Lenovo 30221CU - H230 CORE2DUO 500GB Desktop Hardware Replacement Manual page 10

Microprocessor and heat sink
Microprocessor fan connector
Memory connectors(2)
Memory connectors(2)
Thermal sensor header connector
Power connector
Power fan connector
SATA IDE connectors(4)
E-SATA connector
Front panel connector
Front USB connectors(2)
Serial (com2) connector
Front audio connector
PCI adapter connector
PCI Express x1 adapter connectors(2)

Hardware Replacement Guide
31039394_3000 H_HRG_EN_V2.0.indd7 7 2009.7.14 4:15:36 PM