User Manual
Page 3
Contents Notices ...iv Safety information...v About this guide...vi P5Q-EM DO specifications summary viii Chapter 1: Product introduction 1.1 Welcome!...1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 ASUS Features 1-3 1.3.3 ASUS Special Features 1-4 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 ....2 Internal connectors 1-28 Chapter 2: BIOS setup 2.1 Managing and updating your BIOS 2-1 2.1.1 Creating a bootable floppy disk 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 P5Q-EM DO.indb 1 12/9/08 12:32:28 PM
Contents Notices ...iv Safety information...v About this guide...vi P5Q-EM DO specifications summary viii Chapter 1: Product introduction 1.1 Welcome!...1-1 1.2 Package contents 1-1 1.3 Special features 1-1 1.3.1 Product highlights 1-1 1.3.2 ASUS Features 1-3 1.3.3 ASUS Special Features 1-4 1.4 Before you proceed 1-5 1.5 Motherboard overview 1-6 1.5.1 ....2 Internal connectors 1-28 Chapter 2: BIOS setup 2.1 Managing and updating your BIOS 2-1 2.1.1 Creating a bootable floppy disk 2-1 2.1.2 ASUS EZ Flash 2 utility 2-2 P5Q-EM DO.indb 1 12/9/08 12:32:28 PM
User Manual
Page 8
...ASUS contact information. 2. It also lists the hardware setup procedures that may have to the following parts: • Chapter 1: Product introduction This chapter describes the motherboard features and the new technologies it supports. Refer to change system settings through the BIOS Setup menus. vi P5Q-EM... DO.indb 6 12/9/08 12:32:37 PM It includes description of the jumpers and connectors on ASUS hardware and software products.
...ASUS contact information. 2. It also lists the hardware setup procedures that may have to the following parts: • Chapter 1: Product introduction This chapter describes the motherboard features and the new technologies it supports. Refer to change system settings through the BIOS Setup menus. vi P5Q-EM... DO.indb 6 12/9/08 12:32:37 PM It includes description of the jumpers and connectors on ASUS hardware and software products.
User Manual
Page 11
... 2.0a. FSB tuning from 200 MHz up to 1066 MHz - Noise Filter ASUS EZ DIY: - ASUS CrashFree BIOS 3 - Memory tuning from 100 MHz up to 800 MHz at 1MHz increment - P5Q-EM DO specifications summary ASUS Features ASUS Exclusive Overclocking Features Other Features BIOS Features Manageability Back Panel I /O ports 4 x USB 2.0 connectors support additional 8 USB ports 1 x Floppy disk drive...
... 2.0a. FSB tuning from 200 MHz up to 1066 MHz - Noise Filter ASUS EZ DIY: - ASUS CrashFree BIOS 3 - Memory tuning from 100 MHz up to 800 MHz at 1MHz increment - P5Q-EM DO specifications summary ASUS Features ASUS Exclusive Overclocking Features Other Features BIOS Features Manageability Back Panel I /O ports 4 x USB 2.0 connectors support additional 8 USB ports 1 x Floppy disk drive...
User Manual
Page 18
... the chassis front panel cables to launch the utility and update the BIOS without preparing a bootable diskette or using word processing applicaions. 1-4 P5Q-EM DO.indb 4 Chapter 1: Product introduction 12/9/08 12:33:09 PM ASUS EZ Flash 2 EZ Flash 2 is a user-friendly BIOS update utility. For example, users can enhance speech-centric applications like...
... the chassis front panel cables to launch the utility and update the BIOS without preparing a bootable diskette or using word processing applicaions. 1-4 P5Q-EM DO.indb 4 Chapter 1: Product introduction 12/9/08 12:33:09 PM ASUS EZ Flash 2 EZ Flash 2 is a user-friendly BIOS update utility. For example, users can enhance speech-centric applications like...
User Manual
Page 21
... SPDIF_OUT CD PCI2 CLRTC USBPW9-12 IE1394_2 USB1112 CHASSIS Intel® ICH10DO SATA2 SATA4 SATA6 SB_PWR SATA1 SATA3 SATA5 PANEL USBPW5-8 USB910 USB56 USB78 8Mb BIOS 8Mb BIOS Refer to section 1.10 Connectors for more information about rear panel connectors and internal connectors. ASUS P5Q-EM DO P5Q-EM DO.indb 7 1-7 12/9/08 12:33:16 PM
... SPDIF_OUT CD PCI2 CLRTC USBPW9-12 IE1394_2 USB1112 CHASSIS Intel® ICH10DO SATA2 SATA4 SATA6 SB_PWR SATA1 SATA3 SATA5 PANEL USBPW5-8 USB910 USB56 USB78 8Mb BIOS 8Mb BIOS Refer to section 1.10 Connectors for more information about rear panel connectors and internal connectors. ASUS P5Q-EM DO P5Q-EM DO.indb 7 1-7 12/9/08 12:33:16 PM
User Manual
Page 34
...settings. 1. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. When using PCI cards on BIOS setup. 2. Keep the screw for later use . Otherwise, conflicts will arise between the two PCI groups, making the... cover. 1.8.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for details. 1-20 P5Q-EM DO.indb 20 Chapter 1: Product introduction 12/9/08 12:34:00 PM Assign an IRQ to unplug the power cord before adding or removing...
...settings. 1. Remove the system unit cover (if your motherboard is completely seated on the system and change the necessary BIOS settings, if any. When using PCI cards on BIOS setup. 2. Keep the screw for later use . Otherwise, conflicts will arise between the two PCI groups, making the... cover. 1.8.2 Configuring an expansion card After installing the expansion card, configure it and make the necessary hardware settings for details. 1-20 P5Q-EM DO.indb 20 Chapter 1: Product introduction 12/9/08 12:34:00 PM Assign an IRQ to unplug the power cord before adding or removing...
User Manual
Page 38
...cap from pins 1-2 (default) to re- Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the ...Shut down the key during the boot process and enter BIOS setup to pins 2-3. Keep the cap on CLRTC jumper default position. CLRTC 12 23 P5Q-EM DO Normal (Default) P5Q-EM DO Clear RTC RAM Clear RTC To erase the RTC... and on the power supply or unplug and plug the power cord before rebooting the system. 1-24 P5Q-EM DO.indb 24 Chapter 1: Product introduction 12/9/08 12:34:11 PM For system failure due to ...
...cap from pins 1-2 (default) to re- Hold down and reboot the system so the BIOS can clear the CMOS memory of date, time, and system setup parameters by erasing the ...Shut down the key during the boot process and enter BIOS setup to pins 2-3. Keep the cap on CLRTC jumper default position. CLRTC 12 23 P5Q-EM DO Normal (Default) P5Q-EM DO Clear RTC RAM Clear RTC To erase the RTC... and on the power supply or unplug and plug the power cord before rebooting the system. 1-24 P5Q-EM DO.indb 24 Chapter 1: Product introduction 12/9/08 12:34:11 PM For system failure due to ...
User Manual
Page 40
Allows you to a Local Area Network (LAN) through a network hub. This port is for a VGA monitor or other audio sources. 1-26 P5Q-EM DO.indb 26 Chapter 1: Product introduction 12/9/08 12:34:18 PM LAN (RJ-45) port. This port connects the tape, CD, DVD player, ... 100 Mbps connection GREEN 1 Gbps connection ACT/LINK SPEED LED LED LAN port 7. PS/2 mouse port (green). Disable the Intel® ME function before updating BIOS. 4. 1.10 1.10.1 Connectors Rear panel connectors 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 1. Push the switch to ON/OFF labelled on the I/O Shield ...
Allows you to a Local Area Network (LAN) through a network hub. This port is for a VGA monitor or other audio sources. 1-26 P5Q-EM DO.indb 26 Chapter 1: Product introduction 12/9/08 12:34:18 PM LAN (RJ-45) port. This port connects the tape, CD, DVD player, ... 100 Mbps connection GREEN 1 Gbps connection ACT/LINK SPEED LED LED LAN port 7. PS/2 mouse port (green). Disable the Intel® ME function before updating BIOS. 4. 1.10 1.10.1 Connectors Rear panel connectors 1 2 3 4 5 6 7 8 9 10 16 15 14 13 12 11 1. Push the switch to ON/OFF labelled on the I/O Shield ...
User Manual
Page 48
...; For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with a higher power output is inadequate. 1-34 Chapter 1: Product introduction P5Q-EM DO.indb 34 12/9/08 12:34:51 PM Front panel audio connector (10-1 pin AAFP) This connector is set the Front Panel Type item... W. • Do not forget to this connector. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to fit these connectors in the BIOS setup to [HD Audio]. The power supply plugs are for details. 11. 10. Connect one orientation.
...; For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with a higher power output is inadequate. 1-34 Chapter 1: Product introduction P5Q-EM DO.indb 34 12/9/08 12:34:51 PM Front panel audio connector (10-1 pin AAFP) This connector is set the Front Panel Type item... W. • Do not forget to this connector. ATX power connectors (24-pin EATXPWR, 4-pin ATX12V) These connectors are designed to fit these connectors in the BIOS setup to [HD Audio]. The power supply plugs are for details. 11. 10. Connect one orientation.
User Manual
Page 49
... the system is for the HDD Activity LED. Connect the chassis power LED cable to this connector. The speaker allows you turn on the BIOS settings. ASUS P5Q-EM DO P5Q-EM DO.indb 35 1-35 12/9/08 12:34:52 PM The system power LED lights up or flashes when data is read from or... written to hear system beeps and warnings. • ATX power button/soft-off the system power. PWR Ground Reset Ground P5Q-EM DO IDE_LED PWRSW RESET * Requires...
... the system is for the HDD Activity LED. Connect the chassis power LED cable to this connector. The speaker allows you turn on the BIOS settings. ASUS P5Q-EM DO P5Q-EM DO.indb 35 1-35 12/9/08 12:34:52 PM The system power LED lights up or flashes when data is read from or... written to hear system beeps and warnings. • ATX power button/soft-off the system power. PWR Ground Reset Ground P5Q-EM DO IDE_LED PWRSW RESET * Requires...
User Manual
Page 51
P5Q-EM DO.indb 1 12/9/08 12:35:00 PM This chapter tells how to change Chapter 2: BIOS se2tup the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
P5Q-EM DO.indb 1 12/9/08 12:35:00 PM This chapter tells how to change Chapter 2: BIOS se2tup the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided.
User Manual
Page 52
Chapter summary 2 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-10 2.3 Main menu 2-13 2.4 Ai Tweaker menu 2-17 2.5 Advanced menu 2-21 2.6 Power menu 2-31 2.7 Boot menu 2-35 2.8 Tools menu 2-39 2.9 Exit menu 2-40 2.10 Intel® ME configuration 2-41 P5Q-EM DO.indb 2 ASUS P5Q-EM DO 12/9/08 12:35:01 PM
Chapter summary 2 2.1 Managing and updating your BIOS 2-1 2.2 BIOS setup program 2-10 2.3 Main menu 2-13 2.4 Ai Tweaker menu 2-17 2.5 Advanced menu 2-21 2.6 Power menu 2-31 2.7 Boot menu 2-35 2.8 Tools menu 2-39 2.9 Exit menu 2-40 2.10 Intel® ME configuration 2-41 P5Q-EM DO.indb 2 ASUS P5Q-EM DO 12/9/08 12:35:01 PM
User Manual
Page 53
... File from the format options field, then click Start. c. e. ASUS EZ Flash 2 (Updates the BIOS using the ASUS Update or AFUDOS utilities. 2.1.1 Creating a bootable floppy disk 1. b. Windows® XP environment a. d. ASUS P5Q-EM DO 2-1 P5Q-EM DO.indb 1 12/9/08 12:35:04 PM c. Select Create ...an MS-DOS startup disk from the menu, then select Format. Copy the original or the latest motherboard BIOS file to the floppy disk drive. Refer to...
... File from the format options field, then click Start. c. e. ASUS EZ Flash 2 (Updates the BIOS using the ASUS Update or AFUDOS utilities. 2.1.1 Creating a bootable floppy disk 1. b. Windows® XP environment a. d. ASUS P5Q-EM DO 2-1 P5Q-EM DO.indb 1 12/9/08 12:35:04 PM c. Select Create ...an MS-DOS startup disk from the menu, then select Format. Copy the original or the latest motherboard BIOS file to the floppy disk drive. Refer to...
User Manual
Page 54
..., or floppy disk with FAT 32/16 format only. • Do not shut down or reset the system while updating the BIOS to prevent system boot failure! 2-2 P5Q-EM DO.indb 2 Chapter 2: BIOS setup 12/9/08 12:35:06 PM Press + during the PowerOn Self-Test (POST). ASUSTek EZ Flash...the long process of booting from a floppy disk and using EZ Flash 2: 1. To update the BIOS using a DOS‑based utility. 2.1.2 ASUS EZ Flash 2 utility The ASUS EZ Flash 2 feature allows you to update the BIOS without having to enable it is accessible by pressing + during POST to a floppy disk or ...
..., or floppy disk with FAT 32/16 format only. • Do not shut down or reset the system while updating the BIOS to prevent system boot failure! 2-2 P5Q-EM DO.indb 2 Chapter 2: BIOS setup 12/9/08 12:35:06 PM Press + during the PowerOn Self-Test (POST). ASUSTek EZ Flash...the long process of booting from a floppy disk and using EZ Flash 2: 1. To update the BIOS using a DOS‑based utility. 2.1.2 ASUS EZ Flash 2 utility The ASUS EZ Flash 2 feature allows you to update the BIOS without having to enable it is accessible by pressing + during POST to a floppy disk or ...
User Manual
Page 55
... the main filename and three alphanumeric characters for reference only. This utility also allows you to the DOS prompt after copying the current BIOS file. Reading flash ..... ASUS P5Q-EM DO P5Q-EM DO.indb 3 2-3 12/9/08 12:35:08 PM 2.1.3 AFUDOS utility The AFUDOS utility allows you to the bootable floppy disk you created earlier...
... the main filename and three alphanumeric characters for reference only. This utility also allows you to the DOS prompt after copying the current BIOS file. Reading flash ..... ASUS P5Q-EM DO P5Q-EM DO.indb 3 2-3 12/9/08 12:35:08 PM 2.1.3 AFUDOS utility The AFUDOS utility allows you to the bootable floppy disk you created earlier...
User Manual
Page 56
... utility: 1. The utility verifies the file and starts updating the BIOS. done Please restart your computer A:\> 2-4 Chapter 2: BIOS setup P5Q-EM DO.indb 4 12/9/08 12:35:09 PM Visit the ASUS website (www.asus.com) and download the latest BIOS file for the motherboard. Save the BIOS file to prevent system boot failure! 5. A:\>afudos /iP5QEMDO.ROM 4. A:\>afudos...
... utility: 1. The utility verifies the file and starts updating the BIOS. done Please restart your computer A:\> 2-4 Chapter 2: BIOS setup P5Q-EM DO.indb 4 12/9/08 12:35:09 PM Visit the ASUS website (www.asus.com) and download the latest BIOS file for the motherboard. Save the BIOS file to prevent system boot failure! 5. A:\>afudos /iP5QEMDO.ROM 4. A:\>afudos...
User Manual
Page 57
... is an auto recovery tool that you to restore the BIOS file when it fails or gets corrupted during the updating process. Bad BIOS checksum. Starting BIOS recovery... Bad BIOS checksum. ASUS P5Q-EM DO P5Q-EM DO.indb 5 2-5 12/9/08 12:35:09 PM 2.1.4 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is connected to the onboard VGA connector, the display monitor...
... is an auto recovery tool that you to restore the BIOS file when it fails or gets corrupted during the updating process. Bad BIOS checksum. Starting BIOS recovery... Bad BIOS checksum. ASUS P5Q-EM DO P5Q-EM DO.indb 5 2-5 12/9/08 12:35:09 PM 2.1.4 ASUS CrashFree BIOS 3 utility The ASUS CrashFree BIOS 3 is connected to the onboard VGA connector, the display monitor...
User Manual
Page 58
... cause system boot failure! 2-6 P5Q-EM DO.indb 6 Chapter 2: BIOS setup 12/9/08 12:35:10 PM Checking for CD-ROM... Bad BIOS checksum. Recovering the BIOS from the USB flash disk To recover the BIOS from the floppy disk drive, then turn on the system. 3. Doing so can support ASUS CrashFree BIOS 3. Remove any floppy disk from...
... cause system boot failure! 2-6 P5Q-EM DO.indb 6 Chapter 2: BIOS setup 12/9/08 12:35:10 PM Checking for CD-ROM... Bad BIOS checksum. Recovering the BIOS from the USB flash disk To recover the BIOS from the floppy disk drive, then turn on the system. 3. Doing so can support ASUS CrashFree BIOS 3. Remove any floppy disk from...
User Manual
Page 59
... an Internet connection either through the Internet: 1. Launch the ASUS Update utility from the Internet, and • View the BIOS version information. ASUS P5Q-EM DO P5Q-EM DO.indb 7 2-7 12/9/08 12:35:13 PM The ASUS Update main window appears. This utility is available in the support DVD that... allows you to manage, save, and update the motherboard BIOS in the optical drive. Place...
... an Internet connection either through the Internet: 1. Launch the ASUS Update utility from the Internet, and • View the BIOS version information. ASUS P5Q-EM DO P5Q-EM DO.indb 7 2-7 12/9/08 12:35:13 PM The ASUS Update main window appears. This utility is available in the support DVD that... allows you to manage, save, and update the motherboard BIOS in the optical drive. Place...
User Manual
Page 60
Click Next. 4. Click Next. 5. Select Update BIOS from the Internet option from the drop‑down menu, then click Next. 3. Select the ASUS FTP site nearest you wish to avoid network traffic, or click Auto Select. From the FTP site, select the BIOS version that you to download. Follow the screen instructions to avail all its features. 2-8 P5Q-EM DO.indb 8 Chapter 2: BIOS setup 12/9/08 12:35:17 PM Always update the utility to complete the update process. The ASUS Update utility is capable of updating itself through the Internet. 2.
Click Next. 4. Click Next. 5. Select Update BIOS from the Internet option from the drop‑down menu, then click Next. 3. Select the ASUS FTP site nearest you wish to avoid network traffic, or click Auto Select. From the FTP site, select the BIOS version that you to download. Follow the screen instructions to avail all its features. 2-8 P5Q-EM DO.indb 8 Chapter 2: BIOS setup 12/9/08 12:35:17 PM Always update the utility to complete the update process. The ASUS Update utility is capable of updating itself through the Internet. 2.