
EISA TECH CORPORATION

386SX

Processor         80386SX
Processor Speed   16/20MHz
Chip Set          VLSI
Max. Onboard DRAM 16MB
Cache             None
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       None
NPU Options       80387SX

[Image]

                                CONNECTIONS

  Purpose                  Location    Purpose                   Location

  Reset switch               J16       External battery            J21

  Turbo switch               J19       Speaker                     J22

  Turbo LED                  J20       Power LED & keylock         J23

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Battery select internal                  JP2           pins 1 & 2
                                                              closed

      Battery select external                  JP2           pins 2 & 3
                                                              closed

     Pipeline mode enabled                    JP3            Closed

      Pipeline mode disabled                   JP3             Open

     CMOS memory normal operation             JP4           pins 1 & 2
                                                              closed

      CMOS memory clear                        JP4           pins 2 & 3
                                                              closed

     CPU ready signal select from             JP6           pins 1 & 2
      82C320                                                  closed

      CPU ready signal select from NPX         JP6           pins 2 & 3
                                                              closed

     Monitor type select monochrome           JP7             Open

      Monitor type select color                JP7            Closed

     Maximum bus amperage select 24mA         JP8            Closed

      Maximum bus amperage select 12mA         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

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

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

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

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

     2MB        (18) 411000         NONE           NONE          NONE

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

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

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

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

     8MB        (18) 414000         NONE           NONE          NONE

     8MB            NONE            NONE        (2) 4M x 9       NONE

     9MB        (18) 414000      (18) 41256     (2) 4M x 9       NONE

     12MB       (18) 411000     (18) 411000     (2) 4M x 9       NONE

     16MB       (18) 414000     (18) 414000        NONE          NONE

     16MB           NONE            NONE        (2) 4M x 9    (2) 4M x 9

                         DRAM JUMPER CONFIGURATION

             Size                                 JP5

            512KB                pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

            512KB                pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 &
                                           15, 17 & 18 closed

             1MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             1MB                 pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 &
                                           15, 17 & 18 closed

            1.5MB                pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             2MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             2MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             3MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             4MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

            4.5MB                pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             5MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             5MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             6MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             8MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             8MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             8MB                 pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 &
                                           15, 17 & 18 closed

             9MB                 pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             12MB                pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             16MB                pins 1 & 2, 4 & 5, 7 & 8, 10 & 11, 13 &
                                           14, 16 & 17 closed

             16MB                pins 2 & 3, 5 & 6, 8 & 9, 11 & 12, 14 &
                                           15, 17 & 18 closed

  Note:Each line in this table corresponds to same line in the above DRAM
  configuration table.

