Gigabyte GA-Z77X-UP4 TH User Manual page 55

& OnBoard USB3.0 Controller#1 (VIA VL800 USB Controller, USB 3.0/2.0 ports on the
back panel)
Enables or disables the VIA VL800 USB controller. (Default: Enabled)
& OnBoard LAN Controller#1
Enables or disables the onboard 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.
` Intel(R) Thunnderbolt
& Wake From Thunderbolt Devices
Allows the system to be turned on by wake-up event from Thunderbolt device(s). (Default: Enabled)
Note: To use this function, you need an ATX power supply providing at least 1A on the +5VSB lead.
& Reserved IO for Thunderbolt
Specifies how many I/O resources are to be reserved for Thunderbolt devices. Options are: 4K~48K.
(Default: 20K)
When set to 20K, each Thunderbolt port can be daisy chain around 3 Thunderbolt devices. The greater
size allows more Thunderbolt devices can be used. Each Thunderbolt port support up to 6 devices
Due to PC architecture I/O resources limitation, when set to 48K, the SATA ports controlled by the Marvell
SE9172 controller will be disabled.
` Super IO Configuration
This section provides information on the super I/O chip and allows you to configure the serial port.
& Serial Port A
Enables or disables the onboard serial port. (Default: Enabled)
` Intel(R) Smart Connect Technology
& ISCT Configuration
Enables or disables Intel Smart Connect Technology. (Default: Disabled)
(Note) Due to PC architecture I/O resources limitation, the amount of the Thunderbolt devices can be used
is dependent on the quantity of PCI Express and PCI devices be installed. If a PCI Express graphics
card is installed, it is recommended that set Reserved IO for Thunderbolt to 40K or less.
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(Note)
BIOS Setup