A-TREND TECHNOLOGY CORPORATION ATC-6120 (VER. 1.00) Device Type Mainboard Processor Pentium II Processor Speed 233/266/300MHz Chip Set Intel 440LX Maximum Onboard Memory 768MB (EDO & SDRAM supported) Cache 256/512KB (located on the Pentium II CPU) BIOS Award Dimensions 305mm x 210mm I/O Options 32-bit PCI slots (3), floppy drive interface, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), IR connector, USB connector (2), ATX power connector, AGP slot [Image] CONNECTIONS Purpose Location Purpose Location AGP slot AGP CPU fan power FAN3 ATX power ATX Chassis fan power FAN2 connector IR connector CN1 Reset switch JP1/pins 1 & 2 IDE interface 1 CN2 Soft off power JP1/pins 4 & supply 5 IDE interface 2 CN3 Turbo LED JP1/pins 7 & 8 Parallel port CN5 IDE interface LED JP1/pins 10 & 11 Floppy drive CN4 Speaker JP1/pins 13 - interface 16 Serial port 2 CN6 Power LED & JP1/pins 19 - keylock 22 PS/2 mouse port CN7 PS on connector JP1/pins 23 & 24 USB connectors CN8 32-bit PCI slots PC1 - PC4 CPU fan power FAN1 USER CONFIGURABLE SETTINGS Function Label Position » CMOS memory normal operation JP2 Pins 1 & 2 closed CMOS memory clear JP2 Pins 2 & 3 closed » Factory configured - do not JP3 Pins 1 & 2 closed alter » Factory configured - do not JP4 Pins 2 & 3 closed alter » Factory configured - do not JP5 Unidentified alter DIMM CONFIGURATION Size Bank 0 Bank 1 Bank 2 8MB (1) 1M x 64 None None 16MB (1) 2M x 64 None None 16MB (1) 1M x 64 (1) 1M x 64 None 24MB (1) 2M x 64 (1) 1M x 64 None 24MB (1) 1M x 64 (1) 1M x 64 (1) 1M x 64 32MB (1) 4M x 64 None None 32MB (1) 2M x 64 (1) 2M x 64 None 32MB (1) 2M x 64 (1) 1M x 64 (1) 1M x 64 40MB (1) 4M x 64 (1) 1M x 64 None 48MB (1) 4M x 64 (1) 2M x 64 None 48MB (1) 2M x 64 (1) 2M x 64 (1) 2M x 64 48MB (1) 4M x 64 (1) 1M x 64 (1) 1M x 64 DIMM CONFIGURATION (CONT’) Size Bank 0 Bank 1 Bank 2 64MB (1) 8M x 64 None None 64MB (1) 4M x 64 (1) 4M x 64 None 64MB (1) 4M x 64 (1) 2M x 64 (1) 2M x 64 72MB (1) 8M x 64 (1) 1M x 64 None 80MB (1) 8M x 64 (1) 2M x 64 None 80MB (1) 8M x 64 (1) 1M x 64 (1) 1M x 64 96MB (1) 8M x 64 (1) 4M x 64 None 96MB (1) 4M x 64 (1) 4M x 64 (1) 4M x 64 96MB (1) 8M x 64 (1) 2M x 64 (1) 2M x 64 128MB (1) 16M x 64 None None 128MB (1) 8M x 64 (1) 8M x 64 None 128MB (1) 8M x 64 (1) 4M x 64 (1) 4M x 64 136MB (1) 16M x 64 (1) 1M x 64 None 144MB (1) 16M x 64 (1) 2M x 64 None 144MB (1) 16M x 64 (1) 1M x 64 (1) 1M x 64 160MB (1) 16M x 64 (1) 4M x 64 None 160MB (1) 16M x 64 (1) 2M x 64 (1) 2M x 64 192MB (1) 16M x 64 (1) 8M x 64 None 192MB (1) 8M x 64 (1) 8M x 64 (1) 8M x 64 192MB (1) 16M x 64 (1) 4M x 64 (1) 4M x 64 256MB (1) 16M x 64 (1) 16M x 64 None 256MB (1) 16M x 64 (1) 8M x 64 (1) 8M x 64 256MB (1) 32M x 64 None None 264MB (1) 32M x 64 (1) 1M x 64 (1) 1M x 64 272MB (1) 32M x 64 (1) 2M x 64 None 272MB (1) 32M x 64 (1) 1M x 64 None 288MB (1) 32M x 64 (1) 4M x 64 None 288MB (1) 32M x 64 (1) 2M x 64 (1) 2M x 64 320MB (1) 32M x 64 (1) 8M x 64 None 320MB (1) 32M x 64 (1) 4M x 64 (1) 4M x 64 384MB (1) 16M x 64 (1) 16M x 64 (1) 16M x 64 384MB (1) 32M x 64 (1) 8M x 64 (1) 8M x 64 512MB (1) 32M x 64 (1) 32M x 64 None 768MB (1) 32M x 64 (1) 32M x 64 (1) 32M x 64 Note: Board supports 768MB EDO DRAM or 384MB SDRAM. CACHE CONFIGURATION Note: The 256/512KB cache is located on the Pentium II CPU. CPU SPEED SELECTION CPU Clock Multiplier SW1/1 SW1/2 SW1/3 SW1/4 speed speed 233MHz 66MHz 3.5x On On On Off 266MHz 66MHz 4x Off Off Off Off 300MHz 66MHz 4.5x Off Off On Off