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C.P.R. CPU Parameter Recall, ErP ready

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C.P.R. (CPU Parameter Recall) The BIOS C.P.R. feature automatically restores the CPU default settings when the system hangs due to overclocking failure. C.P.R. eliminates the need to open the system chassis and clear the RTC data. Simply shut down and reboot the system, and the BIOS automatically restores the CPU parameters to their default settings. ErP ready The motherboard is European Union´s Energy-related Products (ErP) ready, and ErP requires products to meet certain energy efficiency requirements in regards to energy consumptions. This is in line with ASUS vision of creating environment-friendly and energyefficient products through product design and innovation to reduce carbon footprint of the product and thus mitigate environmental impacts. ASUS F1A55-M LX3 R2.0 Series 1-3

Section	Page
Safety information	6
About this guide	6
F1A55-M LX3 R2.0 Series specifications summary	8
Package contents	10
Chapter 1: Product introduction	11
1.1 Special features	11
1.1.1 Product highlights	11
1.1.2 ASUS Hybrid DIGI+ VRM	11
1.1.3 ASUS Exclusive Features	12
1.2 Before you proceed	14
1.3 Motherboard overview	15
1.3.1 Placement direction	15
1.3.2 Screw holes	15
1.3.3 Motherboard layout	16
1.3.4 Layout contents	17
1.4 Accelerated Processing Unit (APU)	17
1.4.1 APU installation	18
1.4.2 APU heatsink and fan assembly installation	19
1.5 System memory	21
1.5.1 Overview	21
1.5.2 Memory configurations	22
1.5.3 Installing a DIMM	27
1.6 Expansion slots	28
1.6.1 Installing an expansion card	28
1.6.2 Configuring an expansion card	28
1.6.3 PCI slot	28
1.6.4 PCI Express x1 slot	28
1.6.5 PCI Express x16 slot	28
1.7 Jumpers	29
1.8 Connectors	31
1.8.1 Rear panel ports	31
1.8.2 Internal connectors	32
1.9 Software support	38
1.9.1 Installing an operating system	38
1.9.2 Support DVD information	38
Chapter 2: BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2	40
2.1.3 ASUS CrashFree BIOS 3 utility	41
2.1.4 ASUS BIOS Updater	42
2.2 BIOS setup program	44
2.3 Main menu	48
2.3.1 System Language [English]	48
2.3.2 System Date [Day xx/xx/xxxx]	48
2.3.3 System Time [xx:xx:xx]	48
2.3.4 Security	48
2.4 Ai Tweaker menu	50
2.4.1 Ai Overclock Tuner [Auto]	51
2.4.2 Memory Frequency [Auto]	51
2.4.3 APU Multiplier [Auto]	51
2.4.4 EPU Power Saving Mode [Disabled]	51
2.4.5 DRAM Timing Control	52
2.4.6 Hybrid DIGI+ VRM	52
2.4.7 CPU Voltage [Offset Mode]	53
2.4.8 VDDNB Offset Mode Sign [+]	53
2.4.9 DRAM Voltage [Auto]	53
2.4.10 APU Spread Spectrum [Auto]	53
2.5 Advanced menu	54
2.5.1 CPU Configuration	54
2.5.2 SATA Configuration	55
2.5.3 USB Configuration	56
2.5.4 NB Configuration	56
2.5.5 Onboard Devices Configuration	56
2.5.6 APM	57
2.5.7 Network Stack	58
2.6 Monitor menu	59
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	59
2.6.2 CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A]	59
2.6.3 CPU Q-Fan Control [Enabled]	59
2.6.4 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	60
2.6.5 Anti Surge Support [Enabled]	60
2.7 Boot menu	61
2.7.1 Bootup NumLock State [On]	61
2.7.2 Full Screen Logo [Enabled]	61
2.7.3 Wait for ‘F1’ If Error [Enabled]	61
2.7.4 Option ROM Messages [Force BIOS]	62
2.7.5 Setup Mode [EZ Mode]	62
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	62
2.7.7 PCI ROM Priority [Legacy ROM]	62
2.7.8 Boot Option Priorities	62
2.7.9 Boot Override	62
2.8 Tools menu	63
2.8.1 ASUS EZ Flash 2 Utility	63
2.8.2 ASUS O.C. Profile	63
2.8.3 ASUS SPD Information	63
2.9 Exit menu	64
Appendices	65
Notices	65

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C.P.R. (CPU Parameter Recall)

The BIOS C.P.R. feature automatically restores the CPU default settings when the system

hangs due to overclocking failure. C.P.R. eliminates the need to open the system chassis and

clear the RTC data. Simply shut down and reboot the system, and the BIOS automatically

restores the CPU parameters to their default settings.

ErP ready

The motherboard is European Union´s Energy-related Products (ErP) ready, and ErP

requires products to meet certain energy efﬁciency requirements in regards to energy

consumptions. This is in line with ASUS vision of creating environment-friendly and energy-

efﬁcient products through product design and innovation to reduce carbon footprint of the

product and thus mitigate environmental impacts.

ASUS F1A55-M LX3 R2.0 Series

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