AST RESEARCH, INC.

ADVANTAGE! 612 (221475-F01)

Processor

Pentium

Processor Speed

75/90/100/120/133/150/166MHz

Chip Set

Unidentified

Max. Onboard DRAM

128MB

Cache

256KB

BIOS

Unidentified

Dimensions

254mm x 218mm

I/O Options

Floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), 8514 video pass through connector, VGA port, VRM connector, cache slot, riser slot, midi/sound port connector, wave table connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse port

CN2

Front panel connector

J4A1

Serial port

CN3

IDE interface 2

J8E1

Serial port

CN4

Floppy drive interface

J8G1

Parallel port

CN5

IDE interface 1

J9E1

VGA port

CN6

Wavetable connector

J9H1

VRM connector

J1B1

MIDI/sound port connector

J9H2

8514 video pass through connector

J1J1

Cache slot

SL1

Front panel connector

J2A2

Riser slot

SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

Bus speed select 1/4 clock speed

J4K1

pins 2 & 3 closed

 

Bus speed select 1/3 clock speed

J4K1

pins 1 & 2 closed

»

Setup access enabled

J4K1

pins 4 & 5 closed

 

Setup access disabled

J4K1

pins 5 & 6 closed

»

CMOS memory normal operation

J5K2

pins 1 & 2 closed

 

CMOS memory clear

J5K2

pins 2 & 3 closed

»

Password enabled

J5K2

pins 4 & 5 closed

 

Password disabled

J5K2

pins 5 & 6 closed

»

Factory configured - do not alter

J9K1

N/A

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

NONE

10MB

(2) 1M x 32

(2) 256K x 32

16MB

(2) 1M x 32

(2) 1M x 32

16MB

(2) 2M x 32

NONE

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 2M x 32

(2) 2M x 32

32MB

(2) 4M x 32

NONE

34MB

(2) 4M x 32

(2) 256K x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 4M x 32

(2) 4M x 32

64MB

(2) 8M x 32

NONE

66MB

(2) 8M x 32

(2) 256K x 32

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

CACHE CONFIGURATION

Size

SL1

256KB

Installed

CPU SPEED CONFIGURATION

Speed

J5J1

J5J2

75MHz

pins 1 & 2, 4 & 5 closed

pins 1 & 2, 4 & 5 closed

90MHz

pins 1 & 2, 5 & 6 closed

pins 1 & 2, 4 & 5 closed

100MHz

pins 2 & 3, 4 & 5 closed

pins 1 & 2, 4 & 5 closed

120MHz

pins 1 & 2, 5 & 6 closed

pins 2 & 3, 4 & 5 closed

133MHz

pins 2 & 3, 4 & 5 closed

pins 2 & 3, 4 & 5 closed

150MHz

pins 1 & 2, 5 & 6 closed

pins 2 & 3, 5 & 6 closed

166MHz

pins 2 & 3, 4 & 5 closed

pins 2 & 3, 5 & 6 closed

CPU VOLTAGE CONFIGURATION

Voltage

J6A2

»

3.3v

pins 1 & 2 closed

»

3.6v

pins 2 & 3 closed

VIDEO MEMORY CONFIGURATION

Size

Bank 0

Bank 1

1MB

(2) 256K x 16

NONE

2MB

(2) 256K x 16

(2) 256K x 16