MAGNI SYSTEMS, INC.

XR200/XR256

Category

Video

Video Types Supported

XVGA

Video Processor

Tseng Labs

Highest Resolution Supported

1024 x 768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1MB (Exact location of memory is unidentified)

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Video input connector

CN3

VGA feature connector

CN2

Video output connector

CN4

I/O PORT ADDRESS SELECTION

Address

JP4

»

298h - 29Bh

Pins 1 & 3, 2 & 4 closed

 

2F0h - 2F3h

Pins 2 & 4, 3 & 5 closed

 

398h - 39Bh

Pins 1 & 3, 4 & 6 closed

 

3E0h - 3E3h

Pins 3 & 5, 4 & 6 closed

VGA FEATURE CONNECTOR CONFIGURATION

Setting

JP3

»

Disabled

Pins 1 & 2 closed

 

Enabled

Pins 2 & 3 closed

INTERRUPT CONFIGURATION

IRQ 2/9

JP1

»

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

ZERO WAIT STATE CONFIGURATION

Setting

JP2

»

Enabled

Pins 1 & 2 closed

 

Disabled

Pins 2 & 3 closed

VIDEO FORMATTING CONFIGURATION

Setting

SW1

Composite video

Push switch in the up position

S-video

Push switch in the downward position

MISCELLANEOUS TECHNICAL NOTE

The XR256 is identical to the XR200. The XR256 is just limited to having only 256 colors.