Page 2
Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
Welcome! ..................1-1 Package contents ................. 1-1 Special features ................1-1 1.3.1 Product highlights ............1-1 1.3.2 Innovative ASUS features ..........1-3 Before you proceed ..............1-5 Motherboard overview ..............1-6 1.5.1 Placement direction ............1-6 1.5.2 Screw holes ..............1-6 1.5.3...
Page 4
Chapter 2: BIOS information Managing and updating your BIOS ..........2-1 2.1.1 ASUS Update utility ............2-1 2.1.2 ASUS EZ Flash 2 ............2-2 2.1.3 ASUS CrashFree BIOS ........... 2-3 BIOS setup program ..............2-4 2.2.1 BIOS menu screen ............2-5 2.2.2...
Page 5
Boot Device Priority ............2-17 2.6.2 Boot Settings Configuration .......... 2-17 2.6.3 Security ................. 2-18 Tools menu ................. 2-20 2.7.1 ASUS EZ Flash 2 ............2-20 2.7.2 Express Gate ..............2-20 2.7.3 AI NET 2................ 2-20 Exit menu ..................2-21...
Complying with the REACH (Registration, Evaluation, Authorisation, and Restriction of Chemicals) regulatory framework, we published the chemical substances in our products at ASUS REACH website at http://green.asus.com/english/REACH.htm. DO NOT throw the motherboard in municipal waste. This product has been designed to enable proper reuse of parts and recycling.
Safety information Electrical safety • To prevent electric shock hazard, disconnect the power cable from the electric outlet before relocating the system. • When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device.
Refer to the following sources for additional information and for product and software updates. ASUS websites The ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact information. Optional documentation Your product package may include optional documentation, such as warranty flyers, that may have been added by your dealer.
- 2 x 240-pin DIMM sockets support unbuffered non-ECC 1333(O.C.)/1066/800 MHz DDR3 memory modules - Supports up to 8GB system memory * Refer to www.asus.com for the latest Memory QVL (Qualified Vendors Lists). ** When you install a total memory of 4GB or more, Windows ®...
Page 10
P5G41T-M/USB3 specifications summary ASUS unique ASUS CrashFree BIOS 3 features ASUS AI NET 2 ASUS Q-Fan ASUS EZ Flash 2 ASUS MyLogo 2 ASUS Anti-Surge Protection ASUS Turbo Key ASUS Express Gate ASUS EPU-4 Engine Special features 100% All High-quality Conductive Polymer Capacitors...
® The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards! Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below.
Page 12
Intel G41 Chipset ® The Intel G41 Express Chipset is designed to support dual-channel ® DDR3 1333 (O.C.)/1066/800 MHz architecture, 1333/1066/800 MHz Front Side Bus (FSB), PCIe 1.1, and mutli-core CPUs. It especially includes Intel Fast memory bandwidth and reduces the latency of the ®...
ASUS Turbo Key ASUS Turbo Key allows you to turn the PC power button into an overclocking button. After easy setup, Turbo Key boosts performances without interrupting ongoing work or games, simply through pressing the button.
Page 14
ASUS EZ Flash 2 ASUS EZ Flash 2 is a utility that allows you to update the BIOS without using an OS-based utility. ASUS AI NET2 ASUS AI NET2 remotely detects the cable connection immediately after turning on the system, and any faulty cable connections are reported back up to 100 meters at 1 meter accuracy.
ON, in sleep mode, or in soft-off mode. This is a reminder that you must shut down the system and unplug the power cable before removing or plugging in any motherboard component. The illustration below shows the location of the onboard LED. SB_PWR P5G41T-M/USB3 Standby Power Powered Off P5G41T-M/USB3 Onboard LED ASUS P5G41T-M/USB3...
Motherboard overview Before you install the motherboard, study the configuration of your chassis to ensure that the motherboard fits into it. Ensure that you unplug the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard components. 1.5.1 Placement direction When installing the motherboard, ensure that you place it into the chassis in the correct...
Contact your retailer immediately if the PnP cap is missing, or if you see any damage to the PnP cap/socket contacts/motherboard components. ASUS will shoulder the cost of repair only if the damage is shipment/transit-related. • Keep the cap after installing the motherboard. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the LGA775 socket.
Page 19
(4B). Position the CPU over the socket, CPU notch ensuring that the gold triangle is on the bottom-left corner of the socket then fit the socket alignment key into the CPU notch. Gold triangle mark Alignment key ASUS P5G41T-M/USB3...
Page 20
Apply some Thermal Interface Material to the exposed area of the CPU that the heatsink will be in contact with, ensuring that it is spread in an even thin layer. Some heatsinks come with pre-applied thermal paste. If so, skip this step.
The type of CPU heatsink and fan assembly may differ, but the installation steps and functions should remain the same. The illustration above is for reference only. ASUS P5G41T-M/USB3 1-11...
Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU_FAN P5G41T-M/USB3 P5G41T-M/USB3 CPU fan connector Do not forget to connect the CPU fan connector! Hardware monitoring errors can occur if you fail to plug this connector. 1.6.3 Uninstalling the CPU heatsink and fan To uninstall the CPU heatsink and fan:...
The motherboard comes with two Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) sockets. The figure illustrates the location of the DDR3 DIMM sockets: Channel Sockets Channel A DIMM_A1 Channel B DIMM_B1 P5G41T-M/USB3 P5G41T-M/USB3 240-pin DDR3 DIMM sockets ASUS P5G41T-M/USB3 1-13...
1.7.2 Memory configurations You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR3 DIMMs into the DIMM sockets. • Always install DIMMs with the same CAS latency. For optimum compatibility, it is recommended that you obtain memory modules from the same vendor. •...
Page 25
• A*: Supports one module inserted into either slot as Single-channel memory configuration. • B*: Supports one pair of modules inserted into both the slots as one pair of Dual-channel memory configuration. Visit the ASUS website at www.asus.com for the latest QVL. ASUS P5G41T-M/USB3 1-15...
1.7.3 Installing a DIMM Unplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cause severe damage to both the motherboard and the components. To install a DIMM: DIMM notch Press the retaining clips outward to unlock a DIMM socket.
This motherboard supports PCI Express x1 network cards, SCSI cards, and other cards that comply with the PCI Express specifications. 1.8.5 PCI Express x16 slot This motherboard supports a PCI Express x16 graphics card that complies with the PCI Express specifications. ASUS P5G41T-M/USB3 1-17...
Jumpers Clear RTC RAM (3-pin CLRTC) This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.
Pink (Rear panel) Mic In Mic In Bass/Center Bass/Center Lime (Front panel) – – – Side Speaker Out To configure 8-channel audio: Use the chassis with HD audio module in the front panel to support 8-channel audio output. ASUS P5G41T-M/USB3 1-19...
Optical S/PDIF_OUT port. This port connects to an external audio output device via an optical S/PDIF cable. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 2.0 devices. USB 3.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are available for connecting USB 3.0 devices.
Page 31
+12V Rotation P5G41T-M/USB3 fan connectors Only the 4-pin CPU fan supports the ASUS Q-FAN feature. Digital audio connector (4-1 pin SPDIF_OUT) This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect the S/PDIF Out module cable to this connector, then install the module to a slot opening at the back of the system chassis.
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. 1-22...
Page 33
LPT connector (26-1 pin LPT) The LPT (Line Printing Terminal) connector supports devices such as a printer. LPT is standardized as IEEE 1284, which is the parallel port interface on IBM PC-compatible computers. P5G41T-M/USB3 PIN 1 P5G41T-M/USB3 Parallel Port Connector ASUS P5G41T-M/USB3 1-23...
Page 34
IDE connector (40-1 pin PRI_IDE) The onboard IDE connector is for the Ultra DMA 100/66/33 signal cable. There are three connectors on each Ultra DMA 100/66/33 signal cable: blue, black, and gray. Connect the blue connector to the motherboard’s IDE connector, then select one of the following modes to configure your device.
ATX power button/soft-off button (2-pin PWRSW) This connector is for the system power button. • Reset button (2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. ASUS P5G41T-M/USB3 1-25...
USB 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 480 Mbps connection speed.
Place the Support DVD to the optical drive. If Autorun is enabled on your computer, the DVD automatically displays the Specials screen which contains the unique feature of ASUS motherboard. Click Drivers, Utilities, Manuals, and Contact tabs to display their respective menus.
BIOS in the future. Copy the original motherboard BIOS using the ASUS Update utility. 2.1.1 ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows environment. ®...
Follow the onscreen instructions to complete the updating process. 2.1.2 ASUS EZ Flash 2 The ASUS EZ Flash 2 feature allows you to update the BIOS without using an OS-based utility. Before you start using this utility, download the latest BIOS file from the ASUS website at www.asus.com.
2.1.3 ASUS CrashFree BIOS The ASUS CrashFree BIOS is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a removable device that contains the updated BIOS file.
• The BIOS setup screens shown in this section are for reference purposes only, and may not exactly match what you see on your screen. • Visit the ASUS website at www.asus.com to download the latest BIOS file for this motherboard.
For configuring options for special functions. Exit For selecting the exit options and loading default settings. To select an item on the menu bar, press the right or left arrow key on the keyboard until the desired item is highlighted. ASUS P5G41T-M/USB3...
2.2.3 Navigation keys At the bottom right corner of a menu screen are the navigation keys for that particular menu. Use the navigation keys to select items in the menu and change the settings. Some of the navigation keys differ from one screen to another. 2.2.4 Menu items The highlighted item on the menu bar displays the specific items for that menu.
IDE device type. Select CDROM if you are specifically configuring a CD-ROM drive. Select ARMD (ATAPI Removable Media Device) if your device is either a ZIP, LS-120, or MO drive. Configuration options: [Not Installed] [Auto] [CDROM] [ARMD] This item does not appear when you select the SATA 1/2/3/4 devices. ASUS P5G41T-M/USB3...
LBA/Large Mode [Auto] Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device supports this mode, and if the device was not previously formatted with LBA mode disabled. Configuration options: [Disabled] [Auto] Block (Multi-sector Transfer) M [Auto] Enables or disables data multi-sectors transfers.
Select either one of the preset overclocking configuration options: Manual - allows you to individually set overclocking parameters. Auto - loads the optimal settings for the system. Overclock Profile - loads overclocking profiles with optimal parameters for stability when overclocking. ASUS P5G41T-M/USB3...
Page 48
The following two items appear only when you set the AI Overclocking item to [MANUAL]. CPU Frequency [xxx] Displays the frequency sent by the clock generator to the system bus and PCI bus. The value of this item is auto-detected by the BIOS. Use the <+> and <-> keys to adjust the CPU frequency.
Allows you to enable or disable C1E Support. Configuration options: [Disabled] [Enabled] Max CPUID Value Limit [Disabled] Setting this item to [Enabled] allows legacy operating systems to boot even without support for CPUs with extended CPUID functions. Configuration options: [Disabled] [Enabled] ASUS P5G41T-M/USB3 2-11...
Intel(R) Virtualization Tech [Enabled] Enables or disables Intel Virtualization Technology. Virtualization enhanced by Intel ® ® Virtualization Technology allows a platform to run multiple operating systems and applications in independent partitions. With virtualization, one computer system can function as multiple virtual systems.
Parallel Port ECP DMA. Configuration options: [DMA0] [DMA1] [DMA3] EPP Version [1.9] Appears only when the Parallel Port Mode is set to [EPP]. Configuration options: [1.9] [1.7] Parallel Port IRQ [IRQ7] Allows you to select parallel port IRQ. Configuration options: [IRQ5] [IRQ7] ASUS P5G41T-M/USB3 2-13...
Onboard USB 3.0 Controller [Enabled] Enables or disables the onboard USB 3.0 controller. Configuration options: [Enabled] [Disabled] 2.4.5 USB Configuration The items in this menu allows you to change the USB-related features. Select an item then press <Enter> to display the configuration options. The Module Version and USB Devices Enabled items show the auto-detected values.
Application-Specific Integrated Circuit (ASIC). When set to Enabled, the ACPI APIC table pointer is included in the RSDT pointer list. Configuration options: [Disabled] [Enabled] 2.5.4 Anti Surge Support [Enabled] Allows you to enable or disable the Anti-Surge protection. Configuration options: [Disabled] [Enabled] ASUS P5G41T-M/USB3 2-15...
2.5.5 APM Configuration Restore on AC Power Loss [Power Off] When set to [Power Off], the system goes into off state after an AC power loss. When set to [Power On], the system goes on after an AC power loss. When set to [Last State], the system goes into either off or on state, whatever the system state was before the AC power loss.
Configuration options: [Removable Dev.] [Hard Drive] [ATAPI CD-ROM] [Disabled] • To select the boot device during system startup, press <F8> when ASUS Logo appears. • To access Windows OS in Safe Mode, do any of the following: ®...
Full Screen Logo [Enabled] This allows you to enable or disable the full screen logo display feature. Configuration options: [Disabled] [Enabled] Set this item to [Enabled] to use the ASUS MyLogo2 feature. ™ AddOn ROM Display Mode [Force BIOS] Sets the display mode for option ROM. Configuration options: [Force BIOS] [Keep Current] Bootup Num-Lock [On] Allows you to select the power-on state for the NumLock.
Password Check [Setup] When set to [Setup], BIOS checks for user password when accessing the Setup utility. When set to [Always], BIOS checks for user password both when accessing Setup and booting the system. Configuration options: [Setup] [Always] ASUS P5G41T-M/USB3 2-19...
2.7.1 ASUS EZ Flash 2 Allows you to run ASUS EZ Flash 2. When you press <Enter>, a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to confirm your choice. See section 2.1.2 ASUS EZ Flash 2 for details.
When you select this option or if you press <F5>, a confirmation window appears. Select OK to load default values. Select Exit & Save Changes or make other changes before saving the values to the non-volatile RAM. ASUS P5G41T-M/USB3 2-21...
+1-510-739-3777 +1-510-608-4555 Web site usa.asus.com Technical Support Telephone +1-812-282-2787 Support fax +1-812-284-0883 Online support support.asus.com ASUS Computer GmbH (Germany and Austria) Address Harkort Str. 21-23, D-40880 Ratingen, Germany +49-2102-959911 Web site www.asus.de Online contact www.asus.de/sales Technical Support Telephone (Component) +49-1805-010923*...