AST RESEARCH, INC.

ADVANTAGE! 610/611 486 (202728-101)

Processor

80486SX/80487SX/ODP486/ODPR486/80486DX/80486DX2/P24T/CX5X86

Processor Speed

33/66(internal)/100(internal)MHz

Chip Set

Unidentified

Max. Onboard DRAM

32MB

Cache

None

BIOS

AST

Dimensions

220mm x 220mm

I/O Options

Floppy drive interface, IDE interface, parallel port, PS/2 mouse port, serial port, 8514 video pass through, VGA port, riser slot, CD audio connector, MIDI/joystick port header, line out connector, microphone connector, line in connector, speaker out connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Line out connector

CN1

Power LED

E12

Microphone connector

CN2

IDE interface LED

E13

Line in connector

CN3

CD audio connector

J2

Speaker out connector

CN4

MIDI/joystick port header

J4

PS/2 mouse port

CN5

8514 video pass through connector

J19

Serial port

CN6

IDE interface

J22

Parallel port

CN7

Floppy drive interface

J24

VGA port

CN8

Chassis fan power

J28

Reset switch

E11

Riser slot

SL1

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Factory configured - do not alter

E1

Open

»

Factory configured - do not alter

E2

Open

»

On board video enabled

E3

Closed

 

On board video disabled

E3

Open

»

Monitor type select color

E4

Open

 

Monitor type select monochrome

E4

Closed

»

Password enabled

E5

Open

 

Password disabled

E5

Closed

»

Factory configured - do not alter

E8

Open

»

Flash BIOS normal operation

E14

Open

 

Flash BIOS force update at boot

E14

Closed

»

Factory configured - do not alter

E17

Pins 2 & 3 closed

»

Factory configured - do not alter

E18

Open

Note: The location of jumpers E1, E8 are unidentified.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

4MB

(1) 1M x 32

None

5MB

(1) 1M x 32

(1) 256K x 32

8MB

(1) 4M x 32

None

16MB

(1) 4M x 32

(1) 4M x 32

17MB

(1) 4M x 32

(1) 256K x 32

20MB

(1) 4M x 32

(1) 1M x 32

32MB

(1) 4M x 32

(1) 4M x 32

CPU TYPE CONFIGURATION

Type

E6

E7

E9

E10

80486SX

Pins 1 & 2 closed

Open

Pins 2 & 3 closed

Pins 1 & 2 closed

80487SX

Pins 1 & 2 closed

Closed

Pins 1 & 2 closed

Pins 2 & 3 closed

ODP486

Pins 1 & 2 closed

Closed

Pins 1 & 2 closed

Pins 2 & 3 closed

ODPR486

Pins 1 & 2 closed

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

80486DX

Pins 1 & 2 closed

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

80486DX2

Pins 1 & 2 closed

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

P24T

Pins 2 & 3 closed

Closed

Pins 2 & 3 closed

Pins 2 & 3 closed

Note: Board will only accept 3.345v CPU’s.