ABIT COMPUTER CORPORATION PN5 PCI (REV. 1.2) Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory 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, USB connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Turbo LED J7 pins 4 & 6 Serial port 1 CN2 Green PC J7 pins 8 & 10 connector Parallel port CN3 Speaker J7 pins 14/15/17/19 Floppy drive CN4 Reset switch J7 pins 18 & 20 interface IDE interface 2 CN5 IR connector JP2 IDE interface 1 CN6 USB connector JP28 PS/2 mouse port J3 32-bit PCI slots PC1 - PC3 IDE interface J6 Cache slot SL1 LED Power LED & J7 pins keylock 1/3/5/7/9 USER CONFIGURABLE SETTINGS Function Label Position » On board I/O enabled JP4 Open On board I/O disabled JP4 Closed » CMOS memory normal operation JP26 Open CMOS memory clear JP26 Closed DRAM CONFIGURATION Size Bank 0 Bank 1 8MB (2) 1M x 32 None 16MB (2) 2M x 32 None 16MB (2) 1M x 32 (2) 1M x 32 24MB (2) 2M x 32 (2) 1M x 32 32MB (2) 4M x 32 None 32MB (2) 2M x 32 (2) 2M x 32 40MB (2) 4M x 32 (2) 1M x 32 48MB (2) 4M x 32 (2) 2M x 32 64MB (2) 8M x 32 None 64MB (2) 4M x 32 (2) 4M x 32 72MB (2) 8M x 32 (2) 1M x 32 80MB (2) 8M x 32 (2) 2M x 32 96MB (2) 8M x 32 (2) 4M x 32 128MB (2) 8M x 32 (2) 8M x 32 128MB (2) 16M x 32 None 136MB (2) 16M x 32 (2) 1M x 32 144MB (2) 16M x 32 (2) 2M x 32 160MB (2) 16M x 32 (2) 4M x 32 192MB (2) 16M x 32 (2) 8M x 32 256MB (2) 16M x 32 (2) 16M x 32 Note: Board accepts EDO memory. Banks are interchangeable. DRAM REFRESH RATE CONFIGURATION Setting DS/1 60MHz On » 66MHz Off CACHE CONFIGURATION Size Bank 0 SL1 TAG 256KB (2) 32K x 32 Not installed (1) 32K x 8 512KB (2) 32K x 32 256KB module (1) 32K x 8 installed CACHE JUMPER CONFIGURATION Size JP5 JP6 JP20 256KB Open Open Open 512KB Closed Closed Closed CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier DS/2 DS/3 DS/4 DS/5 DS/6 speed speed 120MHz 50MHz 2x Off On On On Off 133MHz 55MHz 2x On Off Off On Off 150MHz 60MHz 2x On On Off On Off 166MHz 66MHz 2x On Off On On Off CPU SPEED SELECTION (AMD) CPU CPU Clock Multiplier DS/2 DS/3 DS/4 DS/5 DS/6 speed type speed 75MHz SSA/5 50MHz 1.5x Off On On Off Off 75MHz SSA/5 66MHz 1x On Off On On Off 90MHz SSA/5 55MHz 1.5x On Off Off Off Off 90MHz SSA/5 60MHz 1.5x On On Off Off Off 100MHz SSA/5 66MHz 1.5x On Off On Off Off 100MHz K5 55MHz 1.5x On Off Off Off Off 100MHz K5 50MHz 1.5x Off On On Off Off 120MHz K5 60MHz 1.5x On On Off Off Off 133MHz K5 66MHz 1.5x On Off On Off Off 150MHz K5 60MHz 2x On On Off On Off 166MHz K5 66MHz 2x On Off On On Off CPU SPEED SELECTION (INTEL) CPU Clock Multiplier DS/2 DS/3 DS/4 DS/5 DS/6 speed speed 75MHz 50MHz 1.5x Off On On Off Off 90MHz 60MHz 1.5x On On Off Off Off 100MHz 66MHz 1.5x On Off On Off Off 120MHz 60MHz 2x On On Off On Off 133MHz 66MHz 2x On Off On On Off 150MHz 60MHz 2.5x On On Off On On 166MHz 66MHz 2.5x On Off On On On 180MHz 60MHz 3x On On Off Off On 200MHz 66MHz 3x On Off On Off On CPU VOLTAGE SELECTION Voltage JP22 JP23 » 3.38v (STD/VR) Open Pins 3 & 6 closed 3.52v (VRE) Pins 1 - 4 closed Pins 1 & 4 closed