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.
Chapter 1: Product introduction Chapter 1: Product introduction Special features ..............1-2 1.1.1 Product highlights ........... 1-2 1.1.2 Innovative ASUS features ........1-4 Before you proceed .............. 1-5 Motherboard overview ............1-6 1.3.1 Motherboard layout ..........1-6 1.3.2 Placement direction ..........1-7 1.3.3...
Page 4
Chapter 2: BIOS setup 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 Update utility ..........2-6 BIOS setup program ............. 2-8 2.2.1...
Page 5
Contents Power menu ................ 2-26 2.5.1 ACPI Aware O/S ............ 2-26 2.5.2 Suspend Mode ............2-26 2.5.3 ACPI 2.0 Support ..........2-26 2.5.4 ACPI APIC Support ..........2-27 2.5.5 APM Configuration ..........2-27 2.5.6 Hardware Monitor ..........2-28 Boot menu ................2-30 2.6.1 Boot Device Priority ..........
Notices Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement Federal Communications Commission Statement 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 •...
Safety information Electrical safety Electrical safety Electrical safety Electrical safety Electrical safety • To prevent electrical shock hazard, disconnect the power cable from the electrical 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.
A8N-VM/NBP specifications summary C P U C P U C P U C P U C P U Socket 939 for AMD Athlon™ 64FX/Athlon™ 64 X2/ Athlon™ 64 processors Supports AMD Cool ‘n’ Quiet™ Technology C h i p s e t C h i p s e t C h i p s e t C h i p s e t...
Page 9
ASUS EZ Flash N o t e : N o t e : N o t e : ASUS EZ Flash only support VGA/RGB output. N o t e : N o t e : B I O S f e a t u r e s...
Special features 1.1.1 1.1.1 1.1.1 1.1.1 1.1.1 Product highlights Product highlights Product highlights Product highlights Product highlights Latest processor technology Latest processor technology Latest processor technology Latest processor technology Latest processor technology The motherboard comes with a 939-pin surface mount, Zero Insertion Force (ZIF) socket that supports AMD Athlon™...
Page 13
Serial ATA II technology Serial ATA II technology Serial ATA II technology Serial ATA II technology Serial ATA II technology The motherboard supports the Serial ATA 3 Gb/s technology through the Serial ATA interfaces and the NVIDIA ® nForce™430 MCP Southbridge. The Serial ATA II 3 Gb/s specification provides twice the bandwidth of the current Serial ATA products with a host of new features, including Native Command Queueing (NCQ), and Power Management (PM) Implementation...
ASUS EZ Flash BIOS ASUS EZ Flash BIOS With the ASUS EZ Flash, you can easily update the system BIOS even before loading the operating system. No need to use a DOS-based utility or boot from a floppy disk. See page 2-3 for details.
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. • Use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, before handling components to avoid damaging them due to static electricity •...
1.3.2 1.3.2 1.3.2 Placement direction Placement direction Placement direction 1.3.2 1.3.2 Placement direction Placement direction When installing the motherboard, make sure that you place it into the chassis in the correct orientation. The edge with external ports goes to the rear part of the chassis as indicated in the image below.
Central Processing Unit (CPU) The motherboard comes with a surface mount 939-pin Zero Insertion Force (ZIF) socket designed for the AMD Athlon™ 64FX/AMD Athlon™ 64 / Athlon™ 64 X2 processor. The 128-bit-wide data paths of these processors can run applications faster than processors with only 32-bit or 64-bit wide data paths.
Page 19
Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangle. Carefully insert the CPU into the socket until it fits in place. S m a l l t r i a n g l e S m a l l t r i a n g l e S m a l l t r i a n g l e S m a l l t r i a n g l e...
System memory 1.5.1 1.5.1 1.5.1 Overview Overview Overview 1.5.1 1.5.1 Overview Overview The motherboard comes with four 184-pin Double Data Rate (DDR) Dual Inline Memory Modules (DIMM) sockets. The following figure illustrates the location of the sockets: ® A8N-VM 184-pin DDR DIMM sockets C h a n n e l C h a n n e l C h a n n e l...
Page 21
Recommended memory configurations Recommended memory configurations Recommended memory configurations Recommended memory configurations Recommended memory configurations S o c k e t s S o c k e t s S o c k e t s S o c k e t s S o c k e t s M o d e M o d e...
1.5.3 1.5.3 1.5.3 1.5.3 1.5.3 Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Installing a DIMM Make sure to unplug the power supply before adding or removing DIMMs or other system components. Failure to do so may cause severe damage to both the motherboard and the components.
Expansion slots In the future, you may need to install expansion cards. The following sub-sections describe the slots and the expansion cards that they support. Make sure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and damage motherboard components.
Page 24
Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments Standard interrupt assignments I R Q I R Q I R Q I R Q I R Q P r i o r i t y P r i o r i t y P r i o r i t y P r i o r i t y P r i o r i t y...
1.6.3 1.6.3 1.6.3 1.6.3 1.6.3 PCI slots PCI slots PCI slots PCI slots PCI slots The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specifications. The figure shows a LAN card installed on a PCI slot.
Jumpers 1 . 1 . C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C ) C l e a r R T C R A M ( C L R T C )
Page 27
2 . 2 . U S B d e v i c e w a k e - u p ( 3 - p i n U S B P W 1 2 , U S B P W 3 4 , U S B d e v i c e w a k e - u p ( 3 - p i n U S B P W 1 2 , U S B P W 3 4 , U S B d e v i c e w a k e - u p ( 3 - p i n U S B P W 1 2 , U S B P W 3 4 , U S B d e v i c e w a k e - u p ( 3 - p i n U S B P W 1 2 , U S B P W 3 4 ,...
Page 28
3 . 3 . K e y b o a r d p o w e r ( 3 - p i n K B P W R ) K e y b o a r d p o w e r ( 3 - p i n K B P W R ) K e y b o a r d p o w e r ( 3 - p i n K B P W R ) K e y b o a r d p o w e r ( 3 - p i n K B P W R ) K e y b o a r d p o w e r ( 3 - p i n K B P W R )
Connectors 1.8.1 1.8.1 1.8.1 Rear panel connectors Rear panel connectors Rear panel connectors 1.8.1 1.8.1 Rear panel connectors Rear panel connectors 1 . 1 . P S / 2 m o u s e p o r t ( g r e e n ) . P S / 2 m o u s e p o r t ( g r e e n ) .
Page 30
Refer to the audio configuration table for the function of the audio ports in 2, 4, or 6,-channel configuration. Audio 2, 4, or 6-channel configuration Audio 2, 4, or 6-channel configuration Audio 2, 4, or 6-channel configuration Audio 2, 4, or 6-channel configuration Audio 2, 4, or 6-channel configuration P o r t P o r t...
1.8.2 1.8.2 1.8.2 1.8.2 1.8.2 Internal connectors Internal connectors Internal connectors Internal connectors Internal connectors 1 . 1 . F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y ) F l o p p y d i s k d r i v e c o n n e c t o r ( 3 4 - 1 p i n F L O P P Y )
Page 32
3 . 3 . I D E c o n n e c t o r s ( 4 0 - 1 p i n P R I _ I D E , 4 0 - 1 p i n S E C _ I D E ) I D E c o n n e c t o r s ( 4 0 - 1 p i n P R I _ I D E , 4 0 - 1 p i n S E C _ I D E ) I D E c o n n e c t o r s ( 4 0 - 1 p i n P R I _ I D E , 4 0 - 1 p i n S E C _ I D E ) I D E c o n n e c t o r s ( 4 0 - 1 p i n P R I _ I D E , 4 0 - 1 p i n S E C _ I D E )
Page 33
4 . 4 . S e r i a l A T A c o n n e c t o r s S e r i a l A T A c o n n e c t o r s S e r i a l A T A c o n n e c t o r s S e r i a l A T A c o n n e c t o r s S e r i a l A T A c o n n e c t o r s...
Page 34
5 . 5 . C P U a n d C h a s s i s f a n c o n n e c t o r s C P U a n d C h a s s i s f a n c o n n e c t o r s C P U a n d C h a s s i s f a n c o n n e c t o r s C P U a n d C h a s s i s f a n c o n n e c t o r s C P U a n d C h a s s i s f a n c o n n e c t o r s...
Page 35
7 . 7 . U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 ) U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 ) U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 ) U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 ) U S B c o n n e c t o r s ( 1 0 - 1 p i n U S B 5 6 , U S B 7 8 )
Page 36
9 . 9 . I E E E 1 3 9 4 a c o n n e c t o r ( 1 0 - 1 p i n I E 1 3 9 4 _ 1 [ o r a n g e ] ) I E E E 1 3 9 4 a c o n n e c t o r ( 1 0 - 1 p i n I E 1 3 9 4 _ 1 [ o r a n g e ] ) I E E E 1 3 9 4 a c o n n e c t o r ( 1 0 - 1 p i n I E 1 3 9 4 _ 1 [ o r a n g e ] ) I E E E 1 3 9 4 a c o n n e c t o r ( 1 0 - 1 p i n I E 1 3 9 4 _ 1 [ o r a n g e ] )
Page 37
1 1 . 1 1 . 1 1 . F r o n t p a n e l a u d i o c o n n e c t o r ( 1 0 - 1 p i n A A F P ) F r o n t p a n e l a u d i o c o n n e c t o r ( 1 0 - 1 p i n A A F P ) F r o n t p a n e l a u d i o c o n n e c t o r ( 1 0 - 1 p i n A A F P ) F r o n t p a n e l a u d i o c o n n e c t o r ( 1 0 - 1 p i n A A F P )
Page 38
1 3 . 1 3 . 1 3 . A T X p o w e r c o n n e c t o r s ( 2 4 - p i n E A T X P W R , 4 - p i n A T X 1 2 V ) 1 3 .
1 4 . 1 4 . 1 4 . S y s t e m p a n e l c o n n e c t o r ( 2 0 - 1 p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 2 0 - 1 p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 2 0 - 1 p i n P A N E L ) S y s t e m p a n e l c o n n e c t o r ( 2 0 - 1 p i n P A N E L )
Page 40
1 - 3 0 1 - 3 0 1 - 3 0 1 - 3 0 1 - 3 0 C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n C h a p t e r 1 : P r o d u c t i n t r o d u c t i o n...
Page 41
This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also provided. BIOS setup...
A S U S E Z F l a s h A S U S E Z F l a s h (Updates the BIOS using a floppy disk during POST.) ASUS EZ Flash only support VGA/RGB output. These utilities do not support VGA/DVI-D output.
ASUS EZ Flash utility ASUS EZ Flash utility The ASUS EZ Flash feature allows you to update the BIOS without having to go through the long process of booting from a floppy disk and using a DOS-based utility. The EZ Flash utility is built-in the BIOS chip so it is accessible by pressing <Alt>...
2.1.3 2.1.3 2.1.3 2.1.3 2.1.3 AFUDOS utility AFUDOS utility AFUDOS utility AFUDOS utility AFUDOS utility The AFUDOS utility allows you to update the BIOS file in DOS environment using a bootable floppy disk with the updated BIOS file. This utility also allows you to copy the current BIOS file that you can use as backup when the BIOS fails or gets corrupted during the updating process.
Page 45
Updating the BIOS file Updating the BIOS file Updating the BIOS file Updating the BIOS file Updating the BIOS file To update the BIOS file using the AFUDOS utility: Visit the system builder website and download the latest BIOS file for the motherboard.
ASUS Update utility ASUS Update utility ASUS Update utility ASUS Update utility The ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows ® environment. The ASUS Update utility allows you to: •...
Page 47
A S U S U p d a t e A S U S U p d a t e A S U S U p d a t e. The ASUS Update main window appears. A S U S U p d a t e...
BIOS setup program This motherboard supports a programmable firmware chip that you can update using the provided utility described in section “ 2.1 Managing and updating your BIOS.” Use the BIOS Setup program when you are installing a motherboard, reconfiguring your system, or prompted to “Run Setup.” This section explains how to configure your system using this utility.
[Mon 08/29/2005] a field. Legacy Diskette A [1.44M, 3.5 in] Primary IDE Master [ST320410A] Use [+] or [-] to Primary IDE Slave [ASUS CD-S520/A] configure the System Secondary IDE Master [Not Detected] Time. Secondary IDE Slave [Not Detected] First SATA...
M a i n shows the Main menu items. M a i n M a i n M a i n Select Screen Primary IDE Slave [ASUS CD-S520/A] Select Item Secondary IDE Master [Not Detected] Enter Go to Sub Screen Secondary IDE Slave [Not Detected] Select Field...
[Mon 08/29/2005] a field. Legacy Diskette A [1.44M, 3.5 in] Primary IDE Master [ST320410A] Use [+] or [-] to Primary IDE Slave [ASUS CD-S520/A] configure the System Secondary IDE Master [Not Detected] Time. Secondary IDE Slave [Not Detected] First SATA...
2.3.4 2.3.4 2.3.4 2.3.4 2.3.4 Primary and Secondary IDE Master/Slave; Primary and Secondary IDE Master/Slave; Primary and Secondary IDE Master/Slave; Primary and Secondary IDE Master/Slave; Primary and Secondary IDE Master/Slave; First, Second, Third, and Fourth SATA First, Second, Third, and Fourth SATA First, Second, Third, and Fourth SATA First, Second, Third, and Fourth SATA First, Second, Third, and Fourth SATA...
2.3.6 2.3.6 2.3.6 2.3.6 2.3.6 System Information System Information System Information System Information System Information This menu gives you an overview of the general system specifications. The BIOS automatically detects the items in this menu. BIOS SETUP UTILITY Main AMIBIOS Version : 0110 Build Date : 09/04/05...
Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Take caution when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction. BIOS SETUP UTILITY Main Advanced Power...
2.4.2 2.4.2 2.4.2 2.4.2 2.4.2 CPU Configuration CPU Configuration CPU Configuration CPU Configuration CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. BIOS SETUP UTILITY Advanced CPU Configuration This option should Module Version: 14.08 remain disabled for the Physical Count: 1 normal operation.
Northbridge Configuration Northbridge Configuration Northbridge Configuration Northbridge Configuration Northbridge Configuration BIOS SETUP UTILITY Advanced Northbridge Chipset Configuration Memory Configuration NvigpBridge/C51PV Configuration v02.58 (C)Copyright 1985-2004, American Megatrends, Inc. Memory Configuration BIOS SETUP UTILITY Advanced Memory Configuration MEMCLK can be set by the code using AUTO, or if you use LIMIT, Memclock Mode...
Page 58
M e m c l o c k M o d e [ A u t o ] M e m c l o c k M o d e [ A u t o ] M e m c l o c k M o d e [ A u t o ] M e m c l o c k M o d e [ A u t o ] M e m c l o c k M o d e [ A u t o ] [Auto] allows the BIOS to set the memclock mode automatically.
Page 59
R e a d P r e a m b l e [ 9 . 5 n s ] R e a d P r e a m b l e [ 9 . 5 n s ] R e a d P r e a m b l e [ 9 . 5 n s ] R e a d P r e a m b l e [ 9 .
Page 60
V G A O P T I O N [ A u t o ] V G A O P T I O N [ A u t o ] V G A O P T I O N [ A u t o ] V G A O P T I O N [ A u t o ] V G A O P T I O N [ A u t o ] P r i m a r y G r a p h i c s A d a p t e r [ P C I - >...
Page 61
Hyper Transport Configuration Hyper Transport Configuration Hyper Transport Configuration Hyper Transport Configuration Hyper Transport Configuration BIOS Setup Utility Advanced Hyper Transport Geforce Configuration LDT (K8) to Geforce frequency selection. LDT to Geforce (NB) Frequency [Auto] LDT to Geforce (NB) Frequency [Auto] Hyper Transport Nforce Configuration Nforce to NVIDIA Frequency...
USB 1.1 Controller [Enabled] USB 1.1 Controller [Enabled] USB 1.1 Controller [Enabled] USB 1.1 Controller [Enabled] USB 1.1 Controller [Enabled] Allows you to enable or disable the USB 1.1 controller. Configuration options: [Disabled] [Enabled] USB 2.0 USB 2.0 USB 2.0 Controller [Enabled] Controller [Enabled] Controller [Enabled] Controller [Enabled]...
The following items will shown when TCG/TPM device support set to [Yes]. Soft. Physical [No] Soft. Physical [No] Soft. Physical [No] Soft. Physical [No] Soft. Physical [No] Allows you to enable or disable software indication of physical presence. Configuration options: [No] [Yes] TPM status reset [Don’t change] TPM status reset [Don’t change] TPM status reset [Don’t change]...
2.5.4 2.5.4 2.5.4 2.5.4 2.5.4 ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] ACPI APIC Support [Enabled] Allows you to enable or disable the Advanced Configuration and Power Interface (ACPI) support in the Advanced Programmable Interrupt Controller (APIC).
Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Keyboard [Disabled] Power On By PS/2 Keyboard [Disabled] When set to [Enabled], this parameter allows you to use the PS/2 keyboard to turn on the system.
Page 69
CPU Q-Fan Control [Disabled] CPU Q-Fan Control [Disabled] CPU Q-Fan Control [Disabled] Allows you to enable or disable the ASUS Q-Fan feature that smartly adjusts the fan speeds for more efficient system operation. Configuration options: [Disabled] [Enabled] CPU Target Temperature [XXXºC] CPU Target Temperature [XXXºC]...
Specifies the boot sequence from the 1st Boot Device [1st FLOPPY DRIVE] availabe devices. 2nd Boot Device [HDD:PM-ST320410A] 3rd Boot Device [ATAPI CD-ROM:PS-ASUS CD-S520/A] A device enclosed in parenthesis has been disabled in the corresponding menu. Select Screen Select Item Change Option...
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. Add On ROM Display Mode [Force BIOS] Add On ROM Display Mode [Force BIOS]...
Hit ‘DEL’ Message Display [Enabled] Hit ‘DEL’ Message Display [Enabled] Hit ‘DEL’ Message Display [Enabled] Hit ‘DEL’ Message Display [Enabled] Hit ‘DEL’ Message Display [Enabled] When set to Enabled, the system displays the message “Press DEL to run Setup” during POST. Configuration options: [Disabled] [Enabled] Interrupt 19 Capture [Disabled] Interrupt 19 Capture [Disabled] Interrupt 19 Capture [Disabled]...
Page 73
To clear the supervisor password, select the Change Supervisor Password then press <Enter>. 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 RAM.
To set a User Password: Select the Change User Password item and press <Enter>. On the password box that appears, type a password composed of at least six letters and/or numbers, then press <Enter>. Confirm the password when prompted. The message “Password Installed” appears after you set your password successfully.
Page 75
Exit & Save Changes Exit & Save Changes Exit & Save Changes Exit & Save Changes Exit & Save Changes Once you are finished making your selections, choose this option from the Exit menu to ensure the values you selected are saved to the CMOS RAM. An onboard backup battery sustains the CMOS RAM so it stays on even when the PC is turned off.
Page 76
2 - 3 6 2 - 3 6 2 - 3 6 2 - 3 6 2 - 3 6 C h a p t e r 2 : B I O S s e t u p C h a p t e r 2 : B I O S s e t u p C h a p t e r 2 : B I O S s e t u p C h a p t e r 2 : B I O S s e t u p C h a p t e r 2 : B I O S s e t u p...
Need help?
Do you have a question about the A8N-VM CSM NBP and is the answer not in the manual?
Questions and answers