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Asus P8P67 REV3.0 User Manual - Page 72

USB Conﬁguration

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2.5.5 USB Configuration 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] [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] [Enabled] Enables the support for USB 3.0 devices on legacy operating systems (OS). [Disabled] Disables the function. XHCI Hand-off [Enabled] This item appears only when you set the Legacy USB3.0 Support item to [Enabled]. [Enabled] Enables the support for operating systems without an XHCI hand‑off feature. [Disabled] Disables the function. EHCI Hand-off [Disabled] [Enabled] Enables the support for operating systems without an EHCI hand‑off feature. [Disabled] Disables the function. 2-20 ASUS P8P67 LE

Section	Page
Notices	6
Safety information	7
About this guide	7
P8P67 LE specifications summary	9
Chapter 1	13
Product introduction	13
1.1 Welcome!	13
1.2 Package contents	13
1.3 Special features	13
1.3.1 Product highlights	13
1.3.2 Innovative ASUS features	15
1.4 Before you proceed	18
1.5 Motherboard overview	19
1.5.1 Placement direction	19
1.5.2 Screw holes	19
1.5.3 Motherboard layout	20
1.5.4 Layout contents	21
1.6 Central Processing Unit (CPU)	22
1.6.1 Installing the CPU	22
1.6.2 Installing the CPU heatsink and fan	25
1.6.3 Uninstalling the CPU heatsink and fan	26
1.7 System memory	27
1.7.1 Overview	27
1.7.2 Memory configurations	28
1.7.3 Installing a DIMM	34
1.7.4 Removing a DIMM	34
1.8 Expansion slots	35
1.8.1 Installing an expansion card	35
1.8.2 Configuring an expansion card	35
1.8.3 PCI slots	35
1.8.4 PCI Express x1 slots	35
1.8.5 PCI Express x16 slots	35
1.9 Jumpers	37
1.10 Connectors	38
1.10.1 Rear panel connectors	38
1.10.2 Internal connectors	40
1.11 Onboard switches	48
1.12 Onboard LEDs	50
1.13 Software support	51
1.13.1 Installing an operating system	51
1.13.2 Support DVD information	51
Chapter 2	53
BIOS information	53
2.1 Managing and updating your BIOS	53
2.1.1 ASUS Update utility	53
2.1.2 ASUS EZ Flash 2	54
2.1.3 ASUS CrashFree BIOS 3 utility	55
2.1.4 ASUS BIOS Updater	56
2.2 BIOS setup program	59
2.3 Main menu	63
2.3.1 System Language	63
2.3.2 System Date	63
2.3.3 System Time	63
2.3.4 Security	63
2.4 Ai Tweaker menu	65
2.4.1 Ai Overclock Tuner	65
2.4.2 Memory Frequency	66
2.4.3 EPU Power Saving Mode	66
2.4.4 OC Tuner	66
2.4.5 DRAM Timing Control	66
2.4.6 CPU Power Management	66
2.4.7 Offset Mode Sign	68
2.4.8 DRAM Voltage	68
2.4.9 VCCIO Voltage	68
2.4.10 PCH Voltage	68
2.4.11 Load-Line Calibration	68
2.4.12 CPU Spread Spectrum	68
2.5 Advanced menu	69
2.5.1 CPU Configuration	69
2.5.2 System Agent Configuration	71
2.5.3 PCH Configuration	71
2.5.4 SATA Configuration	71
2.5.5 USB Configuration	72
2.5.6 Onboard Devices Configuration	73
2.5.7 APM	75
2.6 Monitor menu	76
2.6.1 CPU Temperature / MB Temperature	76
2.6.2 CPU Fan / Chassis Fan 1/2 / Power Fan Speed	76
2.6.3 CPU Q-Fan Control	77
2.6.4 Chassis Q-Fan Control	77
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	78
2.6.6 Anti Surge Support	78
2.7 Boot menu	79
2.7.1 Bootup NumLock State	79
2.7.2 Full Screen Logo	79
2.7.3 Option ROM Messages	79
2.7.4 Setup Mode	79
2.7.5 Boot Option Priorities	80
2.7.6 Boot Override	80
2.8 Tools menu	81
2.8.1 ASUS EZ Flash 2	81
2.8.2 ASUS O.C. Profile	81