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Asus P8B75-M LX PLUS P8B75-M LX PLUS User's Manual - Page 37

P8B75-M LX PLUS CPU fan connector - cpu support

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CPU FAN PWM CPU FAN IN CPU FAN PWR GND 3. CPU and chassis fan connectors (4-pin CPU_FAN, 4-pin CHA_FAN) Connect the fan cables to the fan connectors on the motherboard, ensuring that the black wire of each cable matches the ground pin of the connector. CPU_FAN P8B75-M LX PLUS P8B75-M LX PLUS CPU fan connector Do not forget to connect the fan cables to the fan connectors. Insufficient air flow inside the system may damage the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! The CPU_FAN connector supports a CPU fan of maximum 2A (24 W) fan power. Only the 4-pin CPU fan supports the ASUS Fan Xpert feature. ASUS P8B75-M LX PLUS 1-27

Section	Page
Safety information	6
About this guide	6
P8B75-M LX PLUS specifications summary	8
Product introduction	11
1.1 Special features	11
1.1.1 Product highlights	11
1.1.2 ASUS Exclusive features	12
1.2 Before you proceed	15
1.3 Motherboard overview	15
1.3.1 Placement direction	15
1.3.2 Screw holes	16
1.3.3 Motherboard layout	17
1.3.4 Layout contents	18
1.4 Central Processing Unit (CPU)	19
1.4.1 Installing the CPU	20
1.4.2 CPU heatsink and fan assembly installation	22
1.5 System memory	24
1.5.1 Overview	24
1.5.2 Memory configurations	24
1.5.3 Installing a DIMM	30
1.5.4 Removing a DIMM	30
1.6 Expansion slots	31
1.6.1 Installing an expansion card	31
1.6.2 Configuring an expansion card	31
1.6.3 PCI slot	31
1.6.4 PCI Express 2.0 x1 slots	31
1.7 Jumpers	32
1.6.5 PCI Express 3.0/2.0 x16 slots	32
1.8 Connectors	33
1.8.1 Rear panel connectors	33
1.8.2 Internal connectors	35
1.9 Onboard LEDs	42
1.10 Software support	43
1.10.1 Installing an operating system	43
1.10.2 Support DVD information	43
1.10.3 Intel® SBA support	44
BIOS information	45
2.1 Managing and updating your BIOS	45
2.1.1 ASUS Update utility	45
2.1.2 ASUS EZ Flash 2	46
2.1.3 ASUS CrashFree BIOS 3 utility	47
2.1.4 ASUS BIOS Updater	48
2.2 BIOS setup program	50
BIOS menu screen	51
2.3 Main menu	54
2.3.1 System Language [English]	54
2.3.2 System Date [Day xx/xx/xxxx]	54
2.3.3 System Time [xx:xx:xx]	54
2.3.4 Security	54
2.4 Ai Tweaker menu	56
2.4.1 ASUS MultiCore Enhancement [Enabled]	56
2.4.2 Memory Frequency [Auto]	56
2.4.3 GPU Boost [OK]	57
2.4.4 DRAM Timing Control	57
2.4.5 CPU Power Management	60
2.5 Advanced menu	61
2.5.1 CPU Configuration	62
2.5.2 PCH Configuration	63
2.5.3 SATA Configuration	64
2.5.4 System Agent Configuration	65
2.5.5 AMT Configuration	66
2.5.6 USB Configuration	67
2.5.7 Onboard Devices Configuration	68
2.5.8 APM	69
2.5.9 Network Stack	69
2.6 Monitor menu	70
2.6.1 CPU Temperature / MB Temperature [xxxºC/xxxºF]	70
2.6.2 CPU / Chassis / Power Fan Speed [xxxx RPM] or [Ignore] / [N/A]	70
2.6.3 CPU Q-Fan Control [Enabled]	71
2.6.4 Chassis Q-Fan Control [Enabled]	71
2.6.5 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage	72
2.6.6 Anti Surge Support [Enabled]	72
2.7 Boot menu	73
2.7.1 Bootup NumLock State [On]	73
2.7.2 Full Screen Logo [Enabled]	73
2.7.3 Wait for ‘F1’ If Error [Enabled]	74
2.7.4 Option ROM Messages [Force BIOS]	74
2.7.5 Setup Mode [EZ Mode]	74
2.7.6 UEFI/Legacy Boot [Enabled both UEFI and Legacy]	74
2.7.7 PCI ROM Priority [Legacy ROM]	74
2.7.8 Boot Option Priorities	74
2.7.9 Boot Override	74
2.8 Tools menu	75
2.8.1 ASUS EZ Flash 2 Utility	75
2.8.2 ASUS O.C. Profile	75
2.8.3 ASUS SPD Information	75
2.9 Exit menu	76
Appendices	77
Notices	77