COMPULINK RESEARCH, INC. PT5-AX Processor 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 Unidentified Dimensions 305mm x 244mm I/O Options 32-bit PCI slots (4), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), cache slot, IR connector, ATX power connector, extended PCI slot NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location ATX power connector ATX IDE interface 1 CN7 Serial port CN1 Chassis fan power FAN Parallel port CN2 Front panel connector FPC PS/2 mouse port CN3 IR connector IR1 Serial port CN4 32-bit PCI slots PC1 – PC4 Floppy drive interface CN5 Extended PCI slot SL1 IDE interface 2 CN6 Cache slot SL2 USER CONFIGURABLE SETTINGS Function Label Position » On board I/O enabled JP16 Pins 1 & 2 closed On board I/O disabled JP16 Pins 2 & 3 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) 2M x 36 (2) 1M x 36 32MB (2) 4M x 36 None 32MB (2) 2M x 36 (2) 2M x 36 40MB (2) 4M x 36 (2) 1M 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) 8M x 36 (2) 1M x 36 80MB (2) 8M x 36 (2) 2M 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 136MB (2) 16M x 36 (2) 1M x 36 144MB (2) 16M x 36 (2) 2M x 36 160MB (2) 16M x 36 (2) 4M 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. CACHE CONFIGURATION Size Bank 0 SL2 256KB (2) 32K x 32 Not installed 512KB (4) 32K x 8 256KB module installed Note: Bank 0 is factory installed and is not configurable. The location is unidentified. CACHE JUMPER CONFIGURATION Size JP1 256KB Pins 1 & 2 closed 512KB Pins 2 & 3 closed CPU SPEED SELECTION CPU Clock Multiplier JP12 JP13 JP17 JP18 speed speed 75MHz 50MHz 1.5x Open Open 2 & 3 2 & 3 90MHz 60MHz 1.5x Open Open 1 & 2 2 & 3 100MHz 66MHz 1.5x Open Open 2 & 3 1 & 2 120MHz 60MHz 2x Open Closed 1 & 2 2 & 3 133MHz 66MHz 2x Open Closed 2 & 3 1 & 2 150MHz 60MHz 2.5x Closed Closed 1 & 2 2 & 3 166MHz 66MHz 2.5x Closed Closed 2 & 3 1 & 2 180MHz 60MHz 3x Closed Open 1 & 2 2 & 3 200MHz 66MHz 3x Closed Open 2 & 3 1 & 2 Note: Pins designated should be in the closed position. CPU VOLTAGE SELECTION Voltage JP4 » 3.3v – 3.465v Pins 2 & 3 closed 3.4v – 3.6v Pins 1 & 2 closed DMA CHANNEL SELECTION Channel JP22 JP23 1 Pins 2 & 3 closed Pins 2 & 3 closed » 3 Pins 1 & 2 closed Pins 1 & 2 closed SERIAL PORT 2 SELECTION Setting JP14 JP15 » Used as COM2 Pins 1 & 2 closed Pins 1 & 2 closed Used as IR connector Pins 2 & 3 closed Pins 2 & 3 closed