Lenovo 10140/90AC Maintenance Manual page 28

Rear view of the chassis
1. Power connector
2. HDMI connector
3. USB 2.0 connectors
4. On-board VGA connector
5. USB 3.0 connectors
22
Lenovo Erazer X510Hardware Maintenance Manual
6. USB 2.0 connectors
7. Ethernet connector
8. Audio connectors
9. PCI Express X 16 graphics adapter slot (some models
are equipped with a graphics card)
10. PCI Express X 1 adapter slots (some models are
equipped with a WIFI card or TV tuner card)