
EVEREX SYSTEMS, INC.

STEP 486e 12 SLOT (EV-18113) REV. E

Processor         80486DX
Processor Speed   25/33MHz
Chip Set          C & T
Max. Onboard DRAM None
Cache             256KB
BIOS              AMI
Dimensions        330mm x 218mm
I/O Options       External memory card
NPU Options       4167

                                                                   [Image]

                        USER CONFIGURABLE SETTINGS

             Function                  Jumper/Switch         Position

     EISA setup enabled                    J13               Closed

      EISA setup bypassed                   J13                Open

     Password check enabled                J19               Closed

      Password check disabled               J19                Open

     CPU speed select 25MHz                J18               Closed

      CPU speed select 33MHz                J18                Open

     BIOS type select 27256                JP1               Closed

      BIOS type select 27512                JP1                Open

                         SERIAL PORT CONFIGURATION

     Port 1       Port 2     J29/pins    J29/pins    J29/pins    J29/pins
                              1 & 2       3 & 4       5 & 6       7 & 8

       COM1       COM2       Closed      Open       Closed       Open

        COM1      Disabled    Closed      Open        Open        Open

      Disabled     COM2        Open       Open       Closed       Open

        COM3       COM4        Open      Closed       Open       Closed

        COM3      Disabled     Open      Closed       Open        Open

      Disabled     COM4        Open       Open        Open       Closed

                         SERIAL PORT 1 INTERRUPTS

    Port 1       J21/pins 1 &   J21/pins 3 &  J21/pins 5 &   J21/pins 7 &
                      2              4             6              8

       IRQ3        Open           Open          Closed          Open

        IRQ4        Open          Closed          Open           Open

        IRQ5       Closed          Open           Open           Open

        IRQ9        Open           Open           Open          Closed

                         SERIAL PORT 2 INTERRUPTS

    Port 2       J21/pins 9 &   J21/pins 11    J21/pins 13    J21/pins 15
                     10            & 12           & 14           & 16

        IRQ3        Open           Open          Closed          Open

       IRQ4        Open          Closed          Open           Open

        IRQ5       Closed          Open           Open           Open

        IRQ9        Open           Open           Open          Closed

                        PARALLEL PORT CONFIGURATION

            LPT                 J29/pins 9 & 10        J29/pins 11 & 12

               1                   Closed                   Open

                2                    Open                   Closed

            Disabled                 Open                    Open

                         PARALLEL PORT INTERRUPTS

       IRQ         J22/pins 1 & 2     J22/pins 3 & 4     J22/pins 5 & 6

          5             Open              Closed              Open

         7            Closed              Open               Open

          9             Open               Open              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

