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Asus M3N78 PRO User Manual - Page 30

Central Processing Unit CPU - am2

UPC - 610839163656

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2.3 Central Processing Unit (CPU) The motherboard comes with an �A�M�2��+�/A��M�2��s��o��c��k��e�t�d�e�s�i�g��n��e��d��f��o��r��A��M��D�® Socket AM2+ P��h�e�n�o�m F�X��/�P�h�e��n�o�m��/�A�t�h�l�o�n S�e�m��p�r�o�n�™��p��ro�c�e��s�s�o�rs��o�r�f�o�r�S��o�c�k�e�t AM2 Athlon series / Sempron processors. The AM2+/AM2 socket has a different pinout from the 940-pin socket designed for the AMD Opteron processor. Make sure you use a CPU designed for the AM2+/AM2 socket. The CPU fits in only one correct orientation. DO NOT force the CPU into the socket to prevent bending the connectors on the socket and damaging the CPU! 2.3.1 Installing the CPU To install a CPU: 1. Locate the CPU socket on the motherboard. 2. Unlock the socket by pressing the lever sideways, then lift it up to a 90º angle. Socket lever Make sure that the socket lever is lifted up to a 90º angle; otherwise, the CPU will not fit in completely. 2-6 Chapter 2: Hardware information

Section	Page
Contents	3
Notices	7
Safety information	8
About this guide	9
M3N78 PRO specifications summary	11
Chapter 1: Product introduction	15
1.1 Welcome!	17
1.2 Package contents	17
1.3 Special features	18
1.3.1 Product highlights	18
1.3.2 ASUS unique features	20
1.3.3 ASUS intelligent performance and overclocking features	22
Chapter 2: Hardware information	23
2.1 Before you proceed	25
2.2 Motherboard overview	26
2.2.1 Placement direction	26
2.2.2 Screw holes	26
2.2.3 Motherboard layout	27
2.2.4 Layout contents	28
2.3 Central Processing Unit (CPU)	30
2.3.1 Installing the CPU	30
2.3.2 Installing the heatsink and fan	32
2.4 System memory	35
2.4.1 Overview	35
2.4.2 Memory configurations	36
2.4.3 Installing a DIMM	44
2.4.4 Removing a DIMM	44
2.5 Expansion slots	45
2.5.1 Installing an expansion card	45
2.5.2 Configuring an expansion card	45
2.5.3 Interrupt assignments	46
2.5.4 PCI slots	46
2.5.5 PCI Express x1 slots	46
2.5.6 PCI Express 2.0 x16 slot	47
2.6 Jumper	48
2.7 Connectors	49
2.7.1 Rear panel connectors	49
2.7.2 Internal connectors	52
Chapter 3: Powering up	65
3.1 Starting up for the first time	67
3.2 Turning off the computer	68
3.2.1 Using the OS shut down function	68
3.2.2 Using the dual function power switch	68
Chapter 4: BIOS setup	69
4.1 Managing and updating your BIOS	71
4.1.1 ASUS Update utility	71
4.1.2 Creating a bootable floppy disk	74
4.1.3 ASUS EZ Flash 2 utility	75
4.1.4 Updating the BIOS	76
4.1.5 Saving the current BIOS file	78
4.2 BIOS setup program	79
4.2.1 BIOS menu screen	80
4.2.2 Menu bar	80
4.2.3 Legend bar	81
4.2.4 Menu items	81
4.2.5 Sub-menu items	81
4.2.6 Configuration fields	81
4.2.7 Pop-up window	82
4.2.8 General help	82
4.3 Main menu	83
4.3.1 System Time [xx:xx:xx]	83
4.3.2 System Date [Day xx/xx/xxxx]	83
4.3.3 Legacy Diskette A [1.44M, 3.5 in.]	83
4.3.4 Primary IDE Master/Slave	84
4.3.5 SATA1/2/3/4	86
4.3.6 HDD SMART Monitoring [Disabled]	87
4.3.7 Installed Memory [xxx MB]	87
4.3.8 Usable Memory [XXX MB]	87
4.4 Advanced menu	88
4.4.1 JumperFree Configuration	88
4.4.2 Ai Net 2	90
4.4.3 CPU Configuration	90
4.4.4 Chipset	91
4.4.5 PCIPnP	93
4.4.6 Onboard Device Configuration	94
4.4.7 USB Configuration	96
4.5 Power menu	97
4.5.1 ACPI Suspend Type [S1&S3]	97
4.5.2 ACPI APIC Support [Enabled]	97
4.5.3 APM Configuration	97
4.5.4 Hardware Monitor	99
4.6 Boot menu	101
4.6.1 Boot Device Priority	101
4.6.2 Removable Drives	101
4.6.3 Boot Settings Configuration	102
4.6.4 Security	103
4.7 Tools menu	105
4.7.1 ASUS EZ Flash 2	105
4.7.2 Express Gate	106
4.8 Exit menu	107
Chapter 5: Software support	109
5.1 Installing an operating system	111
5.2 Support DVD information	111
5.2.1 Running the support DVD	111
5.2.2 Drivers menu	112
5.2.3 Utilities menu	113
5.2.4 Make Disk menu	115
5.2.5 Manual menu	116
5.2.6 ASUS Contact information	116
5.2.7 Other information	117
5.3 Software information	119
5.3.1 ASUS MyLogo2™	119
5.3.2 Cool ‘n’ Quiet!™ Technology	121
5.3.3 Audio configurations	124
5.3.4 ASUS PC Probe II	132
5.3.5 ASUS AI Suite	138
5.3.6 ASUS AI Gear 2	140
5.3.7 ASUS AI Nap	141
5.3.8 ASUS Q-Fan 2	142
5.3.9 ASUS AI Booster	143
5.3.10 ASUS Express Gate	144
5.4 RAID configurations	152
5.4.1 RAID definitions	152
5.4.2 NVIDIA® RAID configurations	153
5.5 Creating a RAID driver disk	160
5.5.1 Creating a RAID driver disk without entering the OS	160
5.5.2 Creating a RAID/SATA driver disk in Windows®	160
Chapter 6: NVIDIA® Hybrid SLI™ technology support	163
6.1 NVIDIA® Hybrid SLI® Technology	165
6.1.1 System requirements	165