MSI P4m900m3l Manual

3-15 BIOS Setup Power Button Mode
This feature allows users to configure the Power Button function. Settings are:
[Power Off]The power button functions as a normal power-on/-off button.
[Suspend]When you press the power button, the computer enters the
suspend/sleep mode, but if the button is pressed for more
than four seconds, the computer is turned off.  Restore on AC/Power Loss
This setting specifies whether your system will reboot after a power failure or
interrupt occurs. Available settings are:...

MS-7255 Mainboard
3-16PNP/PCI Resource Management Clear NVRAM
The NVRAM (Non-volatile Random Access Memory) is where the BIOS stores re-
source information for both PNP and non-PNP devices in a bit string format. When the
item is set to [Yes], the system will reset NVRAM right after the system is booted up
and then set the setting of the item back to [No] automatically. PCI Latency Timer
This item controls how long each PCI device can hold the bus before another takes
over. When set to higher values,...

3-17 BIOS Setup IRQ Resources Setup
The items are adjustable only when Resources Controlled By is set to Manual.
Press  and you will enter the sub-menu of the items. IRQ Resources list IRQ
3/4/5/7/9/10/11/12/14/15 for users to set each IRQ a type depending on the type of
device using the IRQ. Settings are:
AvailableFor Plug & Play compatible devices designed for PCI bus
architecture.
ReservedThe IRQ will be reserved for further request. DMA Resources Setup
Press  and you will enter the sub-menu of the...

MS-7255 Mainboard
3-18H/W MonitorThis section shows the status of your CPU, fan, overall system status, etc. Monitor
function is available only if there is hardware monitoring mechanism onboard. CPU Shutdown Temperature
If the CPU temperature reaches the upper limit preset in this setting, the system will be
shut down automatically. This helps you to prevent the CPU overheating problem.
This item is available only when your OS supports this function, such as Windows
ME/XP. Chassis Intrusion
The field...

3-19 BIOS SetupCell MenuThe items here includes some important settings of CPU and PCI functions. Adjust DDR Voltage (V)
Adjusting the DDR voltage can increase the DDR speed.  Any changes made to this
setting may cause a stability issue, so changing the DDR voltage for long-term
purpose is NOT recommended. Adjust NB Voltage (V)
NorthBridge voltage is adjustable in the field, allowing you to increase the perfor-
mance of your NorthBridge when overclocking, but stability may be affected.Important
Change...

MS-7255 Mainboard
3-20 Spread Spectrum
When the motherboard’s clock generator pulses, the extreme values (spikes) of the
pulses creates EMI (Electromagnetic Interference). The Spread Spectrum function
reduces the EMI generated by modulating the pulses so that the spikes of the pulses
are reduced to flatter curves. If you do not have any EMI problem, leave the setting at
[Disabled] for optimal system stability and performance. But if you are plagued by EMI,
select the desired range for EMI reduction....

3-21 BIOS SetupLoad Optimized Defaults
The two options on the main menu allow users to restore all of the BIOS settings to
the default Fail-Safe or Optimized values. The Optimized Defaults are the default
values set by the mainboard manufacturer specifically for optimal performance of the
mainboard. The Fail-Safe Defaults are the default values set by the BIOS vendor for
stable system performance.
When you select Load Fail-Safe Defaults, a message as below appears:Pressing Y loads the BIOS default values...

MS-7255 Mainboard
3-22BIOS Setting Password
When you select this function, a message as below will appear on the screen:Type the password, up to 6 characters in length, and press . The password
typed now will replace any previously set password from CMOS memory. You will be
prompted to confirm the password. Retype the password and press . You
may also press  to abort the selection and not enter a password.
To clear a set password, just press  when you are prompted to enter the
password. A message will...

Appendix. Using 4- or 6-Channel
Audio Function Chapter 5. nVidia RAID Intro-
ductionThe Southbridge VT8237 provides a hybrid solution that combines two
independent SATA ports for support of up to two Serial ATA (Serial ATA
RAID) drives.
Serial ATA (SATA) is the latest generation of the ATA interface. SATA
hard drives deliver blistering transfer speeds of up to 150MB/sec.
Serial ATA uses long, thin cables, making it easier to connect your drive
and improving the airflow inside your PC.
The key features of...

MS-7255 Mainboard
A-2Introduction
This section gives a brief introduction on the RAID-related background knowledge and
a brief introduction on VIA SATA RAID Host Controller.  For users wishing to install their
VIA SATA RAID driver and RAID software, proceed to Driver and RAID Software
Installation section.
RAID Basics
RAID (Redundant Array of Independent Disks) is a method of combining two or more
hard disk drives into one logical unit. The advantage of an Array is to provide better
performance or data...