AMPTRON INTERNATIONAL, INC. PM-7400 Processor CX M1/AM K5/Pentium Processor Speed 75/90/100/120/133/150/166/180/200MHz Chip Set OPTI Video Chip Set None Maximum Onboard 256MB (EDO supported) Memory Maximum Video None Memory Cache 256/512KB BIOS Award Dimensions 260mm x 220mm I/O Options 32-bit PCI slots (3), floppy drive interface, EIDE interfaces (2), parallel port, serial ports (2), cache slot, VRM connector NPU Options None [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Speaker J5C Serial port 2 CN2 Reset switch J5D Parallel port CN3 IDE interface LED J5E Floppy drive interface CN4 Turbo switch J5F EIDE interface 2 CN5 Turbo LED J5G EIDE interface 1 CN6 32-bit PCI slots PC1 - PC3 External battery J5A Cache slot SL1 Power LED & keylock J5B VRM connector VRM USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation J5A Pins 2 & 3 closed CMOS memory clear J5A Pins 3 & 4 closed Battery type select external J5A Closed » Flash BIOS voltage select EPROM JP1 Open Flash BIOS voltage select 12v JP1 Pins 1 & 2 closed Flash BIOS voltage select 5v 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) 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 SL1 256KB 256KB module installed 512KB 512KB module installed CPU SPEED SELECTION (CYRIX, CYXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 100MHz 66MHz 2x Closed Closed Open Closed 120MHz 60MHz 2x Open Closed Open Closed CPU SPEED SELECTION (AMD, CYXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 100MHz 66MHz 1.5x Closed Open Open Open CPU SPEED SELECTION (INTEL, CYXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 75MHz 50MHz 1.5x Closed Closed Open Open 90MHz 60MHz 1.5x Open Closed Open Open 100MHz 66MHz 1.5x Closed Open Open Open 120MHz 60MHz 2x Open Closed Open Closed 133MHz 66MHz 2x Closed Open Open Closed 150MHz 60MHz 2.5x Open Closed Closed Closed 166MHz 66MHz 2.5x Closed Open Closed Closed 180MHz 60MHz 3x Open Closed Closed Open 200MHz 66MHz 3x Closed Open Closed Open CPU SPEED SELECTION (CYRIX, WXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 100MHz 66MHz 2x Closed Closed Open Closed 120MHz 60MHz 2x Closed Open Open Closed CPU SPEED SELECTION (AMD, WXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 100MHz 66MHz 1.5x Open Closed Open Open CPU SPEED SELECTION (INTEL, WXXXX CLOCK) CPU Clock Multiplier JP3A JP3B JP4A JP4B speed speed 75MHz 50MHz 1.5x Closed Closed Open Open 90MHz 60MHz 1.5x Closed Open Open Open 100MHz 66MHz 1.5x Open Closed Open Open 120MHz 60MHz 2x Closed Open Open Closed 133MHz 66MHz 2x Open Closed Open Closed 150MHz 60MHz 2.5x Closed Open Closed Closed 166MHz 66MHz 2.5x Open Closed Closed Closed 180MHz 60MHz 3x Closed Open Closed Open 200MHz 66MHz 3x Open Closed Closed Open CPU VOLTAGE SELECTION Voltage JP2 3.3v Pins 2 & 3 closed » 3.5v Pins 1 & 2 closed