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STEP 486 GATE ARRAY (EV-8038)

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

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port (COM1)

J26

Parallel port

LPT

Serial port (COM2)

J27

External memory card slot

S1

Front panel connecter

LED

   

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

Parallel port interrupt select IRQ7

J18

pins 5 & 6 closed

 

Parallel port interrupt select IRQ5

J18

pins 3 & 4 closed

 

Parallel port interrupt select IRQ9

J18

pins 1 & 2 closed

Serial port COM1 interrupt select IRQ4

J19

pins 5 & 6 closed

 

Serial port COM1 interrupt select IRQ3

J19

pins 3 & 4 closed

 

Serial port COM1 interrupt select IRQ5

J19

pins 7 & 8 closed

 

Serial port COM1 interrupt select IRQ9

J19

pins 1 & 2 closed

Serial port COM2 interrupt select IRQ3

J19

pins 11 & 12 closed

 

Serial port COM2 interrupt select IRQ4

J19

pins 13 & 14 closed

 

Serial port COM2 interrupt select IRQ5

J19

pins 15 & 16 closed

 

Serial port COM2 interrupt select IRQ9

J19

pins 9 & 10 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

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