Asus P7F-X SATA - Manual (Page 41)

ASUS P7F-X Series 2-23
4. LAN controller setting (3-pin LAN_SW1, LAN_SW2)
These jumpers allow you to enable or disable the onboard Marvell ® 88E8056
Gigabit LAN controllers. Set to pins 1-2 to activate the Gigabit LAN feature.
5. SATA controller setting (3-pin RAID_EN1) (P7F-X/SATA model only)
This jumper allows you to enable or disable the onboard Marvell ® 88SE6145
SATA controller.