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                        P7P55-M
Motherboard                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
                    
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                        E5073 First Edition V1  October 2009 Copyright © 2009 ASUSTeK Computer Inc. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced,  transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any  means, except documentation kept by the purchaser for backup purposes, without the express written  permission of ASUSTeK Computer Inc. (“ASUS”). Product warranty or service will not be extended 
                    
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                        Contents Notices ......................................................................................................... vi Safety information ..................................................................................... vii About this guide ....................................................................................... viii P7P55-M specifications summary ............................................................. ix Chapter 1: Product introduction  1.1 Welcome! .............
                    
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                        Contents 1.12 Software support ........................................................................ 1-30 1.12.1 Installing an operating system ...................................... 1-30 1.12.2 Support DVD information .............................................. 1-30 Chapter 2: BIOS information 2.1 Managing and updating your BIOS ............................................ 2-1 2.1.1 ASUS Update utility ........................................................ 2-1 2.1.2 ASUS EZ Flash 2 util
                    
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                        Contents 2.7.2 Boot Settings Configuration .......................................... 2-22 2.7.3 Security ......................................................................... 2-23 2.8 Tools menu ................................................................................. 2-25 2.8.1 ASUS O.C. Profile ......................................................... 2-25 2.8.2 AI NET 2........................................................................ 2-26 2.8.3 ASUS EZ Flash 2 ............
                    
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                        Notices Federal Communications Commission Statement This device complies with Part 15 of the FCC Rules. Operation is subject to the following two  conditions: • This device may not cause harmful interference, and • This device must accept any interference received including interference that may cause  undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital  device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide  r
                    
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                        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. • Before connecting or removing signal cables from the motherboard, ensure that all  power cabl
                    
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                        About this guide This user guide contains the information you need when installing and configuring the  motherboard. How this guide is organized This guide contains the following parts: • Chapter 1: Product introduction  This chapter describes the features of the motherboard and the new technology it  supports. • Chapter 2: BIOS information  This chapter tells how to change system settings through the BIOS Setup menus.  Detailed descriptions of the BIOS parameters are also provided. Conventions 
                    
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                        P7P55-M specifications summary ® CPU LGA1156 socket for Intel Core™ i7/ Core™ i5 processors  ® Supports Intel Turbo Boost Technology  ® * Refer to www.asus.com for Intel CPU support list. ® Chipset Intel P55 Express Chipset Memory Dual-channel memory architecture  4 x 240-pin DIMM slots support maximum 16GB unbuffered    non-ECC DDR3 2200(O.C.)/2133(O.C.)/1866(O.C.)/   1800(O.C.)/1600/1333 /1066MHz memory modules  ® * Supports Intel Extreme Memory Profile (XMP)  ** Refer to www.asus.com for the 
                    
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                        P7P55-M specifications summary ASUS exclusive SFS (Stepless Frequency Selection):  overclocking features - Internal Base Clock tuning from 133 MHz up to 500MHz     at 1MHz increment    - PCI Express frequency tuning from 100MHz up to     160MHz at 1MHz increment Overclocking Protection:   - ASUS C.P.R.(CPU Parameter Recall) Back panel I/O ports 1 x PS/2 keyboard/mouse combo port  1 x COM port  1 x IEEE1394  1 x LAN (RJ-45) port  8 x USB 2.0/1.1 ports  8-channel audio I/O ports Internal I/O 3 x U
                    
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                        Chapter 1 Product introduction  1.1 Welcome! ® Thank you for buying an ASUS P7P55-M motherboard! 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.  1.2 Package contents Check your motherboard package for the following items. Motherboard ASUS P7P55-M motherboard Cables  2 x S
                    
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                        ® Intel P55 ® The Intel P55 Express Chipset is the latest one-chipset design to  ® support the latest 1156 socket Intel Core™ i7 / Core™ i5 processors.  ® Intel P55 provides improved performance by utilizing serial point-to-point  links, allowing increased bandwidth and stability.  Dual-Channel DDR3 2200(O.C.) / 1600 / 1333 / 1066 support The motherboard supports DDR3 memory that features data transfer   rates of 2200(O.C.) / 1600 / 1333 / 1066 MHz to meet the higher  bandwidth requirements of t
                    
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                        ASUS EPU ASUS EPU is a unique power saving technology that detects the current  system loadings and adjusts the power consumption in real time. ASUS Express Gate  ASUS Express Gate is an instant-on environment that gives you quick  access to the Internet. Five seconds after powering on your computer,  ® you can instantly surf the Internet without entering the Windows OS. • ASUS Express Gate supports installation on SATA HDDs, USB HDDs and flash  drives with at least 1.2GB free disk space. When i
                    
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                        C.P.R. (CPU Parameter Recall)  The BIOS C.P.R. feature automatically restores the CPU default settings  when the system hangs due to overclocking failure. C.P.R. eliminates the  need to open the system chassis and clear the RTC data. Simply shut  down and reboot the system, and the BIOS automatically restores the  CPU parameters to their default settings. Green ASUS This motherboard and its packaging comply with the European Union’s  Restriction on the use of Hazardous Substances (RoHS). This is
                    
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                        1.4 Before you proceed Take note of the following precautions before you install motherboard components or change  any motherboard settings. • Unplug the power cord from the wall socket before touching any component. • Before handling components, use a grounded wrist strap or touch a safely grounded  object or a metal object, such as the power supply case, to avoid damaging them due to  static electricity. • Hold components by the edges to avoid touching the ICs on them. • Whenever you uninstall
                    
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                        1.5 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  orientation. The edge with external ports goes to the rear part of 
                    
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                        LGA1156 1.5.3 Motherboard layout 1 2 3 4 5 6 3 21.8cm(8.6in) KBPWR CHA_FAN KB_USB78 USBPW1-8 CPU_FAN ATX12V USB56 F_USB34 LAN1_USB12 AUDIO 7 PCIEX16 RTL 8112L P7P55-M JMB PCIEX1_1 381 ® Intel Super I/O P55 SATA1 SATA2 PCIEX1_2 Lithium Cell SATA3 SATA4 CMOS Power 16Mb BIOS CLRTC 8 PCI1 VIA SATA5 SATA6 VT1708 SB_PWR USB1314 USB1112 USB910 LPT SPDIF_OUT USBPW9-14 AAFP PANEL 15 14 13 12 11 10 1 9 1.5.4 Layout contents Connectors/Jumpers/Slots/LED Page Connectors/Jumpers/Slots/LED Page 1. USB device 
                    
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                        1.6 Central Processing Unit (CPU) ® The motherboard comes with a surface mount LGA1156 socket designed for the Intel  Core™ i7 / Core™ i5 processors. Unplug all power cables before installing the CPU. • Upon purchase of the motherboard, ensure that the PnP cap is on the socket and the  socket contacts are not bent. 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 on
                    
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                        3. Lift the load lever in the direction of the  arrow until the load plate is completely  lifted. Load plate 4. Remove the PnP cap from the CPU  socket. PnP cap 5. Position the CPU over the socket,  ensuring that the gold triangle is on the  bottom-left corner of the socket, and then  CPU notches  fit the socket alignment keys into the CPU  notches. The CPU fits in only one correct  orientation. DO NOT force the CPU  into the socket to prevent bending  Gold  the connectors on the socket and  tri
                    
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                        6. 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 Thermal Interface Material is  toxic and inedible. DO NOT eat it. If  it gets into your eyes or touches your  skin, wash it off immediately, and seek  professional medical help. 7. Close the load plate (A), and then push  B down the load lever (B), en