Asus Z8PE-D12 - Manual (Page 47)

ASUS Z8PE-D12 Series 2-27
5. IDE control setting (3-pin IDE_SW1)
This jumper allows you to enable or disable the IDE connector. Set to pins
1–2 to enable the IDE connector or pins 2–3 disable the IDE connector.
4. LAN controller setting (3-pin LAN_SW1, LAN_SW2)
These jumpers allow you to enable or disable the onboard Intel ® Intel
82574LGigabit LAN controllers. Set to pins 1-2 to activate the Gigabit LAN
feature.