QDI COMPUTER, INC. QDI-437FX-250 Processor CX M1/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set Intel Video Chip Set None Maximum Onboard 128MB Memory Maximum Video None Memory Cache 256KB BIOS Award Dimensions 250mm x 220mm 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), IR connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 CN1 Turbo LED J3 Serial port 1 CN2 Reset switch J4 Parallel port CN3 IDE interface LED J5 Floppy drive interface CN4 IR connector J6 IDE interface 2 CN5 PS/2 mouse interface J7 IDE interface 1 CN6 Green PC connector J8 Power LED & keylock J1 32-bit PCI slots PC1 - PC4 Speaker J2 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP1 Pins 1 & 2 closed CMOS memory clear JP1 Pins 2 & 3 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) 16M x 36 None 128MB (2) 8M x 36 (2) 8M x 36 CACHE CONFIGURATION Note: 256KB cache is factory installed and is not configurable. The location is unidentified. CPU SPEED SELECTION (CYRIX) CPU Clock Multiplier JC1 JC2 JC3 JS1 JS2 speed speed 100MHz 50MHz 2x Closed Closed 1 & 2 & 1 & 2 3 2 120MHz 60MHz 2x Closed Open 2 & 2 & 1 & 3 3 2 Note: Pins designated should be in the closed position. CPU SPEED SELECTION (INTEL) CPU Clock Multiplier JC1 JC2 JC3 JS1 JS2 speed speed 75MHz 50MHz 1.5x Closed Closed 1 & 2 & 2 & 2 3 3 90MHz 60MHz 1.5x Closed Open 2 & 2 & 2 & 3 3 3 100MHz 66MHz 1.5x Open Closed 2 & 2 & 2 & 3 3 3 120MHz 60MHz 2x Closed Open 2 & 2 & 1 & 3 3 2 133MHz 66MHz 2x Open Closed 2 & 2 & 1 & 3 3 2 150MHz 60MHz 2.5x Closed Open 2 & 1 & 1 & 3 2 2 166MHz 66MHz 2.5x Open Closed 2 & 1 & 1 & 3 2 2 180MHz 60MHz 3x Closed Open 2 & 1 & 2 & 3 2 3 200MHz 66MHz 3x Open Closed 2 & 1 & 2 & 3 2 3 Note: Pins designated should be in the closed position. JC3 sets AT bus clock. Pins 1 & 2 are for PCICLK/3 & pins 2 & 3 are for PCICLK/4. CPU TYPE SELECTION Type JV1 JV2 P54C/P54CTB Closed Closed P55C Open Open DMA CHANNEL SELECTION Channel JP7 JP8 0 Pins 1 & 2 closed Pins 1 & 2 closed 1 Pins 3 & 4 closed Pins 3 & 4 closed 3 Pins 5 & 6 closed Pins 5 & 6 closed