UNIDENTIFIED

NEAT-386SX

Processor         80386SX
Processor Speed   16/20MHz
Chip Set          C & T Neat
Max. Onboard DRAM 8MB
Cache             None
BIOS              AMI/Phoenix
Dimensions        330.2mm x 218.4mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Turbo switch                J1       Keylock                     J5

  Power LED                   J2       Speaker                     J6

  Reset switch                J3       External battery            J17

  Turbo LED                   J4

                        USER CONFIGURABLE SETTINGS

                Function                    Jumper           Position

  »   Monitor type select color               J7            pins 2 & 3
                                                              closed

      Monitor type select monochrome          J7            pins 1 & 2
                                                              closed

  »   Battery select internal                 J17           pins 1 & 2
                                                              closed

      Battery select external                 J17           connected

                            DRAM CONFIGURATION

    Size       Bank 0(DIP)    Bank 1 (DIP)      Bank 2      Bank 3 (SIPP)
                                               (SIPP)

    512KB      (18) 41256        NONE           NONE            NONE

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

    640KB      (18) 41256      (18) 4164        NONE            NONE

     1MB       (18) 41256     (18) 41256        NONE            NONE

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

    1.5MB      (18) 41256     (18) 41256     (2) 256K x 9       NONE

     2MB       (18) 411000       NONE           NONE            NONE

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

     2MB       (18) 41256     (18) 41256     (2) 256K x 9   (2) 256K x 9

     4MB       (18) 411000    (18) 411000       NONE            NONE

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

    4.5MB      (18) 411000    (18) 411000    (2) 256K x 9       NONE

     5MB       (18) 411000    (18) 411000    (2) 256K x 9   (2) 256K x 9

     5MB       (18) 41256     (18) 41256     (2) 1M x 9      (2) 1M x 9

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

     8MB       (18) 411000    (18) 411000    (2) 1M x 9      (2) 1M x 9

                      DRAM JUMPER CONFIGURATION

                BS1            BS1            BS2            BS2

             pins 1 & 2     pins 2 & 3     pins 1 & 2     pins 2 & 3

   Size      pins 4 & 5     pins 5 & 6     pins 4 & 5     pins 5 & 6

             pins 7 & 8     pins 8 & 9     pins 7 & 8     pins 8 & 9

   512KB       closed          open          closed          open

  512KB 1       open          closed          open          closed

   640KB       closed          open          closed          open

    1MB        closed          open          closed          open

   1MB 1        open          closed          open          closed

   1.5MB       closed          open          closed          open

    2MB        closed          open          closed          open

   2MB 1        open          closed          open          closed

    4MB        closed          open          closed          open

   4MB 1        open          closed          open          closed

   4.5MB       closed          open          closed          open

    5MB        closed          open          closed          open

    6MB        closed          open          closed          open

    8MB        closed          open          closed          open

  Note 1 :Use this setting when banks 0 and 1 are empty.