ASUS COMPUTER INTERNATIONAL

P2B-S (VER. 1.03), P2B-LS (VER. 1.03)

Device Type

Mainboard

Processor

Pentium II

Processor Speed

233/266/300/333/350/400MHz

Chip Set

Intel 440BX

Maximum Onboard Memory

512MB (SDRAM & PC100 supported)

Cache

256/512KB (located on Pentium II CPU)

BIOS

Unidentified

Dimensions

305mm x 244mm

I/O Options

32-bit PCI slots (4), Ethernet 10BaseT connector, floppy drive interface, green PC connector, IDE interfaces (2), SCSI interface, SCSI-2 interface, parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connectors (2), ATX power connector, AGP slot, RAID slot, SB-link connector

CONNECTIONS

Purpose

Location

Purpose

Location

AGP slot

AGP

Parallel port

CN1

ATX power connector

ATX

Serial port 2

CN2

Turbo LED

C1/pins 2 & 3

Serial port 1

CN3

Green PC connector

C1/pins 4 & 5

USB connector 1

CN4

Soft off power supply

C1/pins 6 & 7

USB connector 2

CN5

Reset switch

C1/pins 9 & 10

PS/2 mouse port

CN6

Power LED & keylock

C1/pins 11 - 15

IDE interface 1

CN7

Speaker

C1/pins 17 - 20

IDE interface 2

CN8

IR connector

C2

Floppy drive interface

CN9

Chassis fan power

C3

Ultra 2 SCSI interface

CN10

Chassis intrusion connector

C4

Wide SCSI interface

CN11

IDE interface LED

C5

SCSI interface

CN12

CPU fan power

C6

Ethernet 10BaseT connector

CN13

Power fan power

C7

Power supply heat sensor

RT2

LAN LED

C8

32-bit PCI slots

PC1 - PC4

SB-link connector

C9

RAID slot

SL1

External battery

C10

 

 


USER CONFIGURABLE SETTINGS

Function

Label

Position

»

Factory configured - do not alter

JP4

Unidentified

»

Keyboard power up disabled

KBP

Pins 1 & 2 closed

 

Keyboard power up enabled

KBP

Pins 2 & 3 closed

»

CMOS memory normal operation

RTC

Open

 

CMOS memory clear

RTC

Closed

»

Factory configured - do not alter

RT1

Unidentified

»

Factory configured - do not alter

TRC

Unidentified


DIMM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(1) 1M x 64

None

16MB

(1) 2M x 64

None

16MB

(1) 1M x 64

(1) 1M x 64

24MB

(1) 2M x 64

(1) 1M x 64

32MB

(1) 4M x 64

None

32MB

(1) 2M x 64

(1) 2M x 64

40MB

(1) 4M x 64

(1) 1M x 64

48MB

(1) 4M x 64

(1) 2M x 64

64MB

(1) 8M x 64

None

64MB

(1) 4M x 64

(1) 4M x 64

72MB

(1) 8M x 64

(1) 1M x 64

80MB

(1) 8M x 64

(1) 2M x 64

96MB

(1) 8M x 64

(1) 4M x 64

128MB

(1) 8M x 64

(1) 8M x 64

128MB

(1) 16M x 64

None


DIMM CONFIGURATION

Size

Bank 0

Bank 1

164MB

(1) 16M x 64

(1) 1M x 64

144MB

(1) 16M x 64

(1) 2M x 64

160MB

(1) 16M x 64

(1) 4M x 64

192MB

(1) 16M x 64

(1) 8M x 64

256MB

(1) 16M x 64

(1) 16M x 64

256MB

(1) 32M x 64

None

264MB

(1) 32M x 64

(1) 1M x 64

272MB

(1) 32M x 64

(1) 2M x 64

288MB

(1) 32M x 64

(1) 4M x 64

320MB

(1) 32M x 64

(1) 8M x 64

384MB

(1) 32M x 64

(1) 16M x 64

512MB

(1) 32M x 64

(1) 32M x 64

Note: Board accepts SDRAM & PC100 memory.


CACHE CONFIGURATION

Note: 256KB/512KB cache is located on the Pentium II CPU.


CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

FS0

FS1

FS2

233MHz

66MHz

3.5x

2 & 3

1 & 2

1 & 2

266MHz

66MHz

4x

2 & 3

1 & 2

1 & 2

300MHz

66MHz

4.5x

2 & 3

1 & 2

1 & 2

300MHz

100MHz

3x

1 & 2

1 & 2

1 & 2

333MHz

66MHz

5x

2 & 3

1 & 2

1 & 2

350MHz

100MHz

3.5x

1 & 2

1 & 2

1 & 2

400MHz

100MHz

4x

1 & 2

1 & 2

1 & 2

Note: Pins designated should be in the closed position.


CPU SPEED SELECTION (CON'T)

CPU speed

Clock speed

Multiplier

CF1

CF2

CF3

CF4

233MHz

66MHz

3.5x

Open

Open

Closed

Closed

266MHz

66MHz

4x

Closed

Closed

Open

Closed

300MHz

66MHz

4.5x

Open

Closed

Open

Closed

300MHz

100MHz

3x

Closed

Open

Closed

Closed

333MHz

66MHz

5x

Closed

Open

Open

Closed

350MHz

100MHz

3.5x

Open

Open

Closed

Closed

400MHz

100MHz

4x

Closed

Closed

Open

Closed