HwMuseum | Index

UNIDENTIFIED

VL 36

Category

Video

Video Types Supported

XVGA

Video Processor

Trident Microsystems, Inc.

Highest Resolution Supported

1024 x 760

Data Bus Type

VESA local-bus

Memory Type

DRAM

Maximum Onboard Memory

2MB

CONNECTIONS

Purpose

Location

15-pin analog video port

CN1

VL-BUS TIMING

Setting

J1

» Standard

Pins 2 & 3 closed

Alternate

Pins 1 & 2 closed

VL-BUS SPEED

Setting

J3

CPU speed <= 33MHz

Open

CPU speed > 33MHz

Closed

VERTICAL SCAN RATE

Setting

J4

» Monitor scan rate < 48.7KHz

Closed

Monitor scan rate >= 48.7KHz

Open

DRAM SPEED

DRAM Speed

J5

60ns or 70ns

Open

80ns

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

» 1MB

(2) 512K x 8

None

2MB

(2) 512K x 8

(8) 256K x 4

Note:Some versions of the VL36 have (8) 256K x 4 DRAM installed with no provision for memory upgrade.

MISCELLANEOUS TECHNICAL NOTES

Jumper J2 is factory configured in the open position - do not alter