...because we can't all be on the bleeding edge...





ADVANTAGE! MEMORY EXPANSION AND I/O BOARD

AST RESEARCH, INC.

ADVANTAGE! MEMORY EXPANSION AND I/O BOARD

Card Type

Multi-I/O card

Chip Set

Unidentified

Maximum Onboard Memory

3MB DRAM (with daughter board)

I/O Options

Game port, parallel port, serial ports (2), Advantage-Pak memory card

Data Bus

16-bit ISA

Floppy drives supported

None

CONNECTIONS

Function

Label

Function

Label

Parallel port

J1

Game port

J4

Serial port 1

J2

Advantage-Pak connector

J5

Serial port 2

J3

   

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Serial port 1 CTS input forced true

J7/A

Closed

 

Serial port 1 CTS normal

J7/A

Open

»

Serial port 1 CTS normal

J7/B

Closed

 

Serial port 1 CTS input forced true

J7/B

Open

»

Serial port 1 DSR input forced true

J7/C

Closed

 

Serial port 1 DSR normal

J7/C

Open

»

Serial port 1 DSR normal

J7/D

Closed

 

Serial port 1 DSR input forced true

J7/D

Open

»

Serial port 1 DCD input forced true

J7/E

Closed

 

Serial port 1 DCD input normal

J7/E

Open

»

Serial port 1 DCD normal

J7/F

Closed

 

Serial port 1 DCD forced true

J7/F

Open

»

Serial port 2 CTS input forced true

J8/A

Closed

 

Serial port 2 CTS normal

J8/A

Open

»

Serial port 2 CTS normal

J8/B

Closed

 

Serial port 2 CTS input forced true

J8/B

Open

»

Serial port 2 DSR input forced true

J8/C

Closed

 

Serial port 2 DSR normal

J8/C

Open

»

Serial port 2 DSR normal

J8/D

Closed

 

Serial port 2 DSR input forced true

J8/D

Open

USER CONFIGURABLE SETTINGS (CON’T)

Function

Label

Position

»

Serial port 2 DCD input forced true

J8/E

Closed

 

Serial port 2 DCD input normal

J8/E

Open

»

Serial port 2 DCD normal

J8/F

Closed

 

Serial port 2 DCD forced true

J8/F

Open

»

Factory configured - do not alter

SW1/6

N/A

»

Factory configured - do not alter

SW1/7

N/A

 

Parity enabled

SW1/8

On

 

Parity Disabled

SW1/8

Off

 

Game port enabled

SW2/6

On

 

Game port disabled

SW2/6

Off

»

Factory configured - do not alter

SW2/7

N/A

»

Factory configured - do not alter

SW2/8

N/A

»

Factory configured - do not alter

SW3/8

N/A

DRAM SWITCH CONFIGURATION

Bank0

Bank1

Bank2

Bank3

Bank4

Bank5

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

128KB

None

None

None

None

None

Off

Off

Off

Off

On

512KB

None

None

None

None

None

Off

Off

On

On

On

128KB

128KB

None

None

None

None

Off

Off

Off

On

Off

128KB

512KB

None

None

None

None

On

Off

Off

Off

Off

512KB

512KB

None

None

None

None

Off

On

Off

Off

Off

128KB

128KB

128KB

None

None

None

Off

Off

Off

On

On

128KB

128KB

512KB

None

None

None

On

Off

On

Off

On

128KB

512KB

512KB

None

None

None

On

Off

Off

Off

On

512KB

512KB

512KB

None

None

None

Off

On

Off

Off

On

128KB

128KB

128KB

128KB

None

None

Off

Off

On

Off

Off

128KB

128KB

128KB

512KB

None

None

On

On

Off

Off

On

128KB

128KB

512KB

512KB

None

None

On

Off

On

On

Off

128KB

512KB

512KB

512KB

None

None

On

Off

Off

On

Off

512KB

512KB

512KB

512KB

None

None

Off

On

Off

On

Off

128KB

128KB

128KB

128KB

128KB

None

Off

Off

On

Off

On

128KB

128KB

128KB

128KB

512KB

None

On

On

On

Off

Off

128KB

128KB

128KB

512KB

512KB

None

On

On

Off

On

Off

128KB

128KB

512KB

512KB

512KB

None

On

Off

On

On

On

128KB

512KB

512KB

512KB

512KB

None

On

Off

Off

On

On

512KB

512KB

512KB

512KB

512KB

None

Off

On

Off

On

On

128KB

128KB

128KB

128KB

128KB

128KB

Off

Off

On

On

Off

128KB

128KB

128KB

128KB

128KB

512KB

On

On

On

On

Off

128KB

128KB

128KB

128KB

512KB

512KB

On

On

On

Off

On

128KB

128KB

128KB

512KB

512KB

512KB

On

On

Off

On

On

128KB

128KB

512KB

512KB

512KB

512KB

On

On

Off

Off

Off

128KB

512KB

512KB

512KB

512KB

512KB

On

Off

On

Off

Off

512KB

512KB

512KB

512KB

512KB

512KB

Off

On

On

Off

Off

SPLIT MEMORY ADDRESSING SELECTION

Address

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

256KB AT

On

On

On

On

On

Off

On

512KB AT

On

On

On

On

Off

On

On

512KB AT

On

On

On

Off

On

On

On

612KB AT

On

On

On

Off

On

On

On

SERIAL PORT(S) ADDRESS SWITCH SELECTION (ONE SERIAL PORT)

Number of Serial ports in AT

SW2/1

SW2/2

SW2/3

0

On

Off

Off

1

Off

On

Off

2

Off

Off

Off

SERIAL PORT(S) ADDRESS SELECTION (TWO SERIAL PORTS)

Serial port 1 Setting

Serial port 2 Setting

J6/A

J6/B

J6/C

COM1 (3F8h)

Disabled

Open

Open

Closed

COM2 (2F8h)

Disabled

Open

Closed

Open

Disabled

Disabled

Open

Open

Open

SERIAL PORT(S) ADDRESS SWITCH SELECTION (TWO SERIAL PORTS)

Number of Serial ports in AT

SW2/1

SW2/2

SW2/3

0

On

Off

On

1

Off

On

Off

2

Off

Off

Off

SERIAL PORT(S) ADDRESS SELECTION (ONE SERIAL PORT)

Serial port 1 Setting

Serial port 2 Setting

J6/A

J6/B

J6/C

COM1 (3F8h)

Disabled

Closed

Open

Closed

COM2 (2F8h)

Disabled

Open

Closed

Open

Disabled

Disabled

Open

Open

Open

PARALLEL PORT ADDRESS SWITCH SELECTION (COLOR-TYPE DISPLAY CARD)

Number of Parallel ports in AT

SW2/4

SW2/5

0

On

Off

1

Off

On

2

Off

Off

3

Off

Off

PARALLEL PORT ADDRESS SELECTION (COLOR-TYPE DISPLAY CARD)

IRQ

J6/D

J6/E

LPT1

Open

Closed

LPT2

Closed

Open

Disabled

Open

Open

Disabled

Open

Open

PARALLEL PORT ADDRESS SWITCH SELECTION (MONOCHROME-TYPE DISPLAY CARD)

Number of Parallel ports in AT

SW2/4

SW2/5

1

Off

On

2

Off

Off

3

Off

Off

PARALLEL PORT ADDRESS SELECTION (MONOCHROME-TYPE DISPLAY CARD)

IRQ

J6/D

J6/E

LPT2

Open

Closed

LPT3

Closed

Open

Disabled

Open

Open

Disabled

Open

Open

AST RESEARCH, INC.

ADVANTAGE-PAK

CONNECTIONS

Function

Label

Advantage-Pak connector

CN1

TOTAL DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

Bank 4

Bank 5

128KB

(18) 4164

None

None

None

None

None

256KB

(18) 4164

(18) 4164

None

None

None

None

384KB

(18) 4164

(18) 4164

(18) 4164

None

None

None

512KB(A)

(18) 4164

(18) 4164

(18) 4164

(18) 4164

None

None

512KB(B)

(18) 41256

None

None

None

None

None

640KB(A)

(18) 4164

(18) 41256

None

None

None

None

640KB(B)

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 4164

None

768KB(A)

(18) 4164

(18) 4164

(18) 41256

None

None

None

768KB(B)

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 4164

896KB

(18) 4164

(18) 4164

(18) 4164

(18) 41256

None

None

1024KB(A)

(18) 41256

(18) 41256

None

None

None

None

1024KB(B)

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 41256

None

1152KB(A)

(18) 4164

(18) 41256

(18) 41256

None

None

None

1152KB(B)

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 4164

(18) 41256

1536KB

(18) 41256

(18) 41256

(18) 41256

None

None

None

1664KB

(18) 4164

(18) 41256

(18) 41256

(18) 41256

None

None

2048KB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

None

None

2176KB

(18) 4164

(18) 41256

(18) 41256

(18) 41256

(18) 41256

None

2560KB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

(18) 41256

None

2688KB

(18) 4164

(18) 41256

(18) 41256

(18) 41256

(18) 41256

(18) 41256

3072KB

(18) 41256

(18) 41256

(18) 41256

(18) 41256

(18) 41256

(18) 41256

MISCELLANEOUS TECHNICAL NOTE

Note: CN1 is located on the back side of the daughter board.