ASUS COMPUTER INTERNATIONAL

MES-B (REV. 1.01)

Device Type Mainboard
Processor Celeron
Processor Speed 300/333/366/400/433/466/500MHz
Chip Set SIS 620
Video Chip Set SIS
Audio Chip Set ESS
Maximum Onboard Memory 768MB (SDRAM supported)
Maximum Video Memory 8MB
Maximum Audio Memory Unidentified
Cache 0/128KB (located on the CPU)
BIOS Award
Dimensions 244mm x 220mm
I/O Options 32-bit PCI slots (4), floppy drive interface, game/MIDI interface, green PC connector, IDE interfaces (2), PS/2 mouse interface, serial interfaces (2), VGA interface, IR connector, USB connectors (2), ATX power connector, line in interface, line out interface, microphone in, audio in - CD-ROMs (2), Wake on LAN connector, Wake on Ring connector, LCD interface


CONNECTIONS

Purpose

Location

Purpose

Location

ATX power connector

ATX

IR connector CN16
Parallel port interface CN1 Audio header interface CN17
Serial interface 2 CN2 VGA header interface CN18
Serial interface 1 CN3 Audio in - Modem CN19
USB/IR/Mouse interface CN4 Audio in - AUX CN20
SMBus connector CN5 Audio in - CD ROM 1 CN21
Wake on LAN connector CN6 Audio in - CD ROM 2 CN22
Wake on ring connector CN7 Power LED & keylock CN23/Pins 1-5
IDE interface 1 CN8 Speaker CN23/Pins 7-10
IDE interface 2 CN9 Reset switch CN23/Pins 11 & 12
CPU fan power CN10 ATX power switch CN23/Pins 14 & 15
Power fan CN11 Green PC connector CN23/Pins 16 & 17
Chassis fan power CN12 Message LED CN23/Pins 18 & 19
TV out connector CN13 Floppy drive interface CN24
LCD connector CN14 32-bit PCI slots

PC1 - PC4

IDE interface LED CN15    


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Keyboard power on disabled JP1 Pins 1 & 2 Closed
  Keyboard power on enabled JP1 Pins 2 & 3 Closed
  Asynchronous clock frequency SW1/5 Off
  Synchronous clock frequncy SW1/5 On
» CPU core voltage normal SW1/8 Off

 

CPU core voltage +0.1V SW1/8 On

»

On board VGA enabled SW2/5 Off
  On board VGA disabled

SW2/5

On

» Display memory UMA SW2/6 Off

 

Display memory non-UMA SW2/6 On
» LCD disabled SW2/7 Off
  LCD enabled SW2/7 On
  On board audio enabled SW2/8 On
  On board audio disabled SW2/8 Off


DIMM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

8MB

(1) 1M x 64

None

None

16MB

(1) 1M x 64

(1) 1M x 64

None

16MB

(1) 2M x 64

None

None

24MB

(1) 1M x 64

(1) 1M x 64

(1) 1M x 64

32MB

(1) 2M x 64

(1) 2M x 64

None

32MB

(1) 4M x 64

None

None

32MB

(1) 2M x 64

(1) 1M x 64

(1) 1M x 64

48MB

(1) 2M x 64

(1) 2M x 64

(1) 2M x 64

48MB

(1) 4M x 64

(1) 1M x 64

(1) 1M x 64

64MB

(1) 4M x 64

(1) 4M x 64

None

64MB

(1) 8M x 64

None

None

64MB

(1) 4M x 64

(1) 2M x 64

(1) 2M x 64

80MB

(1) 8M x 64

(1) 1M x 64

(1) 1M x 64

96MB

(1) 4M x 64

(1) 4M x 64

(1) 4M x 64

96MB

(1) 8M x 64

(1) 2M x 64

(1) 2M x 64

128MB

(1) 8M x 64

(1) 8M x 64

None

128MB

(1) 16M x 64

None

None

128MB

(1) 8M x 64

(1) 4M x 64

(1) 4M x 64

144MB

(1) 16M x 64

(1) 1M x 64

(1) 1M x 64

160MB

(1) 16M x 64

(1) 2M x 64

(1) 2M x 64

192MB

(1) 8M x 64

(1) 8M x 64

(1) 8M x 64

192MB

(1) 16M x 64

(1) 4M x 64

(1) 4M x 64

256MB

(1) 16M x 64

(1) 16M x 64

None

256MB

(1) 32M x 64

None

None

256MB

(1) 16M x 64

(1) 8M x 64

(1) 8M x 64

272MB

(1) 32M x 64

(1) 1M x 64

(1) 1M x 64

288MB

(1) 32M x 64

(1) 2M x 64

(1) 2M x 64

320MB

(1) 32M x 64

(1) 4M x 64

(1) 4M x 64

384MB

(1) 16M x 64

(1) 16M x 64

(1) 16M x 64

384MB

(1) 32M x 64

(1) 8M x 64

(1) 8M x 64

512MB

(1) 32M x 64

(1) 32M x 64

None

512MB

(1) 32M x 64

(1) 16M x 64

(1) 16M x 64

768MB

(1) 32M x 64

(1) 32M x 64

(1) 32M x 64

Note:  Board supports SDRAM memory.


CACHE CONFIGURATION

Note:  128KB cache is located on the Celeron 300 & 333A CPU.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW1/1

SW1/2

SW1/3

SW1/4

300MHz

66MHz

4.5x

On On On  On

333MHz

66MHz

5x

On On On On

366MHz

66MHz

5.5x

On On On On
400MHz 66MHz 6x On On On On
433MHz 66MHz 6.5x On On On On
466MHz 66MHz 7x On On On On
500MHz 66MHz 7.5x On On On On


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

SW2/1

SW2/2

SW2/3

SW2/4

300MHz

66MHz

4.5x

Off On On Off

333MHz

66MHz

5x

Off On Off On

366MHz

66MHz

5.5x

Off On Off Off
400MHz 66MHz 6x On Off On On
433MHz 66MHz 6.5x On Off On Off
466MHz 66MHz 7x On Off Off On
500MHz 66MHz 7.5x On Off Off Off


I/O VOLTAGE SETTINGS

Voltage

SW1/6 SW1/7
»

Normal

Off Off
 

+0.2V

On Off
  +0.3V On On