Main Board Layout (Aspire 3300S

Component Function ATX Power Supply/JPW1 ATX power connectors JKBMS1 Mouse/keyboard connector USB Connectors Connecting to USB devices COM A & COM B Serial port connector VGA DB 15-pin Connecting to VGA monitor LAN Jack (optional) Connecting to LAN devices LPT1 Parallel port connector FDD1 Floppy disk drive connector J8 Chassis intrusion switch connector

Component Function

IDE 1~IDE 2 Hard disk connector JCD1/JAUX1/JMD1 CD/AUX/Modem-in connectors CPUFA/SYSFA Fan power connectors JFP1/JFP2 Front panel connectors JAUD Front panel audio connector JUSB1/JUSB2 USB front connector JIR1 IrDA infrared module connector JBAT1 Clear CMOS jumper AGP Slot Connecting to AGP cards PCI Slot Connecting to expansion cards CNR Slot Connecting to expansion cards