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Asus P5N-EM HDMI User Manual - Page 43

ATX power connectors 24-pin EATXPWR and 4-pin ATX12V

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7. ATX power connectors (24-pin EATXPWR and 4-pin ATX12V) These connectors are for ATX power supply plugs. The power supply plugs are designed to fit these connectors in only one orientation. Find the proper orientation and push down firmly until the connectors completely fit. • Do not forget to connect the 4-pin ATX +12 V power plug; otherwise, the system will not boot. • Use of a PSU with a higher power output is recommended when configuring a system with more power-consuming devices. The system may become unstable or may not boot up if the power is inadequate. • Ensure that your power supply unit (PSU) can provide at least the minimum power required by your system. • If you intent to use a PSU with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at least 15A on +12V and that the PSU has a minimum power rating of 350 W. The system may become unstable or may not boot up if the power is inadequate. • You must install a PSU with a higher power rating if you intend to install additional devices. ATX12V EATXPWR +12V DC +12V DC +3 Volts P5N-EMHDMI R GND GND +12 Volts +12 Volts +5V Standby Power OK Ground +5 Volts Ground +5 Volts Ground +3 Volts P5N-EM HDMI Front Panel Audio Connector +3 Volts Ground +5 Volts +5 Volts +5 Volts -5 Volts Ground Ground Ground PSON# Ground -12 Volts +3 Volts ASUS P5N-EM HDMI 1-31

Section	Page
Contents	3
Contents	4
Contents	5
Notices	6
Federal Communications Commission Statement	6
Canadian Department of Communications Statement	6
Safety information	7
Electrical safety	7
Operation safety	7
About this guide	8
How this guide is organized	8
Where to find more information	8
Conventions used in this guide	9
Typography	9
P5N-EM HDMI specifications summary	10
P5N-EM HDMI specifications summary	11
Product introduction	13
1.1 Welcome!	14
1.2 Package contents	14
1.3 Special features	14
1.3.1 Product highlights	14
1.3.2 ASUS Special features	16
1.4 Before you proceed	17
Onboard LED	17
1.5 Motherboard overview	18
1.5.1 Placement direction	18
1.5.2 Screw holes	18
1.5.3 Motherboard layout	19
1.6 Central Processing Unit (CPU)	20
1.6.1 Installling the CPU	20
1.6.2 Installling the CPU heatsink and fan	23
1.6.3 Uninstalling the CPU heatsink and fan	25
1.7 System memory	27
1.7.1 Overview	27
1.7.2 Memory configurations	27
1.7.3 DDR2 Qualified Vendors List	28
1.7.4 Installing a DIMM	31
1.7.5 Removing a DIMM	31
1.8 Expansion slots	32
1.8.1 Installing an expansion card	32
1.8.2 Configuring an expansion card	32
1.8.3 Interrupt assignments	33
1.8.4 PCI slots	35
1.8.5 PCI Express x1 slot	35
1.8.6 PCI Express x16 Slot	35
1.9 Jumpers	36
1.10 Connectors	38
1.10.1 Rear panel connectors	38
1.10.2 Internal connectors	40
BIOS setup	49
2.1 Managing and updating your BIOS	50
2.1.1 ASUS Update utility	50
2.1.2 Creating a bootable floppy disk	53
2.1.3 ASUS EZ Flash 2 utility	54
2.1.4 Updating the BIOS	55
2.1.5 Saving the current BIOS file	57
2.1.6 ASUS CrashFree BIOS 2 utility	58
2.2 BIOS setup program	60
2.2.1 BIOS menu screen	61
2.2.2 Menu bar	61
2.2.3 Legend bar	62
2.2.4 Menu items	62
2.2.5 Sub-menu items	62
2.2.6 Configuration fields	62
2.2.7 Pop-up window	63
2.2.8 General help	63
2.3 Main menu	64
2.3.1 System Time [xx:xx:xx]	64
2.3.2 System Date [Day xx/xx/xxxx]	64
2.3.3 Legacy Diskette A [1.44M, 3.5 in.]	64
2.3.4 Primary IDE Master/Slave	65
2.3.5 SATA 1-4	67
2.3.6 HDD SMART Monitoring [Disabled]	68
2.3.7 Installed Memory [xxx MB]	68
2.3.8 Usable Memory [XXX MB]	68
2.4 Advanced menu	69
2.4.1 JumperFree	69
2.4.2 CPU Configuration	72
2.4.3 Chipset	73
2.4.4 PCIPnP	73
2.4.5 Onboard Device Configuration	74
2.4.6 USB Configuration	77
2.5 Power menu	78
2.5.1 ACPI Suspend Type [S1&S3]	78
2.5.2 ACPI APIC Support [Enabled]	78
2.5.3 APM Configuration	78
2.5.4 Hardware Monitor	81
2.6 Boot menu	82
2.6.1 Boot Device Priority	82
2.6.2 Removable Drives	82
2.6.3 Hard Disk Drives	83
2.6.4 Boot Settings Configuration	83
2.6.5 Security	85
2.7 Tools menu	86
ASUS EZ Flash 2	86
2.8 Exit menu	87
Software support	89
3.1 Installing an operating system	90
3.2 Support CD information	90
3.2.1 Running the support CD	90
3.2.2 Drivers menu	91
3.2.3 Utilities menu	92
3.2.4 Make Disk menu	93
3.2.5 Manual menu	94
3.2.6 ASUS Contact information	95
3.2.7 Other information	95
3.3 Creating a RAID driver disk	97
CPU features	99
A.1 Enhanced Intel SpeedStep® Technology (EIST)	100
A.1.1 System requirements	100
A.1.2 Using the EIST	100
A.2 Intel® Hyper-Threading Technology	102
Using the Hyper-Threading Technology	102
A.2 Intel® Hyper-Threading Technology	102