
EVEREX SYSTEMS, INC.

AGI 386-20 EV-1830B

Processor            80386DX
Processor Speed      20MHz
Chip Set             C & T
Max. Onboard DRAM    1MB
Cache                None
BIOS                 AMI
Dimensions           355mm x 304mm
I/O Options          32-bit external memory cards (2), parallel port,
                     serial ports (2)
NPU Options          80387DX

[Image]

                                CONNECTIONS

  Purpose                 Location     Purpose                  Location

  External battery           CN1       Parallel port               J8

  Turbo LED                  J3        Serial port 1               J9

  Power LED & keylock        J4        Serial port 2              J10

  Speaker                    J5        32-bit external             S1
                                       memory card

  Reset switch               J6        32-bit external             S2
                                       memory card

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

     Monitor select color                     C/M            Closed

      Monitor select monochrome                C/M             Open

     8-bit cycle bus select 5 wait            W1            pins 1 & 2
      state                                                   closed

      8-bit cycle bus select 4 wait            W1            pins 2 & 3
      state                                                   closed

     16-bit cycle bus select 2 wait           W2            pins 2 & 3
      state                                                   closed

      16-bit cycle bus select 1 wait           W2            pins 1 & 2
      state                                                   closed

[Image]

Memory card

                         DRAM CONFIGURATION 1 CARD

    System       Total       Bank 0     Bank 1      Bank 2       Bank 3
   memory       memory

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

     1MB          2MB         (18)        (18)       (36)         NONE
                             41256       41256      41256

     1MB          3MB         (18)        (18)       (36)      (36) 41256
                             41256       41256      41256

     1MB          5MB         (18)        (18)       (36)         NONE
                             41256       41256      411000

     1MB          9MB         (18)        (18)       (36)         (36)
                             41256       41256      411000       411000

  Note:Banks 2 & 3 are located on the external memory card.

                        DRAM CONFIGURATION 2 CARDS

    External      Card 1/Bank   Card 1/Bank    Card 2/Bank    Card 2/Bank
     memory           2              3             2              3

      3MB         (36) 41256    (36) 41256     (36) 41256        NONE

      4MB         (36) 41256    (36) 41256     (36) 41256     (36) 41256

      6MB         (36) 41256    (36) 41256     (36) 411000       NONE

      10MB        (36) 41256    (36) 41256     (36) 411000   (36) 411000

      12MB        (36) 411000   (36) 411000    (36) 411000       NONE

      16MB        (36) 411000   (36) 411000    (36) 411000   (36) 411000

  Note:Total memory includes system memory and external memory.

                         DRAM JUMPER CONFIGURATION

    System        External      SW1/1      SW1/2      SW1/3       SW1/4
    memory        memory

     1MB            0MB           On         On         On         On

     1MB            4MB          Off         On         On         On

     1MB            8MB          Off        Off         On         On

     1MB           14MB          Off        Off        Off         On

                     DRAM JUMPER CONFIGURATION 1 CARD

     System        External       W1/1       W1/2      W1/3       W1/4
    memory          memory

      1MB            1MB           On         On        On         On

      1MB            2MB           On         On        On         Off

      1MB            4MB           Off        On        On         On

      1MB            8MB           Off        On        On         Off

  Note:Switch W1 is located on the external memory card.

                     DRAM JUMPER CONFIGURATION 2 CARDS

    System       External      W1/1     W1/2     W1/3     W1/4      W2
    memory        memory

     1MB           3MB         Off       On      Off      Off      pins 2
                                                                    & 3

     1MB           4MB         Off       On      Off       On      pins 2
                                                                    & 3

     1MB           6MB          On       On      Off      Off      pins 2
                                                                    & 3

     1MB           10MB         On       On      Off       On      pins 1
                                                                    & 2

     1MB           12MB         On       On      Off      Off      pins 1
                                                                    & 2

     1MB           16MB        Off      Off       On       On      pins 1
                                                                    & 2

  Note:Switch W1 and jumper W2 are located on the external memory card.

                         SERIAL PORT CONFIGURATION

     Port 1          Port 2      SW2/1      SW2/2      SW3/1      SW3/2

        COM1         COM2        Off        Off        On         On

         COM1       Disabled      Off        On         On         Off

       Disabled       COM2         On        Off        Off        On

       Disabled     Disabled       On        On         Off        Off

                        PARALLEL PORT CONFIGURATION

       LPT         Address     IRQ     SW2/3    SW2/4    SW3/3     SW3/4

         2        378-37Fh     7       Off      Off      Off       On

          3        278-27Fh     5       Off       On       On       Off

      Disabled       N/A       N/A      On        On      Off       Off

