...because we can't all be on the bleeding edge...





P/I-P55SP4

ASUS COMPUTER INTERNATIONAL

P/I-P55SP4

Processor

Pentium

Processor Speed

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

Chip Set

SIS

Max. Onboard DRAM

512MB

Cache

256/512/1024KB

BIOS

Award

Dimensions

330mm x 218mm

I/O Options

Parallel port, serial ports (2), 32-bit PCI slots (4), green PC connector, floppy drive interface, IDE interfaces (2), cache slot, MediaBus slot, infrared connector

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

PS/2 mouse interface

CN1

Green PC connector

J1 pins 14 & 15

Serial port 2

CN2

Turbo switch

J1 pins 16 & 17

Serial port 1

CN3

Reset switch

J1 pins 19 & 20

Parallel port

CN4

Green PC connector

JP1

Floppy drive interface

CN5

Chassis fan power

JP26

IDE interface 1

CN6

IDE interface LED

JP27

IDE interface 2

CN7

Infrared connector

JP31

Power LED & keylock

J1 pins 1 - 5

32-bit PCI slots

PC1 - PC4

Speaker

J1 pins 7 - 10

MediaBus slot

SL1

Turbo LED

J1 pins 12 & 13

Cache slot

SL2

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

PS/2 mouse port disabled

JP5

pins 1 & 2 closed

 

PS/2 mouse port enabled

JP5

pins 2 & 3 closed

»

Flash BIOS boot block protected

JP16

pins 1 & 2 closed

 

Flash BIOS boot block programming enabled

JP16

pins 2 & 3 closed

»

On board I/O enabled

JP1C

pins 1 & 2 closed

 

On board I/O disabled

JP1C

pins 2 & 3 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

2MB

(2) 256K x 36

NONE

4MB

(2) 256K x 36

(2) 256K x 36

4MB

(2) 512K x 36

NONE

6MB

(2) 256K x 36

(2) 512K x 36

6MB

(2) 512K x 36

(2) 256K x 36

8MB

(2) 512K x 36

(2) 512K x 36

8MB

(2) 1M x 36

NONE

10MB

(2) 256K x 36

(2) 1M x 36

10MB

(2) 1M x 36

(2) 256K x 36

12MB

(2) 512K x 36

(2) 1M x 36

12MB

(2) 1M x 36

(2) 512K x 36

16MB

(2) 1M x 36

(2) 1M x 36

16MB

(2) 2M x 36

NONE

18MB

(2) 256K x 36

(2) 2M x 36

18MB

(2) 2M x 36

(2) 256K x 36

20MB

(2) 512K x 36

(2) 2M x 36

20MB

(2) 2M x 36

(2) 512K x 36

24MB

(2) 1M x 36

(2) 2M x 36

24MB

(2) 2M x 36

(2) 1M x 36

32MB

(2) 2M x 36

(2) 2M x 36

32MB

(2) 4M x 36

NONE

34MB

(2) 256K x 36

(2) 4M x 36

34MB

(2) 4M x 36

(2) 256K x 36

36MB

(2) 512K x 36

(2) 4M x 36

36MB

(2) 4M x 36

(2) 512K 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) 4M x 36

(2) 4M x 36

64MB

(2) 8M x 36

NONE

66MB

(2) 256K x 36

(2) 8M x 36

66MB

(2) 8M x 36

(2) 256K x 36

68MB

(2) 512K x 36

(2) 8M x 36

68MB

(2) 8M x 36

(2) 512K x 36

DRAM CONFIGURATION (CON’T)

Size

Bank 0

Bank 1

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

128MB

(2) 8M x 36

(2) 8M x 36

128MB

(2) 16M x 36

NONE

130MB

(2) 256K x 36

(2) 16M x 36

130MB

(2) 16M x 36

(2) 256K x 36

132MB

(2) 512K x 36

(2) 16M x 36

132MB

(2) 16M x 36

(2) 512K 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

256MB

(2) 32M x 36

NONE

258MB

(2) 256K x 36

(2) 32M x 36

258MB

(2) 32M x 36

(2) 256K x 36

260MB

(2) 512K x 36

(2) 32M x 36

260MB

(2) 32M x 36

(2) 512K x 36

264MB

(2) 1M x 36

(2) 32M x 36

264MB

(2) 32M x 36

(2) 1M x 36

272MB

(2) 2M x 36

(2) 32M x 36

272MB

(2) 32M x 36

(2) 2M x 36

288MB

(2) 4M x 36

(2) 32M x 36

288MB

(2) 32M x 36

(2) 4M x 36

320MB

(2) 8M x 36

(2) 32M x 36

320MB

(2) 32M x 36

(2) 8M x 36

384MB

(2) 16M x 36

(2) 32M x 36

384MB

(2) 32M x 36

(2) 16M x 36

512MB

(2) 32M x 36

(2) 32M x 36

CACHE CONFIGURATION

Size

Bank 0

Bank 1

TAG

SL2

256KB

(4) 32K x 8

(4) 32K x 8

(1) 8K or (1) 32K x 8

Card not installed

256KB

NONE

NONE

NONE

Card installed

512KB

(4) 64K x 8

(4) 64K x 8

(1) 8K or (1) 32K x 8

Card not installed

512KB

NONE

NONE

NONE

Card installed

1MB

(4) 128K x 8

(4) 128K x 8

(1) 8K or (1) 32K x 8

Card not installed

1MB

NONE

NONE

NONE

Card installed

CACHE JUMPER CONFIGURATION

Size

JP10

JP11

256KB

pins 1 & 2 closed

pins 1 & 2 closed

512KB

pins 2 & 3 closed

pins 1 & 2 closed

1MB

pins 2 & 3 closed

pins 2 & 3 closed

CACHE TYPE CONFIGURATION

Type

JP6

JP7

JP8

JP9

3.3v cache

Open

Open

Closed

Closed

Mixed mode cache

Closed

Closed

Open

Open

CPU SPEED CONFIGURATION

Speed

JP12

JP13

JP14

75MHz

pins 2 & 3 closed

pins 2 & 3 closed

pins 1 & 2 closed

90MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

100MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

120MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

133MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

150MHz

pins 1 & 2 closed

pins 2 & 3 closed

pins 1 & 2 closed

166MHz

pins 2 & 3 closed

pins 1 & 2 closed

pins 1 & 2 closed

CPU CLOCK SPEED CONFIGURATION

Speed

JP20

JP21

1.5x

Open

Open

2x

Open

Closed

2.5x

Closed

Closed

3x

Closed

Open

VOLTAGE REGULATOR CONFIGURATION

Type

JP22

JP23

JP28

JP29

STD/VR

Closed

Open

Closed

Open

VRE

Open

Closed

Open

Closed

VOLTAGE REGULATOR TYPE CONFIGURATION

Setting

JP32

JP33

JP34

JP35

Not installed

Closed

Closed

Closed

Closed

Installed

Open

Open

Open

Open

Note: The location of the above jumpers are unidentified.

UART/IR CONFIGURATION

Speed

JP1A

JP1B

UART2

pins 1 & 2 closed

pins 1 & 2 closed

IR

pins 2 & 3 closed

pins 2 & 3 closed