Lenovo H430 Hardware Replacement Manual page 21

Thermal sensor header connector
Power connector
SATA IDE connectors (4)
Front panel connector
Front USB connectors (2)
Clear CMOS
Front audio connector
PCI adapter connector
PCI Express X 1 adapter connectors (2)
PCI Express X 16 adapter connector
System fan connector
12V power connector
Lenovo H420
Microprocessor and heat sink
16
Hardware Replacement Guide