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Asus M4A77 User Manual - Page 38

M4A77 fan connectors

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GND CPU FAN PWR CPU FAN IN CPU FAN PWM GND +12V Rotation 8. 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 CHA_FAN M4A77 M4A77 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 supports the ASUS Q-Fan feature. 1-28 Chapter 1: Product introduction

Section	Page
Notices	6
Safety information	7
About this guide	7
M4A77 specifications summary	9
Product introduction	11
1.1 Welcome!	11
1.2 Package contents	11
1.3 Special features	11
1.3.1 Product highlights	11
1.3.2 Innovative ASUS features	13
1.4 Before you proceed	15
1.5 Motherboard overview	16
1.5.1 Placement direction	16
1.5.2 Screw holes	16
1.5.3 Motherboard layout	17
1.5.4 Layout contents	17
1.6 Central Processing Unit (CPU)	18
1.6.1 Installing the CPU	18
1.6.2 Installing the heatsink and fan	20
1.7 System memory	21
1.7.1 Overview	21
1.7.2 Memory configurations	22
1.7.3 Installing a DIMM	27
1.7.4 Removing a DIMM	27
1.8 Expansion slots	28
1.8.1 Installing an expansion card	28
1.8.2 Configuring an expansion card	28
1.8.3 PCI slots	28
1.8.4 PCI Express x1 slots	28
1.8.5 PCI Express x16 slot	28
1.9 Jumpers	29
1.10 Connectors	30
1.10.1 Rear panel ports	30
1.10.2 Internal connectors	32
1.11 Software support	39
1.11.1 Installing an operating system	39
1.11.2 Support DVD information	39
BIOS information	41
2.1 Managing and updating your BIOS	41
2.1.1 ASUS Update utility	41
2.1.2 ASUS EZ Flash 2	42
2.1.3 ASUS CrashFree BIOS	43
2.2 BIOS setup program	44
2.2.1 BIOS menu screen	45
2.2.2 Menu bar	45
2.2.3 Navigation keys	45
2.2.4 Menu items	46
2.2.5 Submenu items	46
2.2.6 Configuration fields	46
2.2.7 Pop-up window	46
2.2.8 Scroll bar	46
2.2.9 General help	46
2.3 Main menu	47
2.3.1 System Time [xx:xx:xx]	47
2.3.2 System Date [Day xx/xx/xxxx]	47
2.3.3 Primary IDE Master/Slave, SATA 1/2/3/4/5/6	47
2.3.4 SATA Configuration	48
2.3.5 System Information	49
2.4 Advanced menu	49
2.4.1 JumperFree Configuration	49
2.4.2 CPU Configuration	52
2.4.3 Chipset	53
2.4.4 Onboard Device Configuration	54
2.4.5 PCIPnP	54
2.4.6 USB Configuration	55
2.5 Power menu	56
2.5.1 Suspend Mode [Auto]	56
2.5.2 ACPI 2.0 Support [Enabled]	56
2.5.3 ACPI APIC Support [Enabled]	56
2.5.4 APM Configuration	56
2.5.5 HW Monitor Configuration	57
2.6 Boot menu	58
2.6.1 Boot Device Priority	58
2.6.2 Boot Settings Configuration	58
2.6.3 Security	59
2.7 Tools menu	60
2.7.1 ASUS EZ Flash 2	60
2.7.2 Express Gate [Auto]	61
2.7.3 AI NET 2	61