Lenovo 3000 H305 Desktop - Manual (Page 29)

Chapter 7. Locations
27
HDMI connector
USB connectors (4)
Ethernet connector
Microphone connector
Audio line-out connector
Audio line-in connector
PCI Express x1 adapter connector
PCI Express x16 graphics adpter connector
9
8
10
11
12
13
3
1
2
4
5
6
7
Voltage selection switch (Some models are equipped with this switch)
Power connector
PS/2 keyboard connector
PS/2 mouse connector
HDMI connector
On-board VGA connector
USB connectors (4)
Ethernet connector