UNIDENTIFIED

ET4000VL-BUS

Category

Video

Video Types Supported

XVGA

Video Processor

Tseng Laboratories ET 4000

Highest Resolution Supported

1280 x 1024

Data Bus Type

32-bit VESA local bus

Memory Type

DRAM

Maximum Onboard Memory

1MB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VGA feature connector

CN2

INTERRUPT SELECTION

IRQ2

JP8

Enabled

Close

Disabled

Open

ISA VGA BIOS

Setting

JP9

Enabled

Close

Disabled

Open

LOCAL BUS VGA CONFIGURATION

Setting

JP1

JP4

Enabled

Closed

Closed

Disabled

Open

Open

MIN/IO CYCLES

MIN T2 MIO=1

MIN T2 MIO=1

JP2

JP3

1

1

1

3

2

4

1

0

3

3

0

1

4

4

0

0

FACTORY CONFIGURED SETTINGS - DO NOT ALTER

Jumpers

Settings

JP5

Unidentified

JP6

Unidentified

JP7

Unidentified

Note: JP5-7 control clock IC frequency

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

256KB

(2) 256 x 4

None

None

512KB

(2) 256 x 4

(2) 256 x 4

None

1MB

(2) 256 x 4

(2) 256 x 4

(4) 256 x 4