Asus P8H77-I P8H77-I User's Manual - Page 62

Chapter 2: BIOS information

2-20

The

USB Devices

item shows the auto-detected values. If no USB device is detected, the

item shows

None

.

Legacy USB Support [Enabled]

[Enabled]

Enables the support for USB devices on legacy operating systems (OS).

[Disabled]

The USB devices can be used only for the BIOS setup program.

[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]

This item appears only when you set the previous item to [Enabled] or [Auto].

[Enabled]

Enables the support for USB 3.0 devices on legacy operating systems

(OS).

[Disabled]

Disables the function.

Intel xHCI Mode [Smart Auto]

Allows you to select an operation mode for the Intel xHCI controller. Configuration options:

[Smart Auto] [Auto] [Enabled] [Disabled]

EHCI Hand-off [Disabled]

[Enabled]

Enables the support for operating systems without an EHCI hand-off

feature.

[Disabled]

Disables the function.

2.5.6

Onboard Devices Configuration

HD Audio Controller [Enabled]

[Enabled]

Enables the High Definition Audio Controller.

[Disabled]

Disables the controller.

The following two items appear only when you set the

HD Audio Controller

item to

[Enabled].

Front Panel Type [HD]

Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-

definition audio depending on the audio standard that the front panel audio module supports.

[HD]

Sets the front panel audio connector (AAFP) mode to high definition audio.

[AC97]

Sets the front panel audio connector (AAFP) mode to legacy AC’97

Realtek LAN Controller [Enabled]

[Enabled]

Enables the Realtek LAN controller.

[Disabled]

Disables the controller.

2.5.5

USB Configuration

The items in this menu allow you to change the USB-related features.

Section	Page
Safety information	6
About this guide	7
P8H77-I specifications summary	9
Chapter 1	11
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	16
1.5 Motherboard overview	17
1.5.1 Placement direction	17
1.5.2 Screw holes	17
1.5.3 Motherboard layout	18
1.5.4 Layout contents	18
1.6 Central Processing Unit (CPU)	19
1.6.1 Installing the CPU	19
1.6.2 Installing the CPU heatsink and fan	22
1.6.3 Uninstalling the CPU heatsink and fan	23
1.7 System memory	24
1.7.1 Overview	24
1.7.2 Memory configurations	25
1.7.3 Installing a DIMM	31
1.7.4 Removing a DIMM	31
1.8 Expansion slots	32
1.8.1 Installing an expansion card	32
1.8.2 Configuring an expansion card	32
1.8.3 PCI Express x16 slots	32
1.9 Jumpers	33
1.10 Connectors	34
1.10.1 Rear panel connectors	34
1.10.2 Internal connectors	36
1.11 Software support	42
1.11.1 Installing an operating system	42
1.11.2 Support DVD information	42
Chapter 2	43
BIOS information	43
2.1 Managing and updating your BIOS	43
2.1.1 ASUS Update utility	43
2.1.2 ASUS EZ Flash 2	44
2.1.3 ASUS CrashFree BIOS 3 utility	45
2.1.4 ASUS BIOS Updater	46
2.2 BIOS setup program	49
2.3 Main menu	53
2.3.1 System Language [English]	53
2.3.2 System Date [Day xx/xx/xxxx]	53
2.3.3 System Time [xx:xx:xx]	53
2.3.4 Security	53
2.4 Ai Tweaker menu	55
2.4.1 Memory Frequency [Auto]	56
2.4.2 iGPU Max. Frequency [xxx]	56
2.4.3 GPU Boost [OK]	56
2.4.4 DRAM Timing Control	56
2.4.5 CPU Power Management	56
2.4.6 CPU Voltage [Auto]	57
2.4.7 iGPU Offset Voltage [Auto]	57
2.4.8 DRAM Voltage [Auto]	57
2.4.9 VCCSA Voltage [Auto]	58
2.4.10 PCH Voltage [Auto]	58
2.5 Advanced menu	58
2.5.1 CPU Configuration	59
2.5.2 PCH Configuration	60
2.5.3 SATA Configuration	60
2.5.4 System Agent Configuration	61
2.5.5 USB Configuration	62
2.5.6 Onboard Devices Configuration	62
2.5.7 APM	63
2.5.8 Network Stack	63
2.6 Monitor menu	64
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	65
2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]	65
2.6.3 CPU Q-Fan Control [Enabled]	65
2.6.4 Chassis Q-Fan Control [Enabled]	66
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	66
2.6.6 Anti Surge Support [Enabled]	66
2.7 Boot menu	67
2.7.1 Bootup NumLock State [On]	67
2.7.2 Full Screen Logo [Enabled]	67
2.7.3 Wait for ‘F1’ If Error [Enabled]	67
2.7.4 Option ROM Messages [Force BIOS]	68
2.7.5 Setup Mode [EZ Mode]	68
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	68
2.7.7 Boot Option Priorities	68
2.7.8 Boot Override	68
2.8 Tools menu	69
2.8.1 ASUS EZ Flash 2 Utility	69
2.8.2 ASUS O.C. Profile	69
2.8.3 ASUS SPD Information	69

Asus P8H77-I P8H77-I User's Manual - Page 62

Onboard Devices Conﬁguration, USB Conﬁguration

Page 62 highlights