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Asus P8H61 PRO User Manual - Page 40

Onboard LEDs

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1.12 Onboard LEDs 1. Standby Power LED The motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mode, or in soft-off mode. This is a reminder that you should shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. P8H61 PRO SB_PWR ON OFF Standby Power Powered Off P8H61 PRO Onboard LED 2. DRAM LED DRAM LED checks the DRAM in sequence during motherboard booting process. If an error is found , the LED next to the error device will continue lighting until the problem is solved. This user-friendly design provides an intuitional way to locate the root problem within a second. DRAM LED P8H61 PRO P8H61 PRO DRAM LED 3. Turbo Key II LED The Turbo Key II LED lights when the Turbo Key II switch is turned to Enable. O2LED2 P8H61 PRO P8H61 PRO Turbo Key II LED 1-28 Chapter 1: Product introduction

Section	Page
Notices	6
Safety information	7
About this guide	7
P8H61 PRO 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	17
1.5 Motherboard overview	18
1.5.1 Placement direction	18
1.5.2 Screw holes	18
1.5.3 Motherboard layout	19
1.5.4 Layout contents	19
1.6 Central Processing Unit (CPU)	20
1.6.1 Installing the CPU	20
1.6.2 Installing the CPU heatsink and fan	23
1.6.3 Uninstalling the CPU heatsink and fan	24
1.7 System memory	25
1.7.1 Overview	25
1.7.2 Memory configurations	26
1.7.3 Installing a DIMM	28
1.7.4 Removing a DIMM	28
1.8 Expansion slots	29
1.8.1 Installing an expansion card	29
1.8.2 Configuring an expansion card	29
1.8.3 PCI slots	29
1.8.4 PCI Express x1 slots	29
1.8.5 PCI Express x16 slot	29
1.9 Jumpers	30
1.10 Connectors	31
1.10.1 Rear panel connectors	31
1.10.2 Internal connectors	33
1.11 Onboard switches	38
1.12 Onboard LEDs	40
1.13 Software support	41
1.13.1 Installing an operating system	41
1.13.2 Support DVD information	41
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 Ai Overclock Tuner [Auto]	55
2.4.2 Memory Frequency [Auto]	56
2.4.3 EPU Power Saving Mode [Disabled]	56
2.4.4 OC Tuner	56
2.4.5 DRAM Timing Control	56
2.4.6 CPU Power Management	56
2.4.7 CPU Offset Mode Sign [+]	57
2.4.8 DRAM Voltage [Auto]	58
2.4.9 VCCIO Voltage [Auto]	58
2.4.10 CPU PLL Voltage [Auto]	58
2.4.11 PCH Voltage [Auto]	58
2.4.12 Load-Line Calibration [Auto]	58
2.4.13 CPU Spread Spectrum [Auto]	58
2.5 Advanced menu	59
2.5.1 CPU Configuration	59
2.5.2 System Agent Configuration	60
2.5.3 PCH Configuration	61
2.5.4 SATA Configuration	61
2.5.5 USB Configuration	62
2.5.6 Onboard Devices Configuration	62
2.5.7 APM	64
2.6 Monitor menu	65
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	65
2.6.2 CPU / Chassis Fan 1/2 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	67
2.6.6 Anti Surge Support [Enabled]	67
2.7 Boot menu	68
2.7.1 Bootup NumLock State [On]	68
2.7.2 Full Screen Logo [Enabled]	68
2.7.3 Option ROM Messages [Force BIOS]	69
2.7.4 Setup Mode [EZ Mode]	69
2.7.5 Boot Option Priorities	69
2.7.6 Boot Override	69
2.8 Tools menu	70
2.8.1 ASUS EZ Flash 2 Utility	70
2.8.2 ASUS SPD Information	70
2.8.3 ASUS O.C. Profile	70