ABIT COMPUTER CORPORATION PT5 R2 PCI Processor CX6X86/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Max. Onboard 128MB DRAM Cache 256/512KB BIOS Award Dimensions 330mm x 218mm I/O Options 32-bit PCI slots (3), floppy drive interface, green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 IDE interface LED JP21 Serial port 2 CN2 Speaker JW1 Parallel port CN3 Reset switch JW2 Floppy drive interface CN4 Turbo switch JW3 IDE interface 2 CN5 Power LED & keylock JW4 IDE interface 1 CN6 Turbo LED JW5 PS/2 mouse port CN7 32-bit PCI slots PC1 - PC3 IR connector JP2 Cache slot SL1 Green PC connector JP12 USER CONFIGURABLE SETTINGS Function Jumper Position » Factory configured - do not J1 Open alter » On board I/O enabled JP4 Open On board I/O disabled JP4 Closed » Factory configured - do not JP5 Open alter » CMOS memory normal operation JP10 Open CMOS memory clear JP10 Closed » Factory configured - do not JP16 Open alter DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 32 NONE 8MB (2) 512K x 32 (2) 512K x 32 10MB (2) 1M x 32 (2) 256K x 32 10MB (2) 256K x 32 (2) 1M x 32 12MB (2) 1M x 32 (2) 512K x 32 12MB (2) 512K x 32 (2) 1M x 32 16MB (2) 2M x 32 NONE 16MB (2) 1M x 32 (2) 1M x 32 18MB (2) 2M x 32 (2) 256K x 32 18MB (2) 256K x 32 (2) 2M x 32 20MB (2) 2M x 32 (2) 512K x 32 20MB (2) 512K x 32 (2) 2M x 32 24MB (2) 2M x 32 (2) 1M x 32 24MB (2) 1M x 32 (2) 2M x 32 32MB (2) 4M x 32 NONE 32MB (2) 2M x 32 (2) 2M x 32 34MB (2) 4M x 32 (2) 256K x 32 34MB (2) 256K x 32 (2) 4M x 32 36MB (2) 4M x 32 (2) 512K x 32 36MB (2) 512K x 32 (2) 4M x 32 40MB (2) 4M x 32 (2) 1M x 32 40MB (2) 1M x 32 (2) 4M x 32 48MB (2) 4M x 32 (2) 2M x 32 48MB (2) 2M x 32 (2) 4M x 32 64MB (2) 8M x 32 NONE 64MB (2) 4M x 32 (2) 4M x 32 66MB (2) 8M x 32 (2) 256K x 32 66MB (2) 256K x 32 (2) 8M x 32 68MB (2) 8M x 32 (2) 512K x 32 68MB (2) 512K x 32 (2) 8M x 32 72MB (2) 8M x 32 (2) 1M x 32 72MB (2) 1M x 32 (2) 8M x 32 DRAM CONFIGURATION (CON’T) Size Bank 0 Bank 1 80MB (2) 8M x 32 (2) 2M x 32 80MB (2) 2M x 32 (2) 8M x 32 96MB (2) 8M x 32 (2) 4M x 32 96MB (2) 4M x 32 (2) 8M x 32 128MB (2) 8M x 32 (2) 8M x 32 Note: This board supports fast page and EDO DRAM. CACHE CONFIGURATION Size CA1 & CA2 SL1 256KB (2) 32K x 32 Not installed 512KB (2) 32K x 32 Installed CACHE SWITCH CONFIGURATION Size DS/1 256KB Off 512KB On CPU TYPE CONFIGURATION Type J2 Cyrix Closed Intel Open CPU SPEED CONFIGURATION (CYRIX) Speed DS/2 DS/3 DS/4 DS/5 DS/6 120MHz Off On On Off Off 133MHz On Off Off Off Off 150MHz On On Off Off Off 166MHz On Off On Off Off CPU SPEED CONFIGURATION (AMD) Speed Ext clock DS/2 DS/3 DS/4 DS/5 DS/6 75MHz 50MHz Off On On Off Off 75MHz 66MHz On Off On On Off 90MHz 55MHz On Off Off Off Off 90MHz 60MHz On On Off Off Off 100MHz 66MHz On Off On Off Off 100MHz 55MHz On Off Off Off Off 100MHz 50MHz Off On On Off Off 120MHz 60MHz On On Off Off Off 133MHz 66MHz On Off On Off Off 150MHz 60MHz On On Off On Off 166MHz 66MHz On Off On On Off CPU SPEED CONFIGURATION (INTEL) Speed DS/2 DS/3 DS/4 DS/5 DS/6 75MHz Off On On Off Off 90MHz On On Off Off Off 100MHz On Off On Off Off 120MHz On On Off On Off 133MHz On Off On On Off 150MHz On On Off On On 166MHz On Off On On On 180MHz On On Off Off On 200MHz On Off On Off On CPU VOLTAGE CONFIGURATION Voltage JP20 3.3v pins 3 & 6 closed » 3.45v pins 2 & 5 closed 3.6v pins 1 & 4 closed