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AST Rampage 286 Expanded Memory Card

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Jumper Settings

Card Type

Memory card

Chip Set

Unidentified

Maximum Onboard Memory

2MB RAM (Type unidentified)

I/O Options

None

Data Bus

16-bit ISA

Floppy drives supported

None

52501-1.png

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Dual Page mode enabled

SW1/9

Closed

 

Dual Page mode disabled

SW1/9

Open

»

Factory configured - do not alter

SW1/10

N/A

»

Parity checking enabled

SW2/8

Closed

 

Parity checking disabled

SW2/8

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

512KB

(18) 41256

None

None

None

1MB

(18) 41256

(18) 41256

None

None

1.5MB

(18) 41256

(18) 41256

(18) 41256

None

2MB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

MEMORY CONFIGURATION

Size

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

»

Conventional

On

On

On

On

On

On

On

 

Extended

Off

Off

Off

Off

Off

Off

Off

DRAM SWITCH CONFIGURATION

Size

SW1/1

SW1/2

SW1/3

SW1/4

»

128KB

On

On

On

On

 

256KB

On

On

On

Off

 

384KB

On

On

Off

On

 

512KB

On

On

Off

Off

 

640KB

On

Off

On

On

 

768KB

On

Off

On

Off

 

896KB

On

Off

Off

On

 

1024KB

On

Off

Off

Off

 

1152KB

Off

On

On

On

 

1280KB

Off

On

On

Off

 

1408KB

Off

On

Off

On

 

1536KB

Off

On

Off

Off

 

1664KB

Off

Off

On

On

 

1792KB

Off

Off

On

Off

 

1920KB

Off

Off

Off

On

 

2048KB

Off

Off

Off

Off

BASE I/O ADDRESS CONFIGURATION

Address

SW1/5

SW1/6

SW1/7

SW1/8

 

0208h

On

On

On

On

»

0218h

On

On

On

Off

 

0258h

On

Off

On

Off

 

0268h

On

Off

Off

On

 

02A8h

Off

On

Off

On

 

02B8h

Off

On

Off

Off

 

02E8h

Off

Off

Off

On

See Also