...because we can't all be on the bleeding edge...





ITX SERIES

IMAGRAPH CORPORATION

ITX SERIES

Category

Video

Video Types Supported

MGA/CGA/XVGA

Video Processor

Texas Instruments TMS34020

Highest Resolution Supported

1280 x 1024

Data Bus Type

16-bit ISA

Memory Type

DRAM/VRAM (factory installed)

Maximum Onboard Memory

2MB VRAM/16MB DRAM

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Diagnostic header

J13

VGA pass-through

CN2

Daughterboard headers

P8-P10

SYNC ON GREEN CONFIGURATION

Mode

SW4/1

Enabled

On

Disabled

Off

VIDEO EMULATION SELECTION

Mode

SW4/5

SW4/6

Disabled

Off

Off

MDA

On

Off

CGA

Off

On

EMULATION EPROM CONFIGURATION

Setting

J4

Installed

Pins 1 & 2 closed

Not installed

Pins 2 & 3 closed

OUTPUT SYNC SIGNAL CONFIGURATION

Mode

J1

Composite sync

Pins 1 & 2 closed

Horizontal sync

Pins 2 & 3 closed

PASS-THROUGH SYNC SIGNAL CONFIGURATION

Mode

J5

Composite sync

Pins 1 & 2 closed

Horizontal sync

Pins 2 & 3 closed

INTERRUPT SELECTION

IRQ

J6

J7

J8

J9

J10

J11

J12

Disabled

Open

Open

Open

Open

Open

Open

Open

2/9

Open

Open

Open

Pins 2 & 3

Open

Open

Open

3

Open

Open

Open

Open

Open

Open

Pins 2 & 3

4

Open

Open

Open

Open

Open

Open

Pins 1 & 2

5

Open

Open

Open

Open

Open

Pins 2 & 3

Open

6

Open

Open

Open

Open

Open

Pins 1 & 2

Open

7

Open

Open

Open

Open

Pins 2 & 3

Open

Open

10

Open

Open

Open

Pins 1 & 2

Open

Open

Open

11

Open

Open

Pins 2 & 3

Open

Open

Open

Open

12

Open

Open

Pins 1 & 2

Open

Open

Open

Open

14

Open

Pins 2 & 3

Open

Open

Open

Open

Open

15

Pins 1 & 2

Open

Open

Open

Open

Open

Open

Note: Pins designated are in the closed position.

BASE I/O ADDRESS SELECTION

A total of 4096 memory address settings are available. The address is selected by setting the hexadecimal numerals on switches SW1-SW3. SW1 is the Most Significant Numeral, and SW3 is the Least Significant Numeral. For example, if SW1 = 2, SW2 = B, and SW3 = 0, the address would be 2B0h.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

1MB

(1) 256K x 36

NONE

2MB

(1) 256K x 36

(1) 256K x 36

2MB

(1) 512K x 36

NONE

3MB

(1) 512K x 36

(1) 256K x 36

4MB

(1) 512K x 36

(1) 512K x 36

4MB

(1) 1M x 36

NONE

5MB

(1) 1M x 36

(1) 256K x 36

6MB

(1) 1M x 36

(1) 512K x 36

8MB

(1) 1M x 36

(1) 1M x 36

8MB

(1) 2M x 36

NONE

9MB

(1) 2M x 36

(1) 256K x 36

10MB

(1) 2M x 36

(1) 512K x 36

12MB

(1) 2M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

FACTORY CONFIGURED - DO NOT ALTER

Jumper/Switch

Position

J2

Unidentified

J3

Unidentified

SW4/2

N/A

SW4/3

N/A

SW4/4

N/A