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P/I-P55TP4XEG (VER. 2.4)

ASUS COMPUTER INTERNATIONAL

P/I-P55TP4XEG (VER. 2.4)

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

128MB (EDO supported)

Maximum Video Memory

None

Cache

256/512KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

32-bit PCI slots (4), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse interface, serial ports (2), cache slot, VRM connector, MediaBus slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Reset switch

CN8 pins 9 & 10

Serial port 2

CN2

Power LED & keylock

CN8 pins 11 - 15

Parallel port

CN3

Speaker

CN8 pins 17 - 20

Floppy drive interface

CN4

IDE interface LED

JP17

IDE interface 1

CN5

Chassis fan power

JP30

IDE interface 2

CN6

32-bit PCI slots

PC1 - PC4

PS/2 mouse interface

CN7

MediaBus slot

SL1

Turbo LED

CN8 pins 2 & 3

Cache slot

SL2

Green PC connector

CN8 pins 4 & 5

VRM connector

VRM

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board multi I/O enabled

JP4

Pins 1 & 2 closed

 

On board multi I/O disabled

JP4

Pins 2 & 3 closed

»

PS/2 mouse disabled

JP7

Pins 2 & 3 closed

 

PS/2 mouse enabled

JP7

Pins 1 & 2 closed

»

CMOS memory normal operation

JP13

Open

 

CMOS memory clear

JP13

Closed

Note: If the multi I/O chip is a UM8669F, JP4 is not used. It is enabled or disabled through the BIOS.

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 32

None

8MB

None

(2) 1M x 32

16MB

(2) 2M x 32

None

16MB

None

(2) 2M x 32

16MB

(2) 1M x 32

(2) 1M x 32

24MB

(2) 1M x 32

(2) 2M x 32

24MB

(2) 2M x 32

(2) 1M x 32

32MB

(2) 4M x 32

None

32MB

None

(2) 4M x 32

32MB

(2) 2M x 32

(2) 2M x 32

40MB

(2) 1M x 32

(2) 4M x 32

40MB

(2) 4M x 32

(2) 1M x 32

48MB

(2) 2M x 32

(2) 4M x 32

48MB

(2) 4M x 32

(2) 2M x 32

64MB

(2) 8M x 32

None

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

64MB

None

(2) 8M x 32

64MB

(2) 4M x 32

(2) 4M x 32

72MB

(2) 1M x 32

(2) 8M x 32

72MB

(2) 8M x 32

(2) 1M x 32

80MB

(2) 2M x 32

(2) 8M x 32

80MB

(2) 8M x 32

(2) 2M x 32

96MB

(2) 4M x 32

(2) 8M x 32

96MB

(2) 8M x 32

(2) 4M x 32

128MB

(2) 8M x 32

(2) 8M x 32

Note: Board accepts EDO memory. Board also accepts x 36 SIMMs.

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

SL2

256KB (A)

(4) 32K x 8

(4) 32K x 8

(1) 8K/16K/32K x 8

Not installed

256KB (B)

None

None

None

256KB module Installed

512KB (A)

(4) 64K x 8

(4) 64K x 8

(1) 16K/32K x 8

Not installed

512KB (B)

None

None

None

512KB module Installed

CACHE CONFIGURATION

Type

JP16

Asynchronous cache enabled

Pins 1 & 2 closed

Asynchronous cache disabled

Pins 2 & 3 closed

CACHE JUMPER CONFIGURATION

Size

JP12

256KB (A)

Pins 2 & 3 closed

512KB (A)

Pins 1 & 2 closed

CACHE VOLTAGE CONFIGURATION

Voltage

JP8

JP9

JP10

JP11

Mixed voltage

Closed

Closed

Open

Open

3.3v

Open

Open

Closed

Closed

CPU SPEED SELECTION

CPU speed

Clock speed

Multiplier

JP14

JP15

JP26

JP27

JP28

75MHz

50MHz

1.5x

Open

Open

1 & 2

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

2 & 3

2 & 3

1 & 2

100MHz

66MHz

1.5x

Open

Open

2 & 3

1 & 2

2 & 3

120MHz

60MHz

2x

Open

Closed

2 & 3

2 & 3

1 & 2

133MHz

66MHz

2x

Open

Closed

2 & 3

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

2 & 3

2 & 3

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP22

JP23

JP24

3.3v (STD/VR)

Closed

Open

Open

3.4v - 3.6v (VRE)

Open

Closed

Open

CPU VOLTAGE SELECTION

Setting

JP18

JP19

JP20

JP21

VRM not installed

Closed

Closed

Closed

Closed

VRM installed

Open

Open

Open

Open

SERIAL PORT 2 SELECTION

Setting

JP1

JP2

»

Used as COM2

Pins 1 & 2 closed

Pins 1 & 2 closed

FLASH BIOS SELECTION

Setting

JP5

JP6

Flash BIOS write protect enabled

Pins 1 & 2 closed

Pins 2 & 3 closed

Flash BIOS write protect disabled

Pins 2 & 3 closed

Pins 2 & 3 closed