AST RESEARCH, INC.

G-11 SIX PAK 286

Card Type

Memory Expansion

Chipset Controller

Unidentified

I/O Options

Feature Connector

Maximum Dram

4MB

CONNECTIONS

Purpose

Location

Feature Connector

CN1

PARITY SELECT

Setting

JP2

Enable

Closed

Disable

Open

DRAM CONFIGURATION

Size

Bank 0

Bank 1

512KB

(2) 256K x 9

NONE

1024KB

(2) 256K x 9

(2) 256K x 9

2048KB

(2) 1M x 9

NONE

4096KB

(2) 1M x 9

(2) 1M x 9

DEFAULT CONFIGURATION TOGGLE

Purpose

JP3

Configuration default toggle first position

Pins 2 & 3 closed

Configuration default toggle second position

Pins 1 & 2 closed

Note:This toggle functions as a clearing of the firmware on the board. If the jumper is first on Pins 2 & 3 then changing this jumper to Pins 1 & 2 will cause the firmware to be erased and default values to be loaded. This will then stay until the jumper is moved again.

DRAM SELECT

Size

JP1/A

JP1/B

JP1/C

JP1/D

JP1/E

JP1/F

512KB

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

1024KB

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

2048KB

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

4096KB

Pins 2 &3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Note: Pins designated shown are in the closed position

BOARD NUMBER

Purpose

JP4/A

JP4/B

JP4/C

JP4/D

Board number 1

Closed

Open

Open

Open

Board number 2

Open

Closed

Open

Open

Board number 3

Open

Open

Closed

Open

Board number 4

Open

Open

Open

Closed