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 256MB (EDO supported) Memory 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 [Image] 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 CN4 IR connector IR interface IDE interface 1 CN5 Chassis fan power JP13 IDE interface 2 CN6 IDE interface LED JP20 PS/2 mouse CN7 32-bit PCI slots PC1 - PC4 interface Power LED & CON1 pins 1 - Cache slot SL1 keylock 5 Speaker CON1 pins 7 - MediaBus slot SL2 10 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 Clock Multiplier JP9 JP10 JP11 JP12 Speed Speed 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.