HwMuseum | Index

ASUS COMPUTER INTERNATIONAL

P/I-P55T2P4

Processor

Pentium

Processor Speed

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

Chip Set

Intel

Video Chip Set

None

Maximum Onboard Memory

256MB (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, IR connector, MediaBus slot

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Turbo LED

CON1 pins 12 & 13

Serial port 2

CN2

Green PC connector

CON1 pins 14 & 15

Parallel port

CN3

Reset switch

CON1 pins 19 & 20

Floppy drive interface

CN4

IR connector

IR

IDE interface 1

CN5

Chassis fan power

JP13

IDE interface 2

CN6

IDE interface LED

JP20

PS/2 mouse interface

CN7

32-bit PCI slots

PC1 - PC4

Power LED & keylock

CON1 pins 1 - 5

Cache slot

SL1

Speaker

CON1 pins 7 - 10

MediaBus slot

SL2

USER CONFIGURABLE SETTINGS

Function

Label

Position

»

On board multi I/O enabled

JP1

Pins 1 & 2 closed

 

On board multi I/O disabled

JP1

Pins 2 & 3 closed

»

Flash BIOS write protect disabled

JP8

Pins 1 & 2 closed

 

Flash BIOS write protect enabled

JP8

Pins 2 & 3 closed

»

PS/2 mouse IRQ12 disabled

JP18

Pins 2 & 3 closed

 

PS/2 mouse IRQ12 enabled

JP18

Pins 1 & 2 closed

»

CMOS memory normal operation

JP19

Open

 

CMOS memory clear

JP19

Closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

8MB

(2) 1M x 36

None

16MB

(2) 2M x 36

None

16MB

(2) 1M x 36

(2) 1M x 36

24MB

(2) 1M x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 4M x 36

None

32MB

(2) 2M x 36

(2) 2M x 36

40MB

(2) 1M x 36

(2) 4M x 36

40MB

(2) 4M x 36

(2) 1M x 36

48MB

(2) 2M x 36

(2) 4M x 36

48MB

(2) 4M x 36

(2) 2M x 36

64MB

(2) 8M x 36

None

64MB

(2) 4M x 36

(2) 4M x 36

72MB

(2) 1M x 36

(2) 8M x 36

72MB

(2) 8M x 36

(2) 1M x 36

80MB

(2) 2M x 36

(2) 8M x 36

80MB

(2) 8M x 36

(2) 2M x 36

96MB

(2) 4M x 36

(2) 8M x 36

96MB

(2) 8M x 36

(2) 4M x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

128MB

(2) 16M x 36

None

128MB

(2) 8M x 36

(2) 8M x 36

136MB

(2) 1M x 36

(2) 16M x 36

136MB

(2) 16M x 36

(2) 1M x 36

144MB

(2) 2M x 36

(2) 16M x 36

144MB

(2) 16M x 36

(2) 2M x 36

160MB

(2) 4M x 36

(2) 16M x 36

160MB

(2) 16M x 36

(2) 4M x 36

192MB

(2) 8M x 36

(2) 16M x 36

192MB

(2) 16M x 36

(2) 8M x 36

256MB

(2) 16M x 36

(2) 16M x 36

Note: Board accepts EDO memory. Board also accepts x 32 SIMMs. Memory setup is required in BIOS.

CACHE CONFIGURATION

Size

Bank 0

SL1

256KB (A)

(2) 32K x 32

None

256KB (B)

None

256KB module installed

512KB (A)

(2) 32K x 32

256KB module installed

512KB (B)

(2) 64K x 32

None

512KB (C)

None

512KB module installed

CACHE JUMPER CONFIGURATION

Size

JP2

256KB (A/B)

Pins 1 & 2 closed

512KB (A/B/C)

Pins 2 & 3 closed

CPU SPEED SELECTION

CPU Speed

Clock Speed

Multiplier

JP9

JP10

JP11

JP12

75MHz

50MHz

1.5x

Open

Open

2 & 3

2 & 3

90MHz

60MHz

1.5x

Open

Open

2 & 3

1 & 2

100MHz

66MHz

1.5x

Open

Open

1 & 2

2 & 3

120MHz

60MHz

2x

Closed

Open

2 & 3

1 & 2

133MHz

66MHz

2x

Closed

Open

1 & 2

2 & 3

150MHz

60MHz

2.5x

Closed

Closed

2 & 3

1 & 2

166MHz

66MHz

2.5x

Closed

Closed

1 & 2

2 & 3

Note: Designated pins should be in the closed position.

CPU VOLTAGE SELECTION

Voltage

JP17

3.3v - 3.465v (STD)

Pins 1 & 2 closed

3.4v - 3.6v (VRE)

Pins 2 & 3 closed

DMA CHANNEL SELECTION

Channel

JP5

JP6

 

1

Pins 1 & 2 closed

Pins 1 & 2 closed

»

3

Pins 2 & 3 closed

Pins 2 & 3 closed

SERIAL PORT 2 SELECTION

Setting

JP3

JP4

»

Used as COM2

Pins 1 & 2 closed

Pins 1 & 2 closed

 

Used as IR connector

Pins 2 & 3 closed

Pins 2 & 3 closed

Note: These jumpers may not be available on all boards.