EVEREX SYSTEMS, INC.

STEP 486 GATE ARRAY (EV-8038)

Processor              80486DX
Processor Speed        25/33MHz
Chip Set               Everex
Max. Onboard DRAM      64MB (on external memory board)
Cache                  128/256KB
BIOS                   Everex
Dimensions             355mm x 250mm
I/O Options            32-bit external memory card slot, parallel port,
                       serial ports (2)
NPU Options            4167

[Image]

                                CONNECTIONS

  Purpose                   Location    Purpose                 Location

  Serial port (COM1)          J26       Parallel port              LPT

  Serial port (COM2)          J27       External memory card       S1
                                        slot

  Front panel connecter       LED

                        USER CONFIGURABLE SETTINGS

                Function                     Jumper          Position

  »   Parallel port interrupt select          J18           pins 5 & 6
      IRQ7                                                    closed

      Parallel port interrupt select          J18           pins 3 & 4
      IRQ5                                                    closed

      Parallel port interrupt select          J18           pins 1 & 2
      IRQ9                                                    closed

  »   Serial port COM1 interrupt              J19           pins 5 & 6
      select IRQ4                                             closed

      Serial port COM1 interrupt              J19           pins 3 & 4
      select IRQ3                                             closed

      Serial port COM1 interrupt              J19           pins 7 & 8
      select IRQ5                                             closed

      Serial port COM1 interrupt              J19           pins 1 & 2
      select IRQ9                                             closed

  »   Serial port COM2 interrupt              J19          pins 11 & 12
      select IRQ3                                             closed

      Serial port COM2 interrupt              J19          pins 13 & 14
      select IRQ4                                             closed

      Serial port COM2 interrupt              J19          pins 15 & 16
      select IRQ5                                             closed

      Serial port COM2 interrupt              J19           pins 9 & 10
      select IRQ9                                             closed

            CACHE CONFIGURATION

     Size          Bank 0        Bank 1

     128KB       (5) 32K x 8      NONE

     256KB       (5) 32K x 8   (5) 32K x 8

  CACHE JUMPER CONFIGURATION

     Size            J17

     128KB           Open

     256KB          Closed

[Image]

                            DRAM CONFIGURATION

     Size         Bank 0         Bank 1         Bank 2         Bank 3

     4MB        (4) 256K x 9   (4) 256K x 9   (4) 256K x 9  (4) 256K x 9

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

     8MB        (4) 1M x 9     (4) 1M x 9        NONE           NONE

     10MB       (4) 1M x 9     (4) 1M x 9     (4) 256K x 9  (4) 256K x 9

     16MB       (4) 1M x 9     (4) 1M x 9     (4) 1M x 9     (4) 1M x 9

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

     32MB       (4) 4M x 9     (4) 4M x 9        NONE           NONE

     34MB       (4) 4M x 9     (4) 4M x 9     (4) 256K x 9  (4) 256K x 9

     40MB       (4) 4M x 9     (4) 4M x 9     (4) 1M x 9     (4) 1M x 9

     64MB       (4) 4M x 9     (4) 4M x 9     (4) 4M x 9     (4) 4M x 9