HwMuseum | Index

EVEREX SYSTEMS, INC.

EV-657B (PWA-00169-00)

Card Type

Video card

Video Chip Set

Unidentified

Highest Resolution Supported

Unidentified

Maximum Video Memory

Unidentified

Data Bus

8-bit ISA

Video Types Supported

Monochrome, CGA, EGA

CONNECTIONS

Function

Label

Function

Label

Feature connector

CN1

RCA jack (Non functional)

J2

RCA jack (Non functional)

J1

15-pin analog video port

J3

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

W1

Pins 1 & 2 closed

»

EGA address is 3XXh

W3

Pins 1 & 2 closed

 

EGA address is 2XXh

W3

Pins 2 & 3 closed

»

Factory configured - do not alter

W4

Open

»

Factory configured - do not alter

W7

Pins 1 & 2 closed

 

Non maskable interrupt

W10

Pins 1 & 2 closed

 

Interrupt selected

W10

Pins 2 & 3 closed

»

Card installed in other slot

W13

Pins 1 & 2 closed

 

Card installed in XT-slot 8

W13

Pins 2 & 3 closed

»

Hercules emulation disabled

SW1/5

Off

 

Hercules emulation enabled

SW1/5

On

»

Factory configured - do not alter

SW1/6

Off

INTERRUPT SELECTION

IRQ

W12/A

W12/B

W12/C

W12/D

W12/E

W12/F

W12/G

 

2

Open

Open

Open

Open

Open

Closed

Open

 

3

Closed

Open

Open

Open

Open

Open

Open

 

4

Open

Closed

Open

Open

Open

Open

Open

 

5

Open

Open

Closed

Open

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

»

Disabled

Open

Open

Open

Open

Open

Open

Closed

VIDEO CONFIGURATION

Monitor

Mode

SW1/1

SW1/2

SW1/3

»

EGA

EGA 80 x 25

Off

On

On

 

Mutli-sync

EGA 80 x 25

Off

On

On

 

EGA

CGA 80 x 25

On

On

On

 

CGA (A)

CGA 80 x 25

Off

Off

Off

 

CGA (B)

CGA 40 x 25

On

Off

Off

 

Monochrome

Monochrome

Off

Off

On

VIDEO CONFIGURATION (CON’T)

Monitor

Mode

SW1/4

SW1/7

SW1/8

»

EGA

EGA 80 x 25

Off

On

On

 

Mutli-sync

EGA 80 x 25

Off

Off

On

 

EGA

CGA 80 x 25

Off

On

On

 

CGA (A)

CGA 80 x 25

On

On

Off

 

CGA (B)

CGA 40 x 25

On

On

Off

 

Monochrome

Monochrome

Off

Off

Off