Asus Z87-PRO - Manual (Page 120)

3-38 Chapter 3: BIOS setup
Chapter 3
3.6.9 Network Stack
Network Stack [Disable]
This item allows user to disable or enable the UEFI network stack.
Configuration options: [Disable] [�nable]
The following item appears only when you set the Network Stack to [Enabled].
Ipv4/Ipv6 PXE Support [Enabled]
Allows you to enable or disable the Ipv4/Ipv6 PXE boot option.
Configuration options: [Disabled] [�nabled]