Asus P5B-MX P5B-MX user's manual
Asus P5B-MX - Motherboard - Micro ATX Manual
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- Asus P5B-MX | P5B-MX user's manual - Page 1
Motherboard P5B-MX/ WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 2
express written permission of ASUSTeK COMPUTER INC. ("ASUS"). Product warranty or service will not be extended if: (1) the ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT. SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL - Asus P5B-MX | P5B-MX user's manual - Page 3
information vii P5B-MX/WiFi-AP specifications summary x Chapter 1: Product introduction 1.1 Welcome 1-2 1.2 Package contents 1-2 1.3 Special features 1-2 1.3.1 Product highlights 1-2 1.3.2 ASUS Special features 1-4 1.4 Before you proceed 1-6 1.5 Motherboard overview 1-7 1.5.1 Placement - Asus P5B-MX | P5B-MX user's manual - Page 4
BIOS setup 2.1 Managing and updating your BIOS 2-2 2.1.1 Creating a bootable floppy disk 2-2 2.1.2 ASUS EZ Flash utility 2-3 2.1.3 AFUDOS utility 2-4 2.1.4 ASUS CrashFree BIOS 2 utility 2-6 2.1.5 ASUS Update utility 2-8 2.2 BIOS setup program 2-11 2.2.1 BIOS 2-20 2.4.3 CPU Configuration 2-21 - Asus P5B-MX | P5B-MX user's manual - Page 5
Exit menu 2-34 Chapter 3: Software support 3.1 Installing an operating system 3-2 3.2 Support CD information 3-2 3.2.1 Running the support CD 3-2 3.2.2 Drivers menu 3-3 3.2.3 Utilities menu 3-4 3.2.4 ASUS Contact information 3-5 Appendix: CPU features A.1 Intel® EM64T A-2 A.2 Enhanced Intel - Asus P5B-MX | P5B-MX user's manual - Page 6
. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturer's instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation - Asus P5B-MX | P5B-MX user's manual - Page 7
Contact a qualified service technician or your retailer. Operation safety • Before installing the motherboard and adding devices on it, carefully read all the manuals that came with . • If you encounter technical problems with the product, contact a qualified service technician or your retailer. vii - Asus P5B-MX | P5B-MX user's manual - Page 8
the BIOS parameters are also provided. • Chapter 3: Software support This chapter describes the contents of the support CD that comes with the motherboard package. Where to find more information Refer to the following sources for additional information and for product and software updates. 1. ASUS - Asus P5B-MX | P5B-MX user's manual - Page 9
the following symbols used throughout this manual. DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the components when trying to complete a task. IMPORTANT: Instructions that you MUST follow to complete - Asus P5B-MX | P5B-MX user's manual - Page 10
P5B-MX/WiFi-AP specifications summary CPU Chipset System Bus Memory Expansion Slots VGA Storage LAN Audio USB ASUS Features LGA775 socket for Intel® Core™2 Extreme / Core™2 Duo / Pentium® Extreme / Pentium® D / Pentium® 4 / Celeron® D Processors Compatible with Intel® 05B/05A/06 processors - Asus P5B-MX | P5B-MX user's manual - Page 11
P5B-MX/WiFi-AP specifications summary Other Features Rear panel Internal connectors BIOS features Manageability Support CD contents Form factor ASUS Q-Fan ASUS MyLogo 2 SFS (Stepless Frequency Selection): allowing FSB tuning from 133MHz up to 400MHz at 1MHz increment ASUS C.P.R. (CPU Parameter - Asus P5B-MX | P5B-MX user's manual - Page 12
xii - Asus P5B-MX | P5B-MX user's manual - Page 13
This chapter describes the motherboard features and the new technologies it supports. 1Product introduction - Asus P5B-MX | P5B-MX user's manual - Page 14
Cables Accessories Application CD Documentation ASUS P5B-MX/WiFi-AP 1 x Ultra DMA 133/100/66 cable 1 x SATA cable 1 x SATA power cable 1 x Floppy disk drive cable I/O shield ASUS WiFi-AP Solo™ Antenna ASUS motherboard support CD User guide / ASUS WiFi-AP Solo guide If any of the above items - Asus P5B-MX | P5B-MX user's manual - Page 15
digital sound ready The motherboard supports the S/PDIF-out (SONY-PHILIPS Digtal Interface) function through the S/PDIF interface at mid-board. It allows to transfer digital audio without converting to analog format and keeps the best signal quality. See page 1-30 for details. ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 16
ROM chip. See page 2-6 for details. C.P.R. (CPU Parameter Recall) The C.P.R. feature of the motherboard BIOS allows automatic re-setting to the BIOS default settings in case the system hangs due to overclocking. When the system hangs due to overclocking, C.P.R. eliminates the need to open the system - Asus P5B-MX | P5B-MX user's manual - Page 17
the PC is in sleep mode, so users can use Skype as a true replacement for tradition long distance telephone service. WiFi-AP Solo™ is an on‑board feature, which means that users will save the extra WiFi-AP cost. (Refer to the ASUS Wi-Fi AP Solo™ user guide for details.) ASUS P5B-MX/WiFi-AP 1- - Asus P5B-MX | P5B-MX user's manual - Page 18
should 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. R P5B-MX/WiFi-AP SB_PWR ON Standby Power P5B-MX/WiFi-AP Onboard LED OFF Powered Off 1- Chapter 1: Product introduction - Asus P5B-MX | P5B-MX user's manual - Page 19
in the image below. 1.5.2 Screw holes Place six (6) screws into the holes indicated by circles to secure the motherboard to the chassis. Do not overtighten the screws! Doing so can damage the motherboard. Place this side towards the rear of the chassis R P5B-MX/WiFi-AP ASUS P5B-MX/WiFi-AP 1- - Asus P5B-MX | P5B-MX user's manual - Page 20
1.5.3 Motherboard layout PS/2KBM S T: Mouse B: Keyboard ATX12V 20.3cm (8in) COM1 LGA775 CPU_FAN Super I/O CHA_FAN R P5B-MX/WiFi-AP DDR2 DIMM_A1 (64 bit,240-pin module) DDR2 DIMM_B1 (64 bit,240-pin module) KBPWR PARALLEL PORT VGA FLOPPY 24.5cm (9.6in) PRI_IDE USB12 USBPW78 - Asus P5B-MX | P5B-MX user's manual - Page 21
25 Jumpers 1. Clear RTC RAM (3-pin CLRTC) 2. USB audio connector (4-pin CD) 7. CPU audio connector (10-1 pin AAFP) 10. ATX power connectors (24-pin EATXPWR, 4-pin ATX 12V) 11. System panel connector (20-8 pin PANEL) Page 1-30 1-30 1-31 1-32 1-33 1-33 1-34 1-35 1-35 1-36 1-37 ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 22
. ASUS will process Return Merchandise Authorization (RMA) requests only if the motherboard comes with the cap on the LGA775 socket. • The product warranty does not cover damage to the socket contacts resulting from incorrect CPU installation/removal, or misplacement/loss/ incorrect removal - Asus P5B-MX | P5B-MX user's manual - Page 23
1.6.1 Installing the CPU To install a CPU: 1. Locate the CPU socket on the motherboard. R P5B-MX/WiFi-AP P5B-MX/WiFi-AP CPU Socket 775 Before installing the CPU, make sure that are installing a CPU. 3. Lift the load lever in the direction of the arrow to a 135º angle. ASUS P5B-MX/WiFi-AP 1-11 - Asus P5B-MX | P5B-MX user's manual - Page 24
(B) until it snaps into the retention tab. 7. If installing a dual-core CPU, connect the chassis fan cable B to the chassis fan connector to ensure system stability. The motherboard supports Intel® LGA775 processors with Hyper-Threading Technology. Refer to the Appendix for more information on - Asus P5B-MX | P5B-MX user's manual - Page 25
and fan assembly such that the CPU fan cable is closest to the CPU fan connector. Narrow end of the groove Motherboard hole Fastener Make sure to orient each fastener with the narrow end of the groove pointing outward. (The photo shows the groove shaded for emphasis.) ASUS P5B-MX/WiFi-AP 1-13 - Asus P5B-MX | P5B-MX user's manual - Page 26
sequence to secure the heatsink and fan assembly in place. B A A A B B B A 3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN. CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND R P5B-MX/WiFi-AP P5B-MX/WiFi-AP CPU Fan Connector Do not forget to connect the - Asus P5B-MX | P5B-MX user's manual - Page 27
motherboard. 2. Rotate each fastener counterclockwise. 3. Pull up two fasteners at a time in a diagonal sequence to disengage the heatsink and fan assembly B from the motherboard. A A B A B B A 4. Carefully remove the heatsink and fan assembly from the motherboard. ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 28
after resetting. (The photo shows the groove shaded for emphasis.) Narrow end of the groove Refer to the documentation in the boxed or stand-alone CPU fan package for detailed information on CPU fan installation. 1-16 Chapter 1: Product introduction - Asus P5B-MX | P5B-MX user's manual - Page 29
Sockets DIMM_A1 DIMM_B1 Install a memory module in DIMM_A1 slot to support the Intel® Quiet System Technology and for optimum performance. 1.7.2 Memory configurations You may install 256 MB, 512 MB, 1 GB, 2 GB and 4 GB unbuffered non‑ECC DDR2 DIMMs into the DIMM sockets. ASUS P5B-MX/WiFi-AP 1-17 - Asus P5B-MX | P5B-MX user's manual - Page 30
support Physical Address Extension (PAE). • If you install Windows® XP 32-bit operation system, a total memory of less than 3GB is recommended. • This motherboard does not support memory the memory timing manually. There will be 4MB reduction in total memory when enabling ASUS Thermostat function - Asus P5B-MX | P5B-MX user's manual - Page 31
SS TEAM SS TEAM DS Nanya SS Hynix SS Part No. DIMM support A B E2508AB-6E-E D6408TE8WL-27 D6408TE8WL-3 • • K4T51083QC K4T56083QF-ZCE6 • VTD264M8PC6G01A164129621 • • Heat-Sink Package T2D648MT-6 T2D648PT-6 • • NT5TU64M8AE-3C HY5PS12821AFP-Y5 ASUS P5B-MX/WiFi-AP 1-19 - Asus P5B-MX | P5B-MX user's manual - Page 32
256MB 512MB 512MB 1G 512MB 256MB 512MB 512MB 512MB 1G 1G 2G 512MB 512MB 1G Vendor Model Brand Side(s) Part No. DIMM support A B Kingston KVR533D2N4/256 Elpida SS E5116AB-5C-E • • Kingston KVR533D2N4/256 Elpida SS E5116AF-5C-E • • Kingston Kingston KVR533D2N4/512 KVR533D2N4/512 Hynix - Asus P5B-MX | P5B-MX user's manual - Page 33
latest QVL. Side(s): SS - Single-sided DS - Double-sided DIMM support: A - Supports one module inserted into any slot as Single-channel memory configuration. B - Supports one pair of modules inserted into the yellow slots as one pair of Dual- channel memory configuration. ASUS P5B-MX/WiFi-AP 1-21 - Asus P5B-MX | P5B-MX user's manual - Page 34
components. Failure to do so can cause severe damage to both the motherboard and the components. To install a DIMM: 1. Unlock a DIMM socket into a socket to avoid damaging the DIMM. • The DDR2 DIMM sockets do not support DDR DIMMs. Do not install DDR DIMMs to the DDR2 DIMM sockets. 1.7.4 Removing - Asus P5B-MX | P5B-MX user's manual - Page 35
(if your motherboard is already installed drivers support "Share IRQ" or that the cards do not need IRQ assignments. Otherwise, conflicts will arise between the two PCI groups, making the system unstable and the card inoperable. Refer to the table on the next page for details. ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 36
devices. IRQ assignments for this motherboard A B C D PCI1 PCI2 PCIEX16_1 PCIEX1_1 PCIE WiFi Onboard USB controller 1 Onboard USB controller 2 Onboard USB controller 3 Onboard USB controller 4 Onboard USB 2.0 controller Onboard HD audio Onboard LAN - shared shared shared - - - - shared - Asus P5B-MX | P5B-MX user's manual - Page 37
figure shows a network card installed on the PCI Express x1 slot. 1.8.6 PCI Express x16 slot This motherboard supports PCI Express x16 graphic cards that comply with the PCI Express specifications. The figure shows a graphics card installed on the PCI Express x16 slot. ASUS P5B-MX/WiFi-AP 1-25 - Asus P5B-MX | P5B-MX user's manual - Page 38
R P5B-MX/WiFi-AP CLRTC 12 23 Normal (Default) P5B-MX/WiFi-AP Clear RTC RAM Clear RTC • You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall) feature. Shut down and reboot the system so the BIOS - Asus P5B-MX | P5B-MX user's manual - Page 39
Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU stopped, DRAM refreshed, system running in low power mode) using the connected USB setting in the BIOS. KBPWR R P5B-MX/WiFi-AP 12 23 +5V (Default) +5VSB P5B-MX/WiFi-AP Keyboard Power Setting ASUS P5B-MX/WiFi-AP 1-27 - Asus P5B-MX | P5B-MX user's manual - Page 40
other devices. 3. LAN (RJ-45) port. Supported by Realtek® Gigabit LAN controller, this port allows Gigabit connection to a Local Area Network (LAN) through a network SPEED LED LED LAN port 4. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 5. Line - Asus P5B-MX | P5B-MX user's manual - Page 41
. Serial port. This 9-pin COM1 port is for pointing devices or other serial devices. 13. PS/2 keyboard port (purple). This port is for a PS/2 keyboard. ASUS P5B-MX/WiFi-AP 1-29 - Asus P5B-MX | P5B-MX user's manual - Page 42
) This connector is for the S/PDIF audio module to allow digital sound output. Connect one end of the S/PDIF audio cable to this connector and the other end to the S/PDIF module. R P5B-MX/WiFi-AP +5V SPDIFOUT GND SPDIF_OUT P5B-MX/WiFi-AP Digital Audio Connector The S/PDIF out module is purchased - Asus P5B-MX | P5B-MX user's manual - Page 43
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. Drive device jumpers have the same setting. R P5B-MX/WiFi-AP PRI_IDE P5B-MX/WiFi-AP IDE Connector ASUS P5B-MX/WiFi-AP 1-31 - Asus P5B-MX | P5B-MX user's manual - Page 44
GND RSATA_RXP2 RSATA_RXN2 GND RSATA_TXN2 RSATA_TXP2 GND GND RSATA_RXP3 RSATA_RXN3 GND RSATA_TXN3 RSATA_TXP3 GND GND RSATA_RXP4 RSATA_RXN4 GND RSATA_TXN4 RSATA_TXP4 GND P5B-MX/WiFi-AP SATA Connectors Connect the right-angle side of SATA signal cable to SATA device. Or you may connect the right - Asus P5B-MX | P5B-MX user's manual - Page 45
comply with USB 2.0 specification that supports up to 480 Mbps connection speed. USB56 1 P5B-MX/WiFi-AP USB 2.0 Connector Never connect a 1394 cable to the USB connectors. Doing so will damage the motherboard! The USB module is purchased separately. 6. Optical drive audio connector (4-pin CD - Asus P5B-MX | P5B-MX user's manual - Page 46
the motherboard components. These are not jumpers! Do not place jumper caps on the fan connectors! CPU_FAN CPU FAN PWM CPU FAN IN CPU FAN PWR GND CHA_FAN Rotation +12V GND P5B-MX/WiFi-AP Fan Connectors Only the CPU-FAN and CHA-FAN connectors support the ASUS Advanced Q-Fan feature. R P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 47
Jack_Sense HP_L AAFP P5B-MX/WiFi-AP Front Panel Audio Connector • We recommend that you connect a high-definition front panel audio module to this connector to avail of the motherboard's high-definition audio capability. • By default, this connector is set to HD Audio. ASUS P5B-MX/WiFi-AP 1-35 - Asus P5B-MX | P5B-MX user's manual - Page 48
Ground +3 Volts P5B-MX/WiFi-AP ATX Power Connector +3 Volts Ground +5 Volts +5 Volts +5 Volts -5 Volts Ground Ground Ground PSON# Ground -12 Volts +3 Volts • For a fully configured system, we recommend that you use a power supply unit (PSU) that complies with ATX 12 V Specification 2.0 (or later - Asus P5B-MX | P5B-MX user's manual - Page 49
on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • 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 P5B-MX/WiFi-AP 1-37 - Asus P5B-MX | P5B-MX user's manual - Page 50
1-38 Chapter 1: Product introduction - Asus P5B-MX | P5B-MX user's manual - Page 51
This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. 2 BIOS setup ASUS P5B-MX/WiFi-AP 2- - Asus P5B-MX | P5B-MX user's manual - Page 52
or the motherboard support CD.) 2. ASUS AFUDOS (Updates the BIOS in DOS mode using a bootable floppy disk.) 3. ASUS CrashFree BIOS 2 (Updates the BIOS using a bootable floppy disk, or the motherboard support CD when the BIOS file fails or gets corrupted.) 4. ASUS Update (Updates the BIOS in Windows - Asus P5B-MX | P5B-MX user's manual - Page 53
! • A "Floppy not found!" error message appears if there is no floppy disk in the drive. A "P5BMXWAP.ROM not found!" error message appears if the correct BIOS file is not found in the floppy disk. Make sure that you rename the BIOS file to P5BMXWAP.ROM. ASUS P5B-MX/WiFi-AP 2- - Asus P5B-MX | P5B-MX user's manual - Page 54
BIOS screens are for reference only. The actual BIOS screen displays may not be same as shown. 1. Copy the AFUDOS utility (afudos.exe) from the motherboard support copies the current BIOS file to the floppy disk. A:\>afudos /oOLDBIOS1.rom AMI Firmware Update Utility - Version 1.19(ASUS V2.07(03.11 - Asus P5B-MX | P5B-MX user's manual - Page 55
Megatrends, Inc. All rights reserved. WARNING!! Do not turn off power during flash BIOS Reading file ....... done Reading flash ...... done Advance Check ...... Erasing flash ...... done Writing flash ...... done Verifying flash .... done Please restart your computer A:\> ASUS P5B-MX/WiFi-AP 2- - Asus P5B-MX | P5B-MX user's manual - Page 56
2 utility The ASUS CrashFree BIOS 2 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 update a corrupted BIOS file using the motherboard support CD or the floppy disk that contains the updated BIOS file. • Prepare - Asus P5B-MX | P5B-MX user's manual - Page 57
file "P5BMXWAP.ROM". Completed. Start flashing... 4. Restart the system after the utility completes the updating process. The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the ASUS website (www.asus.com) to download the latest BIOS file. ASUS P5B-MX/WiFi-AP 2- - Asus P5B-MX | P5B-MX user's manual - Page 58
BIOS file • Download the latest BIOS file from the Internet • Update the BIOS from an updated BIOS file • Update the BIOS directly from the Internet, and • View the BIOS version information. This utility is available in the support CD that comes with the motherboard package. ASUS Update requires - Asus P5B-MX | P5B-MX user's manual - Page 59
Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window appears. 2. Select Update BIOS from 3. Select the ASUS FTP site nearest the Internet option from the you to avoid network traffic, or drop‑down menu, then click Next. click Auto Select. Click Next. ASUS P5B-MX/WiFi-AP 2- - Asus P5B-MX | P5B-MX user's manual - Page 60
to download. Click Next. 5. Follow the screen instructions to complete the update process. The ASUS Update utility is capable of updating itself through the Internet. Always update the utility to avail all its features. Updating the BIOS through a BIOS file To update the BIOS through a BIOS file - Asus P5B-MX | P5B-MX user's manual - Page 61
the Exit Menu. See section "2.7 Exit Menu." • 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 (www.asus.com) to download the latest BIOS file for this motherboard. ASUS P5B-MX/WiFi-AP 2-11 - Asus P5B-MX | P5B-MX user's manual - Page 62
2.2.1 BIOS menu screen Menu items Menu bar Configuration fields General help System Time System Date Legacy Diskette A Primary IDE Master Primary IDE select items in the menu and change the settings. Some of the navigation keys differ from one screen to another. 2-12 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 63
The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main below may cause system to malfunction. Configure DRAM Timing by SPD Memory Acceleration Mode DRAM Idle Timer DRAm Refresh Rate [Enabled] [Auto] -up window Scroll bar ASUS P5B-MX/WiFi-AP 2-13 - Asus P5B-MX | P5B-MX user's manual - Page 64
screen appears, giving you an overview of the basic system information. Refer to section "2.2.1 BIOS menu screen" for information on the menu screen items and how to navigate through them. , 5.25 in.] [1.2M, 5.25 in.] [720K, 3.5 in.] [1.44M, 3.5 in.] [2.88M, 3.5 in.] 2-14 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 65
Auto] [Enabled] The BIOS automatically detects the values opposite if you are specifically configuring a supports multi-sector transfer feature. When set to [Disabled], the data transfer from and to the device occurs one sector at a time. Configuration options: [Disabled] [Auto] ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 66
the item. IDE Configuration ATA/IDE Configuration [Enhanced] Enhanced Mode Support On [S-ATA] IDE Detect Time Out (Sec) [35] Configuration [Enhanced] Configuration options: [Disabled] [Compatible] [Enhanced] Enhanced Mode Support On [S-ATA] Configuration options: [S-ATA+P-ATA] [S-ATA] [P-ATA] - Asus P5B-MX | P5B-MX user's manual - Page 67
Type : Genuine Intel(R) CPU 3.80GHz Speed : 3819MHz Count : 1 System Memory Usable Size: 256MB AMI BIOS Displays the auto-detected BIOS information. Processor Displays the auto-detected CPU specification. System Memory Displays the auto-detected system memory. ASUS P5B-MX/WiFi-AP 2-17 - Asus P5B-MX | P5B-MX user's manual - Page 68
to be stable. If the system AI Overclocking [Auto] Allows selection of CPU overclocking options to achieve desired CPU internal frequency. Select either one of the preset overclocking configuration options: Manual - allows you to individually set overclocking parameters. Auto - loads the optimal - Asus P5B-MX | P5B-MX user's manual - Page 69
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 this happens, revert to the default setting. ASUS P5B-MX/WiFi-AP 2-19 - Asus P5B-MX | P5B-MX user's manual - Page 70
to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full Speed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed] BIOS EHCI Hand-Off [Enabled] Allows you to enable support for operating systems without an EHCI hand‑off feature. Configuration options: [Disabled] [Enabled] 2-20 Chapter - Asus P5B-MX | P5B-MX user's manual - Page 71
Manual] Ratio CMOS Setting [19] Sets the ratio between the CPU Core Clock and the Front Side Bus frequency. The default value of this item is auto-detected by BIOS. Use the - keys to adjust the BIOS. C1E Support feature. Configuration options: [Disabled] [Enabled] ASUS P5B-MX/WiFi-AP 2-21 - Asus P5B-MX | P5B-MX user's manual - Page 72
4 or later CPU that supports the Enhanced Intel SpeedStep® Technology (EIST). Max CPUID Value Limit [Disabled] Enable this item to boot legacy operating systems that cannot support CPUs with extended to malfunction. North Bridge Configuration South Bridge Configuration 2-22 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 73
Video Function Configuration DVMT Mode Select DVMT/FIXED Memory [DVMT Mode] [128MB] DVMT Mode Select [DVMT Mode] Allows you to select the DVMT Mode. Configuration options: [Fixed Mode] [DVMT Mode] DVMT/FIXED Memory [128MB] Configuration options: [128MB] ASUS P5B-MX/WiFi-AP 2-23 - Asus P5B-MX | P5B-MX user's manual - Page 74
Controller [Azalia] Allows you to set the audio controller. Configuration options: [Azalia] [All Disabled] 2.4.5 Onboard Devices Configuration Configure Win627DHG-A Super IO Chipset Onboard PCIE GbE LAN [Enabled] LAN Option ROM [Disabled] Serial Port1 Address [3F8/IRQ4] Parallel Port Address - Asus P5B-MX | P5B-MX user's manual - Page 75
[ECP]. This item allows you to set the Parallel Port ECP DMA. Configuration options: [DMA0] [DMA1] [DMA3] Parallel Port IRQ [IRQ7] Configuration options: [IRQ5] [IRQ7] ASUS P5B-MX/WiFi-AP 2-25 - Asus P5B-MX | P5B-MX user's manual - Page 76
resources for either PCI/PnP or legacy ISA devices, and setting the memory size block for legacy ISA devices. Take caution when changing the settings assigned to [PCI Device] Plug and Play O/S [No] When set to [No], BIOS configures all the devices in the system. When set to [Yes] and if you - Asus P5B-MX | P5B-MX user's manual - Page 77
you to enable or disable the Advanced Configuration and Power Interface (ACPI) support in the 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] ASUS P5B-MX/WiFi-AP 2-27 - Asus P5B-MX | P5B-MX user's manual - Page 78
Devices [Disabled] When set to [Enabled], this parameter allows you to turn on the system through a PCI LAN or modem card. This feature requires an ATX power supply that provides at least 1A on the +5VSB lead. on the +5VSB lead. Configuration options: [Disabled] [Enabled] 2-28 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 79
] Allows you to use specific keys on the keyboard to motherboard, the field shows N/A. Select Ignored if you do not wish to display the detected speed. CPU Q-Fan Control [Disabled] Allows you to enable or disable the Q-Fan control. Configuration options: [Disabled] [Enabled] ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 80
chassis fan speed in rotations per minute (RPM). If the fan is not connected to the chassis, the specific field shows N/A. Select Ignored if you do not wish to display the detected speed. VCORE Voltage, 3.3V in the system. Configuration options: [xxxxx Drive] [Disabled] 2-30 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 81
to [Disabled], BIOS performs all the support for PS/2 mouse. Configuration options: [Disabled] [Enabled] [Auto] Wait for 'F1' If Error [Enabled] When set to Enabled, the system waits for the F1 key to be pressed when error occurs. Configuration options: [Disabled] [Enabled] ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 82
To clear the supervisor password, select the Change Supervisor Password then press . The message "Password Uninstalled" appears. If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section "1.9 Jumpers" for information on how to erase the RTC - Asus P5B-MX | P5B-MX user's manual - Page 83
the user password. 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 P5B-MX/WiFi-AP 2-33 - Asus P5B-MX | P5B-MX user's manual - Page 84
. If you made changes to fields other than System Date, System Time, and Password, the BIOS asks for a confirmation before exiting. Discard Changes This option allows you to discard the selections you or make other changes before saving the values to the non-volatile RAM. 2-34 Chapter 2: BIOS setup - Asus P5B-MX | P5B-MX user's manual - Page 85
This chapter describes the contents of the support CD that comes with the motherboard package. 3 Software support ASUS P5B-MX/WIFI-AP 3- - Asus P5B-MX | P5B-MX user's manual - Page 86
without notice. Visit the ASUS website(www.asus.com) for updates. 3.2.1 Running the support CD Place the support CD to the optical drive. The CD automatically displays the Drivers menu if Autorun is enabled in your computer. Click an icon to display support CD/motherboard information Click an item - Asus P5B-MX | P5B-MX user's manual - Page 87
Graphics Accelerator driver. Realtek Audio Driver Installs the Realtek audio driver and application. Attansic L1 Gigabit Ethernet Driver Installs the Attansic L1 Gigabit Ethernet driver and application. ASUS WiFi-AP Solo Installs the WiFi-AP Solo™ driver and application. ASUS P5B-MX/WIFI-AP 3- - Asus P5B-MX | P5B-MX user's manual - Page 88
software that the motherboard supports. ASUS PC Probe II This smart utility monitors the fan speed, CPU temperature, and system voltages, and alerts you of any detected problems. This utility helps you keep your computer in healthy operating condition. ASUS Update The ASUS Update utility allows you - Asus P5B-MX | P5B-MX user's manual - Page 89
3.2.4 ASUS Contact information Click the Contact tab to display the ASUS contact information. You can also find this information on the inside front cover of this user guide. ASUS P5B-MX/WIFI-AP 3- - Asus P5B-MX | P5B-MX user's manual - Page 90
3- Chapter 3: Software support - Asus P5B-MX | P5B-MX user's manual - Page 91
The Appendix describes the CPU features and technologies that the motherboard supports. A CPU features - Asus P5B-MX | P5B-MX user's manual - Page 92
compatible with Intel® Pentium® 4 LGA775 processors running on 32-bit operating systems. • The motherboard comes with a BIOS file that supports EM64T. You can download the latest BIOS file from the ASUS website (www.asus.com/support/download/) if you need to update the BIOS file. See Chapter 2 for - Asus P5B-MX | P5B-MX user's manual - Page 93
Turn on the computer, then enter the BIOS Setup. 2. Go to the Advanced Menu, highlight CPU Configuration, then press . 3. CPU internal frequency slightly decreases when the CPU loading is low. The screen displays and procedures may vary depending on the operating system. ASUS P5B-MX/WiFi-AP - Asus P5B-MX | P5B-MX user's manual - Page 94
• The motherboard supports Intel® Pentium® 4 LGA775 processors with Hyper-Threading Technology. • Hyper-Threading Technology is supported under Windows Install an Intel® Pentium® 4 CPU that supports Hyper-Threading Technology. 2. Power up the system and enter the BIOS Setup. Under the Advanced Menu,
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Motherboard
P5B-MX/
WiFi-AP