Lenovo H430 Hardware Replacement Manual page 15

On-board VGA connector (Selected models only)
USB connectors (4)
Ethernet connector
Microphone connector
Audio line-out connector
Audio line-in connector
PCI Express X 16 graphics adapter connector (Some models are equipped
with a graphic card)
PCI Express X 1 adapter connector (Some models are equipped with a WIFI
card or TV tuner card)
Lenovo H420
Voltage selection switch (Selected models only)
Power connector
PS/2 keyboard connector
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Hardware Replacement Guide