VTECH COMPUTERS, INC.

AUTOEGA4+

Category

Video

Video Types Supported

EGA/Monochrome

Video Processor

Unidentified

Highest Resolution Supported

800 x 600

Data Bus Type

8-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

256KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Light Pen connector

CN4

RCA connector

CN2

VGA feature connector

CN5

RCA connector

CN3

 

 

VIDEO TIMING CONFIGURATION

Timing

JP1

»

External oscillator from feature connector

Pins 1 & 2 closed

 

18.432mhz for Hercules emulation

Pins 2 & 3 closed

FEATURE CONNECTOR CONFIGURATION

Setting

JP2

JP5

»

Disabled

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Enabled

Pins 2 & 3 closed

Pins 2 & 3 closed

CHARACTER MODE SELECTION

Mode

JP6

»

Double dot

Closed

 

Single dot (for CGA configuration only)

Open

EGA I/O PORT SELECTION

Port

JP3

»

3xx

Closed

 

2xx

Open

MONITOR TYPE CONFIGURATION

Type

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW2

RGB or composite

Off

Off

On

Off

Off

Off

Left

TTL monochrome

Off

Off

Off

 

Off

Off

Left

Enhanced color display

Off

Off

Off

On

On

Off

Right

Note: Toggle switch is set left or right looking from the back of the card.

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/7

N/A

SW1/8

N/A

DRAM CONFIGURATION

Size

Bank 0

JP4

64KB

(8) 4164

Closed

256KB

(8) 4464

Open

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