fan Connector (FAN_CPU) 18 Memory Connector(DIMM1) 19 Memory Connector(DIMM2) 20 Power Switch Connector (PWRSW1) 8 DELL™ OPTIPLEX™ 3010 TECHNICAL GUIDEBOOK — VER 1.3 MARKETING SYSTEM CONFIGURATIONS N O T E : O ff e r i n g s m a y v a r y b y c o u n t r y ....