HwMuseum | Index

FRONTIER INDUSTRIAL, INC.

TURBO VGA

Category

Video

Video Types Supported

XVGA

Video Processor

WD90C30

Highest Resolution Supported

1024 x 768

Data Bus Type

16-bit ISA

Memory Type

DRAM

Maximum Onboard Memory

1024KB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

Feature connector

CN2

TURBO MODE CONFIGURATION

Mode

JP2

»

Enabled

Pins 2 & 3 closed

 

Disabled

Pins 1 & 2 closed

800 X 600 REFRESH RATE SELECTION

Rate

SW1/1

SW1/2

56Hz

Off

Off

72Hz

On

Off

60Hz

Off

On

56Hz

On

On

1024 X 768 REFRESH RATE CONFIGURATION

Rate

Mode

SW1/3

SW1/4

87Hz

Interlaced

Off

Off

70Hz

Non-Interlaced

On

Off

60Hz

Non-Interlaced

Off

On

Not supported

N/A

On

On

SCAN RATE CONFIGURATION

Horizontal scan rate

Vertical scan rate

SW1/5

31.5khz

60Hz, 70Hz

Off

40khz

75Hz, 88Hz

On

MONITOR TYPE SELECTION

Type

SW1/6

»

Color VGA

Off

 

Monochrome VGA

On

Note: SW1/switch 6 may not be found on all versions of this board.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

JP1

512KB

(4) 44256

NONE

Pins 2 & 3 closed

1024KB

(4) 44256

(4) 44256

Pins 1 & 2 closed