ASUS COMPUTER INTERNATIONAL
P/I-P55TP4XE REV 2.1
| 
 Processor  | 
 Pentium  | 
| 
 Processor Speed  | 
 75/90/100/120/133MHz  | 
| 
 Chip Set  | 
 SMC  | 
| 
 Max. Onboard DRAM  | 
 128MB  | 
| 
 Cache  | 
 256/512KB  | 
| 
 BIOS  | 
 Award  | 
| 
 Dimensions  | 
 254mm x 218mm  | 
| 
 I/O Options  | 
 PS/2 mouse port, parallel port, serial ports (2), 32-bit VESA local bus slots (4), green PC connector, floppy drive interface, IDE interfaces (2), Media slot, cache slot  | 
| 
 NPU Options  | 
 None  | 

| 
 CONNECTIONS  | 
|||
| 
 Purpose  | 
 Location  | 
 Purpose  | 
 Location  | 
| 
 Serial port 1  | 
 CN1  | 
 Power LED & keylock  | 
 JP16 pins 6 - 10  | 
| 
 Serial port 2  | 
 CN2  | 
 Reset switch  | 
 JP16 pins 11 & 12  | 
| 
 Parallel port  | 
 CN3  | 
 Green PC connector  | 
 JP16 pins 16 & 17  | 
| 
 Floppy drive interface  | 
 CN4  | 
 Turbo LED  | 
 JP16 pins 18 & 19  | 
| 
 IDE interface 1  | 
 CN5  | 
 IDE interface LED  | 
 JP17  | 
| 
 IDE interface 2  | 
 CN6  | 
 32-bit PCI slots  | 
 PC1 - PC4  | 
| 
 PS/2 mouse interface  | 
 CN7  | 
 Media slot  | 
 SL1  | 
| 
 Speaker  | 
 JP16 pins 1 - 4  | 
 External cache card  | 
 SL2  | 
| 
 USER CONFIGURABLE SETTINGS  | 
|||
| 
 Function  | 
 Jumper  | 
 Position  | 
|
| 
 »  | 
 On board I/O enabled  | 
 JP4  | 
 pins 1 & 2 closed  | 
| 
 
  | 
 On board 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  | 
| 
 DRAM CONFIGURATION  | 
||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
| 
 8MB  | 
 (2) 1M x 36  | 
 NONE  | 
| 
 8MB  | 
 NONE  | 
 (2) 1M x 36  | 
| 
 16MB  | 
 (2) 2M x 36  | 
 NONE  | 
| 
 16MB  | 
 NONE  | 
 (2) 2M x 36  | 
| 
 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  | 
 NONE  | 
 (2) 4M x 36  | 
| 
 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  | 
 NONE  | 
 (2) 8M x 36  | 
| 
 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  | 
| 
 128MB  | 
 (2) 8M x 36  | 
 (2) 8M x 36  | 
| 
 CACHE CONFIGURATION  | 
||||
| 
 Size  | 
 Bank 0  | 
 Bank 1  | 
 TAG  | 
 SL2  | 
| 
 256KB  | 
 (4) 32K x 8  | 
 (4) 32K x 8  | 
 (1) 8K, 16K, 32K x 8  | 
 NONE  | 
| 
 256KB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 Card installed  | 
| 
 512KB  | 
 (4) 64K x 8  | 
 (4) 64K x 8  | 
 (1) 16K, 32K x 8  | 
 NONE  | 
| 
 512KB  | 
 NONE  | 
 NONE  | 
 NONE  | 
 Card installed  | 
| 
 CACHE JUMPER CONFIGURATION  | 
|
| 
 Size  | 
 JP12  | 
| 
 256KB  | 
 pins 2 & 3 closed  | 
| 
 512KB  | 
 pins 1 & 2 closed  | 
| 
 CPU SPEED CONFIGURATION  | 
|||
| 
 Speed  | 
 JP26  | 
 JP27  | 
 JP28  | 
| 
 75MHz  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 90MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 100MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 120MHz  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
| 
 133MHz  | 
 pins 2 & 3 closed  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 CPU SPEED CONFIGURATION  | 
||
| 
 Speed  | 
 JP14  | 
 JP15  | 
| 
 1.5x  | 
 Open  | 
 Open  | 
| 
 2x  | 
 Open  | 
 Closed  | 
| 
 2.5x  | 
 Closed  | 
 Closed  | 
| 
 3x  | 
 Closed  | 
 Open  | 
| 
 VOLTAGE REGULATOR CONFIGURATION  | 
|||
| 
 Setting  | 
 JP22  | 
 JP23  | 
 JP24  | 
| 
 STD/VR  | 
 Closed  | 
 Open  | 
 Open  | 
| 
 VRE  | 
 Open  | 
 Closed  | 
 Open  | 
| 
 BIOS CONFIGURATION  | 
||
| 
 Setting  | 
 JP5  | 
 JP6  | 
| 
 Normal operation  | 
 pins 1 & 2 closed  | 
 pins 2 & 3 closed  | 
| 
 Programming operation  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
| 
 SERIAL PORT CONFIGURATION  | 
|||
| 
 Setting  | 
 JP1  | 
 JP2  | 
 JP3  | 
| 
 COM2 enabled  | 
 pins 1 & 2 closed  | 
 pins 1 & 2 closed  | 
 pins 1 & 2, 3 & 4 closed  | 
| 
 Infrared (IR)  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  | 
 pins 2 & 3 closed  |