ESCOM AG

GRAPHICS ACCELERATOR VGA (P/N 2150/2150D)

Category

Video

Video Types Supported

XVGA

Video Processor

86C911

Highest Resolution Supported

1280 x 1024

Data Bus Type

16-bit ISA

Memory Type

VRAM

Maximum Onboard Memory

1MB

CONNECTIONS

Purpose

Location

Purpose

Location

15-pin analog video port

CN1

VGA feature connector

CN2

DISPLAY RESOLUTION SELECTION

Resolution

Vertical Refresh

Horizon Refresh

SW1/1

SW1/2

SW1/3

640 x 480

60Hz

31.5KHz

Off

Off

Off

640 x 480

73Hz

38KHz

Off

Off

On

800 x 600

60Hz

37.9KHz

Off

On

Off

800 x 600

72Hz

48KHz

Off

On

On

800 x 600

56Hz

35.5KHz

On

Off

Off

1024 x 768 interlaced

43.5Hz

35.5KHz

On

Off

On

1024 x 768

60Hz

48.5KHz

On

On

Off

1024 x 768

70Hz

56.5KHz

On

On

On

DISLAY MEMORY CONFIGURATION

Memory

JP6

512KB

Pins 2 & 3 closed

1MB

Pins 1 & 2 closed

ANALOG MONITOR SENSE SOURCE CONFIGURATION

Setting

JP4

»

Use monitor ID to drive sense line

Pins 1 & 2 closed

 

Use color detect logic to drive sense line

Pins 2 & 3 closed

INTERRUPT CONFIGURATION

IRQ 2/9

JP2

»

Disabled

Pins 1 & 2 closed

 

Enabled

Pins 2 & 3 closed

ISA BUS SPEED SELECTION

Speed

JP1

JP7

»

6MHz or 8MHz

Pins 2 & 3 closed

Pins 1 & 2 closed

 

10MHz or 12MHz

Pins 1 & 2 closed

Pins 2 & 3 closed

VRAM CONFIGURATION

Memory

Bank 0 (U2, U4, U6, U8)

Bank 1 (U1, U3, U5, U7)

512KB

(4) 256K x 4 ZIP

NONE

1MB

(4) 256K x 4 ZIP

(4) 256K x 4 ZIP

MISCELLANEOUS TECHNICAL NOTE

The P/N 2150 comes with a 55MHz oscillator on board while the P/N 2150D does not.