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Gigabyte GA-6LXSG Manual - Page 24

CPU Fan/System Fan Headers, PMBUS PMBus connector

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3/4/5/6/7) CPU0_FAN/SYS_FAN1/SYS_FAN2/SYS_FAN3/SYS_FAN4 (CPU Fan/System Fan Headers) The motherboard has a 4-pin CPU fan header (CPU0_FAN), and four 4-pin (SYS_FAN1/SYS_FAN2/ SYS_FAN3/SYS_FAN4) system fan headers. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The motherboard supports CPU fan speed control, which requires the use of a CPU fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis. CPU0_FAN 1 CPU0_FAN SYS_FAN2 SYS_FAN1 SYS_FAN3 SYS_FAN4 1 SYS_FAN1/2/3/4 CPU0_FAN/SYS_FAN1/2/3/4: Pin No. Definition 1 GND 2 +12V 3 Sense 4 Speed Control • Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang. • These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers. 8) PMBUS (PMBus connector) Pin No. Definition 1 SMB CLK 1 2 SMB DATA 3 SMB Alert 4 GND 5 5 3.3V Sense - 24 - Hardware Installation

Section	Page
Box Contents	5
GA-6LXSG/GA-6LXSL Motherboard Layout	6
GA-6LXSG Block Diagram	9
GA-6LXSL Block Diagram	10
Chapter 1 Hardware Installation	11
1-1 Installation Precautions	11
1-2 Product Specifications	12
1-3 Installing the CPU and CPU Cooler	14
1-3-1 Installing the CPU	14
1-3-2 Installing the CPU Cooler	16
1-4 Installing the Memory	17
1-4-1 Dual Channel Memory Configuration	17
1-4-2 Installing a Memory	18
1-5 Back Panel Connectors	19
1-6 Internal Connectors	21
Chapter 2 BIOS Setup	36
2-1 The Main Menu	38
2-2 Advanced Menu	40
2-2-1 ACPI Configuration	41
2-2-2 Trusted Computing (Optional)	42
2-2-3 PCI Subsystem Settings	43
2-2-3-1 PCI Express Settings	45
2-2-4 CPU Configuration	47
2-2-5 SATA Configuration	51
2-2-5-1 Software Feature Mask Configuration	53
2-2-6 Info Report Configuration	55
2-2-7 USB Configuration	56
2-2-8 IT8732 Super IO Configuration	57
2-2-9 IT8732 HW Monitor	59
2-2-10 Serial Port Console Redirection	60
2-2-11 Network Stack	63
2-2-12 Intel(R) Anti-Theft Technology Configuration	64
2-2-13 Switchable Graphics	65
2-2-14 Intel(R) Rapid Start Technology	66
2-2-15 PCH-FW Configuration	67
2-2-16 Intel(R) Smart Connect Technology	69
2-2-17 Smart Settings	70
2-2-18 AMT Configuration	71
2-2-19 Acoustic Management Configuration	73
2-3 Chipset Menu	74
2-3-1 System Agent (SA)Configuration	75
2-3-1-1 Graphic Configuration	76
2-3-1-2 NB PCIe Configuration	78
2-3-1-3 Memory Configuration	80
2-3-2 PCH-IO Configuration	82
2-3-2-1 PCI Express Configuration	84
2-3-2-2 USB Configuration	85
2-4 Security Menu	86
2-4-1 Secure Boot menu	87
2-4-1-1 Key Management	88
2-5 Boot Menu	90
2-5-1 CSM16 Parameters	92
2-5-2 CSM Parameters	93
2-6 Exit Menu	95
2-7 BIOS Beep Codes	96
2-8 BIOS Recovery Instruction	97
Chapter 3 Appendix	98