector

  External battery            J5        Speaker                   J12

  Turbo switch                J7        Power LED & keylock       J13

  Turbo LED                   J8

                        USER CONFIGURABLE SETTINGS

                Function                     Label           Position

      Monitor type select color                J2           Pins 1 & 2
                                                              closed

      Monitor type select monochrome           J2           Pins 2 & 3
                                                              closed

     CMOS memory normal operation             J6              Open

      CMOS memory clear                        J6             Closed

      BIOS type select 27128                  J14           Pins 1 & 2
                                                              closed

      BIOS type select 27256                  J14           Pins 2 & 3
                                                              closed

                           DRAM CONFIGURATION 1

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

  512KB       (18)        None      None     None      None        None
             41256

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

  1.5MB       (18)        (18)      None     None       (4)        None
             41256       41256                         44256

   2MB        (18)        (18)      None     None       (4)         (4)
             41256       41256                         44256      44256

   2MB        (18)        None      None     None      None        None
             411000

   3MB        (18)        (18)      None     (2) 1M    None        None
             41256       41256                x 9

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

   5MB        (18)        (18)      (2) 1M   (2) 1M    None        None
             41256       41256       x 9      x 9

   6MB        (18)        (18)      None     (2) 1M    None        None
             411000      411000               x 9

   8MB        (18)        (18)      (2) 1M   (2) 1M    None        None
             411000      411000      x 9      x 9

            Note: In addition to the above configurations, banks 2 & 3
            also will accept 41256 chips and banks 0A & 1A will accept
            256K x 9. If banks 2 & 3 are used, P2 & P3 must be installed
            with 41256 chips (see DRAM PARITY CONFIGURATION table).

     DRAM PARITY CONFIGURATION 1

    Size         P 2          P 3

    512KB        None        None

     1MB         None        None

    1.5MB      (4) 41256     None

     2MB       (4) 41256   (4) 41256

     2MB         None        None

     3MB         None        None

     4MB         None        None

     5MB         None        None

     6MB         None        None

     8MB         None        None

                           DRAM CONFIGURATION 2

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

  512KB       None        None      None     None      None         (4)
                                                                  44256

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

  1.5MB       None        (18)      None     None       (4)         (4)
                         41256                         44256      44256

   2MB        (18)        (18)      None     None       (4)         (4)
             41256       41256                         44256      44256

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

   3MB        None        (18)      None     None       (4)         (4)
                         411000                        44256      44256

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

   5MB        (18)        (18)      None     None       (4)         (4)
             411000      411000                        44256      44256

   6MB        None        (18)      (2) 1M   (2) 1M    None        None
                         411000      x 9      x 9

   8MB        (18)        (18)      (2) 1M   (2) 1M    None        None
             411000      411000      x 9      x 9

     DRAM PARITY CONFIGURATION 2

    Size         P 2          P 3

    512KB        None      (4) 41256

     1MB       (4) 41256   (4) 41256

    1.5MB      (4) 41256   (4) 41256

     2MB       (4) 41256   (4) 41256

     2MB         None        None

     3MB       (4) 41256   (4) 41256

     4MB         None        None

     5MB       (4) 41256   (4) 41256

     6MB         None        None

     8MB         None        None

    DRAM JUMPER CONFIGURATION

  Configuration        J11

        1             Closed

        2              Open

