ORCHID TECHNOLOGY

FAHRENHEIT VA/VLB

Category

Video

Video Types Supported

XVGA

Video Processor

S3 86C911

Highest Resolution Supported

1280 X 1024

Data Bus Type

32-bit VESA Local Bus

Memory Type

DRAM

Maximum Onboard Memory

2048KB

CONNECTIONS

Purpose

Location

Purpose

Location

Microphone jack

J1

Speaker

J4

Speaker jack

J2

VESA feature connector

J5

15-pin analog video port

J3

   

VIDEO INTERRUPT SELECTION

IRQ 2/9

JP1

»

Disabled

Pins 2 & 3 closed

 

Enabled

Pins 1 & 2 closed

VOICE ANNOTATION INTERRUPT SELECTION

IRQ

JP4

»

IRQ12

Pins 9 & 12 closed

 

IRQ11

Pins 8 & 11 closed

 

IRQ10

Pins 7 & 10 closed

DMA CHANNEL SELECTION

Channel

JP2

»

0

Pins 2 & 3, 5 & 6 closed

 

3

Pins 1 & 2, 4 & 5 closed

I/O ADDRESS SELECTION

Address

JP3

»

344h

Pins 2 & 3 closed

 

354h

Pins 1 & 2 closed

640 X 480 REFRESH RATE SELECTION

Rate

SW1/1

SW1/2

72Hz

Off

Off

72Hz

On

Off

60Hz

Off

On

60Hz

On

On

800 X 600 REFRESH RATE SELECTION

Rate

SW1/1

SW1/2

72Hz

Off

Off

72Hz

On

Off

56Hz

Off

On

60Hz

On

On

1024 X 768 REFRESH RATE CONFIGURATION

Rate

Mode

SW1/1

SW1/2

60Hz

Non-interlaced

Off

Off

70Hz

Non-Interlaced

On

Off

43Hz

Interlaced

Off

On

60HZ

Non-Interlaced

On

On

1280 X 960/1280 X 1024 REFRESH RATE CONFIGURATION

Rate

Mode

SW1/1

SW1/2

43Hz

Interlaced

Off

Off

48Hz

Interlaced

On

Off

SPEAKER TYPE SELECTION

Type

SW1/4

»

Mono

Off

 

Stereo

On

FACTORY CONFIGURED - DO NOT ALTER

Switch

Position

SW1/3

Off

DRAM CONFIGURATION

Size

Bank 0

Bank 1

JP6

JP8

1024KB

(8) 44256

NONE

Open

Open

2048KB

(8) 44256

(8) 44256

Closed

Closed