Gigabyte GA-Z77X-UP5 TH rev. 1.0 User Manual page 59

Audio Controller
Enables or disables the onboard audio function. (Default: Enabled)
If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to
Disabled.
PCH LAN Controller (Intel GbE LAN Chip, LAN2)
Enables or disables the Intel GbE LAN function. (Default: Enabled)
If you wish to install a 3rd party add-in network card instead of using the onboard LAN, set this item to
Disabled.
Init Display First
card or the onboard graphics.
Internal Graphics
Enables or disables the onboard graphics function. (Default: Auto)
Internal Graphics Memory Size
Allows you to set the onboard graphics memory size. Options are: 32M~1024M. (Default: 64M)
Allows you to allocate the DVMT memory size of the onboard graphics. Options are: 128M, 256M, MAX.
(Default: MAX)
Intel(R) Rapid Start Technology
(Default: Disabled)
Legacy USB Support
Allows USB keyboard/mouse to be used in MS-DOS. (Default: Enabled)
Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off
support. (Default: Enabled)
EHCI Hand-off
Determines whether to enable EHCI Hand-off feature for an operating system without EHCI Hand-off
support. (Default: Disabled)
Port 60/64 Emulation
Enables or disables emulation of I/O ports 64h and 60h. This should be enabled for full legacy support
for USB keyboards/mice in MS-DOS or in operating system that does not natively support USB devices.
(Default: Disabled)
USB Storage Devices
Displays a list of connected USB mass storage devices. This item appears only when a USB storage
device is installed.
Trusted Computing
TPM SUPPORT
Enables or disables Trusted Platform Module (TPM). Set this item to Enable when a TPM device is installed.
(Default: Disable)
BIOS Setup - 58 -