Asus SABERTOOTH X79 User Manual

3-22 Chapter 3: BIOS setup
Chapter 3
3.5.4 USB Conguration
The items in this menu allow you to change the USB-related features.
The USB Devices item shows the auto-detected values. If no USB device is detected, the
item shows None.
Legacy USB Support [Enabled]
[Disabled] The USB devices can be used only for the BIOS setup program.
[Enabled] Enables the support for USB devices on legacy operating systems (OS).
[Auto] Allows the system to detect the presence of USB devices at startup. If
detected, the USB controller legacy mode is enabled. If no USB device is
detected, the legacy USB support is disabled.
Legacy USB3.0 Support [Enabled]
[Disabled] Disables the function.
[Enabled] Enables the support for USB 3.0 devices on legacy operating systems
(OS).
EHCI Hand-off [Disabled]
[Disabled] Disables the function.
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.

Asus SABERTOOTH X79 Specifications

General

Non-ECC	Yes
Memory channels	Quad-channel
Memory slots type	DIMM
Number of memory slots	8
Supported memory types	DDR3-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	1066, 1333, 1600, 1866 MHz
Supported memory module capacities	1GB, 2GB, 4GB, 8GB
Processor socket	LGA 2011 (Socket R)
Processor manufacturer	Intel
Compatible processor series	Intel® Core™ i7
Maximum number of SMP processors	1
USB 2.0 connectors	4
Number of Parallel ATA connectors	0
BIOS type	UEFI
ACPI version	2.0a
BIOS memory size	64 Mbit
eSATA ports quantity	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Audio chip	Realtek ALC892
Component for	PC
Motherboard chipset	Intel X79
Audio output channels	7.1 channels
Motherboard form factor	ATX
RAID levels	0, 1, 5, 10
Supported storage drive interfaces	SATA II, SATA III
Trial software	Antivirus
Cables included	SATA
Bundled software	ASUS Update\\r ASUS Utilities
On-board graphics card	No
Parallel processing technology support	Quad-GPU CrossFireX, Quad-GPU SLI
PCI Express x16 slots	3
PCI Express slots version	3.0
Controller 2nd interface type	Marvell PCIe 9128, ASMedia ASM1061
LAN controller	Intel® 82579V
Ethernet interface type	Gigabit Ethernet

Weight and Dimensions

Depth	244 mm
Width	305 mm