Biostar NF520B A2G PLUS - BIOS SETUP User manual

NF520B A2G+ BIOS Setup
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Table of Contents
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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BIOS Setup
Introduction
The purpose of this manual is to describe the settings in the Phoenix-Award™
BIOS Setup program on this motherboard. The Setup program allows users to
modify the basic system configuration and save these settings to CMOS RAM.
The power of CMOS RAM is supplied by a battery so that it retains the Setup
information when the power is turned off.
Bas ic Input-Outp ut Sys tem (BIOS) determines what a co mputer c an do without
accessing programs from a disk. This system controls most of the input and
outp ut d evices suc h as keybo ard, mouse, serial ports and d isk drives. BIOS
activates at the first stage of the booting process, loading and executing the
operating system. Some additional features, such as virus and password
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 supports the Plug and Play Vers ion 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-AWARD BIOS suppo rts Version 1.1&1.2 of the Advanced
Power Management (APM) specification. Power management features are
implemented via the System Management Interrupt (SMI). Sleep and Suspend
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 power
management and device configuration capabilit ies as defined in the ACPI
specification, developed by Microsoft, Intel and Toshiba.

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PCI Bus Support
This PHOENIX-AWARD BIOS also suppo rts Version 2.3 of the Intel PCI
(Peripheral Component Interconnect) local bus specification.
DRAM Support
DDR2 SDRAM (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, press <Enter> to
select, use the <PgUp> and <PgDn> keys to change entries, press <F1> for help
and press <Esc> to quit. The following table provides more detail about how to
navigate in the Setup program by us ing the keyboard.
Keystroke Function
Up arrow Move to previo us item
Down arrow Move to next item
Left arrow Move to the item on the left (menu bar)
Right arro w Move to the item on the right (menu bar)
Move Enter Move to the item you desired
PgUp key Increase the numeric value or make changes
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
Status Page Setup Menu and Option Page Setup Menu – Exit
Current page and return to Main Menu
F1 key General help onSetup navigation keys
F5 key Load previous values from CMOS
F7 key Load the optimized defaults
F10 key Save all the CMOS changes and exit

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1 Main Menu
Once you enter Phoenix-Award BIOS™ CMOS Setup Utility, the Main Menu
will appear on 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.
Figure 1: Main Menu
Stan dard CMO S Features
This submenu contains industry standard configurable options.
Advanced BIOS Features
This submenu allows yo u to configure advanc ed features of the BIOS.
!! WARNING !!
For better system performance, the BIOS firmware is being
continuous ly upd ated. The BIOS information described in
this manual (Figure 1, 2, 3, 4, 5, 6, 7, 8, 9) is fo r yo ur
reference only. The actual BIOS information and s ettings on
board may be slightly different from this manual.

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Advanced Chipset Features
This submenu allows you to configure special chipset features.
Integrated Peripherals
This submenu allows you to configure certain 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 sub menu allows yo u to mo nito r the hardware of your s ystem.
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
clock improp erly may d amage the CPU or M/B!)
Load Optimized Defaults
This selection allows you to reload 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 pass word will prohibit everyone except the supervisor
from making c hanges using the CMOS Setup Utility. You will be prompted with
to enter a password.

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Set User Password
If the Supervisor Pass word is not set, then the Us er Password will function in
the same way as the Supervisor Password. If the Supervisor Password is set and
the User Password is set, the “User” will only be able to view configurations but
will not be able to change them.
Save & Exit Setup
Save all configuration changes to CMOS (memory) and exit setup. Confirmation
message will bedisplayed before proceeding.
Exit Without Saving
Abandon all changes made during the current session and exit setup.
Confirmation message will be displayed before proceeding.
Upgrade BIOS
This submenu allows you to upgrade bios.

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2 Standard CMOS Features
The items in Standard CMOS Setup Menu are divided into several categories.
Eac h category includ es no, one or more than one s etup items. Use the arrow
keys to highlight the item and then use the<P gUp> or <PgDn> keys to select the
value you want in each item.
Figure 2: Standard CMOS Setup
Main Menu Selections
This table shows the items and the available options on the Main Menu.
Item Options Description
Date mm : dd : yy
Set the system date. Note
that the ‘Day’ automatically
changes when you set the
date.
Time hh : mm : ss Set the system internal
clock.
IDE Channel 0 Master Options are in its sub
menu.
Press <Enter> to enter the
sub menu of detailed
options
IDE Channel 0 Slave Options are in its sub
menu.
Press <Enter> to enter the
sub menu of detailed
options.

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Item Options Description
Drive A
360K, 5.25 in
1.2M, 5.25 in
720K, 3.5 in
1.44M, 3.5 in
2.88M, 3.5 in
None
Select the type of floppy
disk drive installed in your
system.
Video
EGA/ VG A
CGA 40
CGA 80
MONO
Select the default video
device.
Halt On
All Errors
No Errors
All, But Keyboard
All, But Diskette
All, But Disk/ Key
Select the situation in which
you want the BIOS to stop
the POST process and
notify you.
Base Memory N/A
Displays the amount of
conventional memory
detected during boot up.
Extended Memory N/A
Displays the amount of
extended memory detected
during boot up.
Total Memory N/A Displays the total memory
available in the system.

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3 Advanced BIOS Features
Figure 3: Advanced BIOS Setup
Cache Setup

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CPU Internal Cache
Depending on the CPU/chipset in use, you may be able to increase memory
access time with this opt ion.
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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Removable Device Priority
Select Removable Boot Device Priority.
The Choices: Floppy Disks, Zip100, US B-FDD0, USB-FDD1, US B-ZIP0,
USB-ZIP 1, LS120.
Hard Disk Boot Priority
The BIOS will attempt to arrange the Hard Disk boot sequence
automatically.You can change the Hard Disk booting sequence here.
The Choices: Pri. Master, Pri. Slave, Sec. Master, Sec. Slave, USBHDD0,
USBHDD1, USBHDD2, and Bootable Add-in Cards.

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CD-ROM Boot Priority
TheChoices: Pri. Master, Pri. Slave, S ec. Master, Sec. Slave, USB-CDROM0,
USB-CDROM1.
First/Second/Third Boot Device
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), Disabled
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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Virus Warning
This option allows you to choose the VIRUS Warning feature that is used to
protect the IDE Hard Disk boot sector. If this function is enabled and an attempt
is made to write to the boot sector, BIOS will display a warning message on the
screen and sound an alarm beep.
Disabled (default) Virus protection is disabled.
Enabled Virus protection is activated.
Quick Power On Self Test
Enabling this option will cause an abridged version of the Power On Self-Test
(POST) to execute after you power up the computer.
Disabled Normal POST.
Enabled (default) Enable quick POST.
Boot Up NumLock Status
Selects the NumLock State after the system switched o n.
The Choices:
On (default) Numpad is numb er keys.
Off Numpad is arrow keys.
Gate A20 Option
Select if chipset or keyboard controller should control Gate A20.
The Choices:
Normal A pin in the keyboard controller controls GateA20.
Fast (default) Lets chipset control Gate A20.
Typematic Rate Setting
When a key is held down, the keystroke will repeat at a rate determined by the
keyboard controller. When enabled, the typematic rate and typematic delay can
be configured.
The Choices: Disabled (default), Enabled.
Typematic Rate (Chars/Sec)
Sets the rate at whic h a keystroke is repeated when you ho ld the key down.
The Choices: 6 (default),8, 10, 12, 15, 20, 24, 30.
Typematic Delay (Msec)
Sets the delay time after the key is held down before it begins to repeat the
keystroke.
The Choices: 250 (default),500, 750, 1000.

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Security Option
This option will enable only individuals with passwords to bring the system
online and/or to use the CMOS Setup Utility.
System: A password is required for the system to boot and is also
required to acc ess the Setup Utility.
Setup (default): A password is required to access the Setup Utility only.
This will only apply if passwords are set from the Setup main menu.
APIC MODE
Selecting Enabled enables APIC device mode reporting from the BIOS to the
operating system.
The Choices: Enabled (default), Disabled.
MPS Version Control For OS
The BIOS supports version 1.1 and 1.4 of the Intel multiprocessor specification.
Selec t vers ion s upported by the operation sys tem running o n this co mputer.
The Choices: 1.4 (default), 1.1.
OS Select For DRAM > 64MB
A choic e other than Non-OS2 is o nly us ed for OS2 systems with memory
exceeding 64MB.
The Choices: Non-OS2 (default), OS2.
Small Logo(EPA) Show
This item allows you to select whether the “Small Logo” shows. Enabled
(default) “Small Logo” shows when system boots up. Disabled No “Small
Logo” shows when system boots
The Choices: Enabled (default), Disabled
Summary Screen Show
This item allows you to enable/disable the summary screen. Summary screen
means system configuration and PCI device listing.
The Choices: Disabled (default), Enabled.

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4 Advanced Chipset Features
This submenu allows you to configure the specific features of the chipset
installed on your system. This chipset manage bus speeds and access to system
memory resources, such as DRAM. It also coordinates communications with the
PCI bus. The default settings that came with your system have been optimized
and therefore sho uld not be changed unless you are susp icious that the settings
have been changed incorrectly.
Figure 4: Advanced Chipset Setup
PCIE / SATA Spread Spectrum
This item allows you to enable/disable the Spread Spectrum function.
The Choices: Disabled (default), Triangular Down.
HT Spread Spectrum
This item allows you to select HT Spread Spectrum function.
The choices: Disabled (default), 0.50% H.Kiss Cntr
SSE/SSE2 instruction
This item allows you to enable/disable SSE/SSE2 instruction.
The Choices: Enabled (default), Disabled.

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CPU Feature
Virtualization
Virtualization Technology can virtually separate your system resource into
several parts, thus enhance the performance when running virtual machines or
mult i interface systems.
The Choices: Enabled (default), Disabled.
AMD K8 Cool&Quiet control
The item allows you select K8 Cool’n’Quiet control.
The Choices: Auto (default), Disabled.
CPU-NB FID
The Choices: 800MHz (default), 1000MHz, 1200MHz, 1400MHz, 1600MHz,
Disabled.
CPU DID
The Choices: CPU FREQ/1 (default), CP U FREQ/2, CPU FREQ/4, CPU
FREQ/8, CPU FREQ/16.
CPU F ID
The Choices: X8: 1600MHz (default), X8.5: 1700MHz, X9: 1800MHz.
AMD CPU Stepping
The Choices: P0 (default), P1.

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System BIOS Cacheable
Selec ting the “Enabled” option allows c aching o f the s ystem BIOS ROM at
F0000h-FFFFFh, which is able to improve the system performance. However,
any programs that attempts to write to this memory block will cause conflicts
and result in s ystem errors.
The Choices: Disabled (default), Enabled.

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5 Integrated Peripherals
Figure 5. Integrated Peripherals
IDE Function Setup

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RAID Config
RAID Enable
This option allows you to enable or disable RAID function.
The Choices: Disabled (default), Enabled.
SATA 1 Primary/Secondary RAID
This option allows you to enable or disable SATA Primary/Secondary RAID.
The Choices: Disabled (default), Enabled.
On-chip IDE Channe l 0
The motherboard chipset contains a PCI IDE interface with support for two
IDE channels. Select “Enabled” to activate the first and/or second IDE interface.
Select “Disabled” to deactivate an interface if you are going to install a primary
and/or secondary add-in IDE interface.
The Choices: Enabled (default), Disabled.
Primary Master/Slave PIO
The IDE PIO (Programmed Input / Output) fields let you set a PIO mode (0-4)
for each of the IDE devices that the onboard IDE interface supports. Modes 0
to 4 will increase performance progressively. In Auto mode, the system
automatically determines the best mode for each device.
The Choices: Auto (default), Mode0, Mode1, Mode2, Mode3, Mode4.

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Primary Master/Slave UDMA
Ultra DMA function can be implemented if it is supported by the IDE hard
drives in your system. As well, your operating environment requires a DMA
driver (Windows 95 or OSR2may need a third party IDE bus master driver). If
your hard drive and your system software both support Ultra DMA, select Auto
to enable BIOS support.
The Choices: Auto (default), Disabled.
IDE DMA Transfer Access
This item allows you to enable or disable the IDE DMA transfer access.
The Choices: Enabled (default), Disabled.
Serial-ATA Controller
Enables support for Serial-ATA controller.
The Choices: All Enabled (default), Disabled
IDE Prefetch Mode
The “onboard” IDE drive interfaces supports IDE prefetch function for faster
drive access. If the interface on your drive does not support prefetching, or if
you install a primary and/or secondary add-in IDE interface, set this option to
“Disabled”.
The Choices: Enabled (default), Disabled.