IMAGE SHARPENER

MVGA-T8900AS VGA GRAPHICS ADAPTER (VER.3)

Card Type

Video card

Video Chip Set

Unidentified

Maximum Video Memory

1MB

Video Types Supported

VGA, EGA, Monochrome, CGA

Highest Resolution Supported

1024 x 768,

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

Function

Label

Feature connector

CN1

15-pin analog video port

CN2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

SW1/4

On

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

256KB

256KB x 4

None

None

512KB

256KB x 4

256KB x 4

None

1MB

256KB x 4

256KB x 4

256KB x 4

DRAM JUMPER CONFIGURATION

Size

J3

JP1

JP2

256KB

Pins 1 & 2, 4 & 5 closed

Open

Closed

512KB

Pins 1 & 4, 2 & 5 closed

Open

Closed

1MB

Pins 2 & 3, 5 & 6 closed

Closed

Open

SCAN RATE SELECTION

Rate

SW1/3

»

<48KHz

On

 

48 - 49Khz

Off

ADDRESS DECODE SPEED SELECTION

Setting

SW1/5

»

Fast address decode

Off

 

Slow address decode

On

DATA PATH SELECTION

Setting

SW1/6

»

16-bit data path

Off

 

8-bit data path

On

MONITOR COMFIGURATION SELECTION

Setting

SW1/1

SW1/2

»

VGA mode

On

On

 

EGA mode

Off

On

 

CGA mode

On

Off

 

Monochrome/Hercules mode

Off

Off

BUS SIZE SELECTION

Setting

J2

»

Autodetect

Pins 2 & 3 closed

 

Standard interface

Pins 1 & 2 closed

IRQ INTERRUPT SELECTION

Setting

J1

»

IRQ9 disabled

Pins 2 & 3 closed

 

IRQ9 enabled

Pins 1 & 2 closed