Biostar NF520B A2G PLUS BIOS SETUP
NF520B A2G+ BIOS Setup
Table of Conte nts
BIOS Setup ................................................................................................ 2
1 Main Menu ............................................................................................. 4
2 Standard CMOS Features..................................................................... 7
3 Advanced BIOS Features ...................................................................... 9
4 Advanced Chipset Features................................................................. 15
5 Integrated Peripherals......................................................................... 18
6 Power Management Setup................................................................... 24
7 PnP/PCI Configurations...................................................................... 28
8 PC Health Status .................................................................................. 31
9 Performance Booster Zone.................................................................. 34
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NF520B A2G+ BIOS Setup
BIOS Setup
Introduction
The purpose of this manual is to describe the settings in the Phoenix-Award™
BIOS Setup program on this motherboard. T he Setup program allows users to
modify the basic system configuration and save these settings to CMOS RAM.
The power of CMOS RAM is supplied b y a battery so that it retains the Setup
info rmation when the power is turned of f.
Basic Input-O utput Sys tem (BIOS) deter mine s what a co mputer c an do wit hout
accessing programs from a disk. This system controls most of the input and
outp ut de vices suc h as keyboard, mous e, serial ports and disk drives. BI OS
activates at the first stage of the booting proc ess, loading and executing the
operating system. Some additional features, such as virus and pass word
protection or chipset fine-tuning options are also included in BIOS.
The rest of this manual will to guide you through the options and settings in
BIOS Setup.
Plug and Play Support
This PHOENIX-AWARD BIOS s upports the Plug and Play Ve rsion 1. 0A
specification.
EPA Green PC Support
This PHOENIX-AWARD BIOS supports Version 1. 03 of the EPA Green PC
specification.
APM Support
This PHOENIX-AW ARD BIOS suppo rts Vers io n 1.1&1.2 of t he Advanced
Power Management (APM) specification. Power management features are
implemented via the System Management Interrupt (SMI). Sleep and Susp end
power management modes are supported. Power to the hard disk drives and
video monitors can also be managed by this PHOENIX-AWARD BIOS.
ACPI Support
Phoenix-Award ACPI BIOS support Version 1.0b of Advanced Configuration
and Power interface specification (ACPI). It provides ASL code for po wer
management and device configurat ion capabilit ies as defined in the ACPI
specification, developed by Microsoft, Intel and Toshiba.
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NF520B A2G+ BIOS Setup
PCI Bus Support
This PHOENIX-AWARD BIOS also s upports Vers ion 2.3 o f the Intel PCI
(Perip heral Component Int erco nnect) local bus specification.
DRAM Support
DDR2 S DRAM (Double Data Rate Synchronous DRAM) is supported.
Supported CPUs
This PHOENIX-AWARD BIOS supports the AMD CPU.
Using Setup
Use the arrow keys to highlight items in most of the plac e, p res s <En ter> to
select, use the <PgUp> and <PgDn> keys to change entries, press <F1> for help
and press <Esc> to quit. The following table p rovides more detail about how to
navigate in the Setup p rogram by using t he keyboard.
Keystroke Function
Up arrow Move to p revio us item
Down arrow Move to next i tem
Left arro w Move to the ite m o n the left (menu bar )
Right arrow Move to t he item on the right (menu bar)
Move Enter Move to the item you desired
PgUp key Increase the numeric value or make c hanges
PgDn key Decrease the numeric value or make changes
+ Key Increase the numeric value or make changes
- Key Decrease the numeric value or make changes
Esc key Main Menu – Quit and not save changes into CMOS
F1 key General help o n Setup navigation keys
F5 key Load previous values from CMOS
F7 key Load the optimized defaults
F10 key Save all the CMOS changes and exit
Status Page Setup Me nu and Option Page Setup Menu – Exit
Current page and return to Main Menu
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NF520B A2G+ BIOS Setup
1 Main Menu
Onc e you enter P hoenix-Award BIOS™ CMOS Setup Utility, the Main Menu
will appear o n the screen. The Main Menu allows you to select from several
setup functions. Use the arrow keys to select among the items and press <Enter>
to accept and enter the sub-menu.
!! WARNING !!
For better system performance, the BIOS firmware is being
continuously upd ated. The BIOS infor mat io n des cribed in
this manual (Figure 1, 2, 3, 4, 5, 6, 7, 8, 9) is for yo ur
reference only. The actual BIOS information and settings on
board may be slightly different from this manual.
Figure 1: Main Me nu
Standard CMOS Featu res
This submenu contains industry stand ard configurable options.
Advanced BIOS Features
This submenu allo ws yo u to conf igure ad vanc ed features of the BIOS.
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NF520B A2G+ BIOS Setup
Advanced Chipset Features
This submenu allows you to configure special chips et features.
Integrated Peripherals
This s ubmenu allo ws you to configure cert ain IDE hard drive options and
Programmed Input/ Output features.
Power Management Setup
This submenu allows you to configure the power management features.
PnP/PCI Configurations
This submenu allows you to configure certain “Plug and Play” and PCI options.
PC Health Status
This submenu allows yo u to mo n itor the hardware of your syst em.
Performance Booster Zone
This submenu allows you to change CPU Vcore Voltage and CPU/PCI clock.
(However, we suggest you to use the default setting. Changing the voltage and
cloc k improp erly may d amag e the CP U or M/B!)
Load Optimized Defaults
This selection allows you to relo ad the BIOS when problem occurs during
system booting sequence. These configurations are factory settings optimized
for this system. A confirmation message will be displayed before defaults are
set.
Set Supervisor Password
Setting the supervisor passwo rd will pro hibit everyone except the supervisor
from making changes us ing the C MOS Setup Utility. You will b e prompted with
to ent er a password.
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NF520B A2G+ BIOS Setup
Set User Password
If the Supervisor Pass word is not set, then the User Pass word will func tion in
the same way as the Supervisor Password. If the Supervisor Password is set and
the User Password is set, the “Us er” will only be able to view configurations but
will not be ab le to change them.
Save & Exit Setup
Save all configuration changes to CMOS (memory) and exit setup. Confirmation
message will be displayed before proceeding.
Exit Without Saving
Abandon all changes made during the current session and exit setup.
Confirmation message will be displayed before proceed ing.
Upgrade BIOS
This sub menu allows you to upgrade bios.
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NF520B A2G+ BIOS Setup
2 Standard CMOS Features
The items in Standard CMOS Setup Menu are divided into several categories.
Each cat egory inc lud es no, one or mor e than one s etup it ems . Us e the arro w
keys to highlight the item and t hen use the<PgUp> or <PgDn> keys to select the
value you want in each item.
Figure 2: Standard CMOS Setup
Main Menu Selec tions
This table sho ws the items and the availab le options on the Main Menu.
Item Options Description
Date mm : dd : yy
Time hh : mm : ss
IDE Channel 0 Master
IDE Channel 0 Slave
Options are in its sub
Options are in its sub
menu.
menu.
Set the system date. Note
that the ‘Day’ automatically
changes when you set the
date.
Set the system internal
clock.
Press <Enter> to enter the
sub menu of detailed
options
Press <Enter> to enter the
sub menu of detailed
options.
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NF520B A2G+ BIOS Setup
Item Options Description
360K, 5.25 in
1.2M, 5.25 in
Drive A
Video
Halt On
Base Memory N/A
Extended Memory N/A
Total Memory N/A
720K, 3.5 in
1.44M, 3.5 in
2.88M, 3.5 in
None
EGA/ VG A
CGA 40
CGA 80
MONO
All Errors
No Errors
All, But Keyboard
All, But Diskette
All, But Disk/ Key
Select the type of floppy
disk drive installed in your
system.
Select the default video
device.
Select the situation in which
you want the BIOS to stop
the POST process and
notify you.
Displays the amount of
conventional memory
detected during boot up.
Displays the amount of
extended memory detected
during boot up.
Displays the total memory
available in the system.
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NF520B A2G+ BIOS Setup
3 Advanced BIOS Features
Figure 3: Advanced BIOS Setup
Cache Setup
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NF520B A2G+ BIOS Setup
CPU Internal Cache
Depending on the CPU/chipset in use, you may be able to increase memory
ac cess time with th is opt io n.
Enabled (default) Enable cache.
Disabled Disable cache.
External Cache
This option enables or disables “Level 2” secondary cache on the CPU, which
may improve performance.
Enabled (default) Enable cache.
Disabled Disable cache.
Boot Seq & Floppy Setup
This item allows you to setup boot sequence & Floppy.
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NF520B A2G+ BIOS Setup
Removable Device Prior ity
Select Removable Boot Device Priority.
The Choices: Flop p y Disks, Zip 100, USB-FDD0, US B-F DD1 , USB-ZIP0,
USB-ZIP1, LS120.
Hard Disk Boot Priority
The BIOS will attempt to arrange the Hard Disk boot s equence
automatically.You can c hange the Hard Disk booting s equence here.
The Choices: Pri. Master, Pri. Slave, Sec. Master, Sec. Slave, USBHDD0,
USBHDD1, USBHDD2, and Bootable Add-in Cards.
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NF520B A2G+ BIOS Setup
CD-ROM Boot Priority
TheChoices: P ri. Master, Pri. Slave, S ec. Maste r, S ec. Slave, USB-CDROM0,
USB-CDROM1.
First/Second/Third Boot Dev ice
The BIOS will attempt to load the operating system in this order.
The Choices: Removable, Hard Disk, CDROM, Legacy LAN, Disabled.
Boot Other Device
When enabled, BIOS will try to load the operating system from other device
when it failed to load from the three devices above.
The Choices: Enabled (default), Disab led
Boot Up Floppy Seek
When enabled, System will test the floppy drives to determine if they have 40
or 80 tracks during boot up. Disabling this option reduces the time it takes to
boot-up.
The Choices: Enabled (default), Disabled.
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