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ATX power connectors 24-pin EATXPWR, 4-pin ATX12V - m lx specification

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3. ATX power connectors (24-pin EATXPWR, 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. • We recommend that you use an ATX 12V Specification 2.0‑compliant power supply unit (PSU) with a minimum of 400W power rating. This PSU type has 24-pin and 4-pin power plugs. • If you intend to use a PSU with 20-pin and 4-pin power plugs, ensure that the 20-pin power plug can provide at least 15 A on +12 V and that the PSU has a minimum power rating of 400W. The system may become unstable or may not boot up if the power is inadequate. • DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will not boot up. • We recommend that you use a PSU with higher power output when configuring a system with more power-consuming devices or when you intend to install additional devices. The system may become unstable or may not boot up if the power is inadequate. • If you are uncertain about the minimum power supply requirement for your system, refer to the Recommended Power Supply Wattage Calculator at http://support.asus. com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details. ASUS P5G41T-M LX 1-23

Section	Page
Notices	6
Safety information	7
About this guide	7
P5G41T-M LX specifications summary	9
Chapter 1	11
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	12
1.4 Before you proceed	14
1.5 Motherboard overview	15
1.5.1 Placement direction	15
1.5.2 Screw holes	15
1.5.3 Motherboard layout	16
1.5.4 Layout contents	16
1.6 Central Processing Unit (CPU)	17
1.6.1 Installing the CPU	17
1.6.2 Installing the CPU heatsink and fan	20
1.6.3 Uninstalling the CPU heatsink and fan	21
1.7 System memory	22
1.7.1 Overview	22
1.7.2 Memory configurations	23
1.7.3 Installing a DIMM	26
1.7.4 Removing a DIMM	26
1.8 Expansion slots	27
1.8.1 Installing an expansion card	27
1.8.2 Configuring an expansion card	27
1.8.3 PCI slots	27
1.8.4 PCI Express x1 slot	27
1.8.5 PCI Express x16 slot	27
1.9 Jumpers	28
1.10 Connectors	30
1.10.1 Rear panel connectors	30
1.10.2 Internal connectors	31
1.11 Software support	37
1.11.1 Installing an operating system	37
1.11.2 Support DVD information	37
Chapter 2	39
BIOS information	39
2.1 Managing and updating your BIOS	39
2.1.1 ASUS Update utility	39
2.1.2 ASUS EZ Flash 2	40
2.1.3 ASUS CrashFree BIOS	41
2.2 BIOS setup program	42
2.2.1 BIOS menu screen	43
2.2.2 Menu bar	43
2.2.3 Navigation keys	44
2.2.4 Menu items	44
2.2.5 Submenu items	44
2.2.6 Configuration fields	44
2.2.7 Pop-up window	44
2.2.8 Scroll bar	44
2.2.9 General help	44
2.3 Main menu	45
2.3.1 System Time	45
2.3.2 System Date	45
2.3.3 Primary IDE Master/Slave, SATA1~4	45
2.3.4 Storage Configuration	46
2.3.5 System Information	47
2.4 Advanced menu	47
2.4.1 JumperFree Configuration	47
2.4.2 CPU Configuration	49
2.4.3 Chipset	50
2.4.4 Onboard Devices Configuration	51
2.4.5 USB Configuration	52
2.4.6 PCI PnP	53
2.5 Power menu	53
2.5.1 Suspend Mode	53
2.5.2 ACPI 2.0 Support	53
2.5.3 ACPI APIC Support	53
2.5.4 Anti Surge Support	53
2.5.5 APM Configuration	54
2.5.6 Hardware Monitor	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 Express Gate	58
2.7.3 AI NET 2	58

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ASUS P5G41T-M LX

1-23

ATX power connectors (24-pin EATXPWR, 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.

•

We recommend that you use an ATX 12V Speciﬁcation 2.0-compliant power supply unit

(PSU) with a minimum of 400W power rating. This PSU type has 24-pin and 4-pin power

plugs.

•

If you intend to use a PSU with 20-pin and 4-pin power plugs, ensure that the 20-pin

power plug can provide at least 15 A on +12 V and that the PSU has a minimum power

rating of 400W. The system may become unstable or may not boot up if the power is

inadequate.

•

DO NOT forget to connect the 4-pin ATX +12V power plug. Otherwise, the system will

not boot up.

•

We recommend that you use a PSU with higher power output when conﬁguring a

system with more power-consuming devices or when you intend to install additional

devices. The system may become unstable or may not boot up if the power is

inadequate.

•

If you are uncertain about the minimum power supply requirement for your system,

refer to the Recommended Power Supply Wattage Calculator at http://support.asus.

com/PowerSupplyCalculator/PSCalculator.aspx?SLanguage=en-us for details.