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Asus M5A78L-M LX BR M5A78L-M LX3 PLUS User's Manual - Page 34

M5A78L-M LX3 PLUS fan connectors

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6. USB 2.0 connectors (10-1 pin USB56, USB78) These connectors are for USB 2.0 ports. Connect the USB module cable to any of these connectors, then install the module to a slot opening at the back of the system chassis. These USB connectors comply with USB 2.0 specification that supports up to 480Mbps connection speed. USB78 USB56 USB+5V USB_P8USB_P8+ GND NC USB+5V USB_P6USB_P6+ GND NC USB+5V USB_P7USB_P7+ GND USB+5V USB_P5USB_P5+ GND M5A78L-M LX3 PLUS PIN 1 PIN 1 M5A78L-M LX3 PLUS USB2.0 connectors Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB 2.0 module is purchased separately. 7. CPU and chassis fan connectors (4-pin CPU_FAN and 3-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 CPU FAN PWM CPU FAN IN CPU FAN PWR GND M5A78L-M LX3 PLUS CHA_FAN GND +12V Rotation M5A78L-M LX3 PLUS fan connectors 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. Only the 4-pin CPU fan connector supports the ASUS Fan Xpert feature. 1-24 Chapter 1: Product introduction

Section	Page
Safety information	6
About this guide	6
M5A78L-M LX3 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 Exclusive Features	12
1.2 Before you proceed	13
1.3 Motherboard overview	14
1.3.1 Placement direction	14
1.3.2 Screw holes	14
1.3.3 Motherboard layout	15
1.3.4 Layout contents	16
1.4 Central Processing Unit (CPU)	16
1.4.1 CPU installation	17
1.4.2 CPU heatsink and fan assembly installation	18
1.5 System memory	20
1.5.1 Overview	20
1.5.2 Memory configurations	21
1.5.3 Installing a DIMM	25
1.6 Expansion slots	26
1.6.1 Installing an expansion card	26
1.6.2 Configuring an expansion card	26
1.6.3 PCI slot	26
1.6.4 PCI Express x1 slot	26
1.6.5 PCI Express x16 slot	26
1.7 Jumpers	27
1.8 Connectors	29
1.8.1 Rear panel ports	29
1.8.2 Internal connectors	30
1.9 Software support	35
1.9.1 Installing an operating system	35
1.9.2 Support DVD information	35
Chapter 2: BIOS information	37
2.1 Managing and updating your BIOS	37
2.1.1 ASUS Update utility	37
2.1.2 ASUS EZ Flash 2 utility	38
2.1.3 ASUS CrashFree BIOS 3	39
2.2 BIOS setup program	40
2.2.1 BIOS menu screen	41
2.2.2 Menu bar	41
2.2.3 Navigation keys	41
2.2.4 Menu items	42
2.2.5 Submenu items	42
2.2.6 Configuration fields	42
2.2.7 Pop-up window	42
2.2.8 Scroll bar	42
2.2.9 General help	42
2.3 Main menu	43
2.3.1 System Time [xx:xx:xx]	43
2.3.2 System Date [Day xx/xx/xxxx]	43
2.3.3 SATA3G_1~4	43
2.3.4 SATA Configuration	44
2.3.5 System Information	44
2.4 Advanced menu	45
2.4.1 JumperFree Configuration	45
2.4.2 CPU Configuration	48
2.4.3 Chipset	49
2.4.4 Onboard Devices Configuration	50
2.4.5 PCIPnP	50
2.4.6 USB Configuration	51
2.5 Power menu	52
2.5.1 Suspend Mode [Auto]	52
2.5.2 ACPI 2.0 Support [Enabled]	52
2.5.3 ACPI APIC Support [Enabled]	52
2.5.4 APM Configuration	52
2.5.5 HW Monitor Configuration	53
2.5.6 Anti Surge Support [Enabled]	54
2.6 Boot menu	55
2.6.1 Boot Device Priority	55
2.6.2 Boot Settings Configuration	55
2.6.3 Security	56
2.7 Tools menu	58
2.7.1 ASUS EZ Flash 2	58
2.7.2 ASUS O.C. Profile	58
2.8 Exit menu	59
Appendices	61
Notices	61