The BIOS (Basic input/output system) is a set of programs that are cured in a computer CMOS RAM chip, providing the first and most direct hardware control for the computer. There are two main types of BIOS: Award BIOS and AMI BIOS. Setting the BIOS correctly can greatly improve system performance.
First part, award BIOS setup
First, enter the BIOS settings
The computer has just started and appears as a 1 screen.
Figure 1
When the Figure 1 screen appears, press the Delete (or del) key to not let go until you enter the BIOS (basic input/output system) settings, such as 2
Figure 2 (Main menu)
Is the main menu for the award BIOS setup. The top row is marked with the type of Setup program award software. There is a triangle arrow in front of the item that indicates that the item contains a submenu. There are a total of 13 items on the main menu, respectively:
Standard CMOS Features (normal CMOS function setting) sets date, time, floppy drive specifications and display type.
Advanced BIOS Features (Advanced BIOS feature setting) sets the system's high-level features.
Advanced Chipset Features (Premium chipset feature setting) sets the relevant parameters for the chipset used by the motherboard.
Integrated Peripherals (external device settings) allows the settings menu to include settings for all peripheral devices. such as sound card, Modem, USB keyboard is open ...
Power Management Setup sets the energy-saving function of the CPU, hard disk, monitor and other devices.
The PNP/PCI configurations (Plug and play/PCI parameter setting) sets the parameters of the PNP Plug and Play interface and PCI interface for ISA, which is only valid if your system supports PNP/PCI.
The Frequency/voltage control (frequency/voltage controlled) sets the multiplier of the CPU, setting whether to automatically detect the CPU frequency, etc.
Load Fail-Safe Defaults (load the safest default) Use this menu to load factory defaults as a stable system use.
Load Optimized Defaults (Load high performance defaults) Use this menu to load the best performance but have the potential to affect stable default values.
Set Supervisor Password (sets superuser password) Use this menu to set the password for the super user.
Set user Password (set user password) Use this menu to set the password.
Save & Exit Setup (exit after saving) saves the modifications to the CMOS and then exits the Setup program.
Exit without saving (do not save exit) discard the modifications to the CMOS and exit the Setup program.
Second, award BIOS setup operation method
Press the arrow key "↑, ↓, ←, →" move to the item you want to work on by pressing the "Enter" key Select this option to press the ESC key go back to the top-level menu from the submenu or skip to the exit menu by pressing "+" or "PU" key Add a value or change the selection press "-" or "PD" key Decrease the value or change the selection by pressing "F1" key theme Help, press F5 only in the Status Display menu and the Select Settings menu "Key Restore the previous CMOS setpoint from the CMOS and press the "F6" key only in the Select Settings menu load CMOS values from the failsafe default table, press the "F7" key only in the Select Settings menu Load Optimization defaults by "10" key Save the changed CMOS SetPoint and exit
How to do: on the main menu with the arrow keys to select the item to operate, and then press "Enter" Enter the submenu, in the submenu with the arrow key to select the item to be manipulated, then press "Enter" Enter enter the subkey, then use the arrow keys to select, after completion press ENTER to confirm, and finally press "F10" Key to save the changed CMOS SetPoint and exit (or press "ESC" key to return to the previous menu, return to the main menu after selecting "Save & Exit Setup", enter "Y" in the pop-up confirmation window and then carriage return, save the BIOS changes and exit the Setup program.
Three, Standard CMOS Features (CMOS function setting) Sub-menu
Select the "Standard CMOS Features" entry in the main menu and enter the "standard CMOS Features" sub-menu such as 3
There are 13 children in the "standard CMOS Features" Sub-menu:
Date (MM:DD:YY) sets the day in the computer, in the format "week, month/day/year". The week is defined by the BIOS and read-only.
Time (HH:MM:SS) sets the time in the computer, in the format "hour/minute/second".
The IDE Primary Master (first primary IDE controller) sets the primary drive model. Press PgUp or PGDN to select the hard drive type: Press Enter, Auto, or none. If the cursor moves to the "press Enter" entry, a submenu appears showing the current drive information, auto is set automatically, and none is set to no connected device.
The IDE Primary Slave (first from the IDE controller) is set from the hard drive model. Set the method reference to the previous device.
IDE Secondary Master (second primary IDE controller) sets the main drive model. Set the method reference to the previous device.
IDE Secondary Slave (second from IDE controller) is set from the optical drive model. Set the method reference to the previous device.
Drive A (floppy drive a) sets the primary floppy driver type. Available options are: none,360k,5.25in,1.2m,5.25 in,720k, 3.5 in,1.44m,3.5 in,2.88m,3.5 in. None is set to no connected device. 1.44m,3.5 in is a 3.5-inch floppy disk with a capacity of 1.44M (mostly for this specification)
Drive B (floppy disk drive B) sets the type from floppy disk drives. (Very few people have two floppy drives connected)
Video (Setting the computer's display mode) sets the type of the system's main display's card. Available options: EGA/VGA, CGA40/80, and Mono. EGA/VGA is the enhanced display mode, the EGA/VGA/SVGA/PGA color display is selected, CGA40/80 is the line display mode; Mono is monochrome monochromatic mode.
Halt on (Stop boot setting) sets whether the system stops booting when an error is encountered during system boot. Optional: All Errors detects any errors, the system stops running, waits for processing, this is the default value, no Errors detects any errors, the system does not stop running; all, but Keyboard detects any errors except keyboard errors, the system stops running; Diskette detects any errors except for disk errors, the system stops running, all, but Disk/key detects any errors except for disk and keyboard errors, the system stops running.
Base memory (Basic capacity) This entry is used to display the basic memory capacity (read-only). The PC typically retains 640KB capacity as the memory usage capacity of the MS-DOS operating system.
Extended memory (extended RAM) This entry is used to display the extended memory capacity (read-only).
Total memory This entry is used to display the total memory capacity (read-only).
Iv. Advanced BIOS Features (High level BIOS function setting) Sub-menu
Select the "Advanced BIOS Features" entry in the main menu and enter the "Advanced BIOS Features" sub-menu such as 4
Figure 4
There are 20 children in the "Advanced BIOS Features" Sub-menu:
Virus Warning (virus alarm) at system startup or after startup, if a program attempts to modify the system boot sector or hard disk partition table, the BIOS will display a warning message on the screen and beep the alarm to cause the system to pause. The setting values are: Disabled (disabled); enabled (ON).
CPU Internal cache (CPU built-in cache setting) sets whether to turn on the CPU built-in cache. The default setting is open. The setting values are: Disabled (disabled); enabled (ON).
External Cache (External cache setting) sets whether to open the external cache. The default setting is open. The setting values are: Disabled (disabled); enabled (ON).
CPU L2 Cache ECC Checking (CPU Level two cache parity) sets whether to turn on CPU level two cache parity. The default setting is open. The setting values are: Disabled (disabled); enabled (ON).
Quick Power on Self test (fast detection) sets whether the BIOS uses a fast post method, that is, how and how many times to simplify the test, which shortens the time required for the post process. Whether set to Enabled or disabled, when the post is in progress, you can still press ESC to skip the test and go directly to the boot program. Set to Disabled by default. The setting values are: Disabled (disabled); enabled (ON).
The first boot device (setting the first boot disk) sets the BIOS to search the boot device that is loaded into the operating system. The default setting is floppy (floppy drive), which is recommended when the installation system is in normal use (HDD-0). The SetPoint is: the floppy system first attempts to boot from the floppy disk drive LS120 system first attempts to boot from the LS120 HDD-0 system first attempt to boot the SCSI system from the first hard disk first attempt to boot from the SCSI CDROM system first attempt to boot from the CD-ROM drive HDD-1 The system first tries to boot the HDD-2 system from the second hard drive first try booting the HDD-3 system from the third hard drive first try booting the zip system from the four hard drives first try booting the LAN system from the ATAPI zip to first try to disable this order from the network boot disabled
Second boot Device (set second boot disk) sets the BIOS after the first boot disk boot fails, the second search loads the boot devices of the operating system. Set the method reference to the previous item.
Third boot device (set second boot disk) setting the BIOS after the second boot disk boot fails, the third search loads the boot devices of the operating system. Set the method reference to the previous item.
Boot other device (boot) sets this to enabled, allowing the system to attempt to boot from another device after booting from the first/second/third device fails. The setting values are: Disabled (disabled); enabled (ON).
Swap floppy drive (swap floppy drive letter) When this entry is set to Enabled, you can swap the drive letter for floppy A: and B:.
Boot up floppy Seek (detects floppy drive at boot) when set to Enabled, the BIOS detects the floppy drive A: Before the system boots. Depending on the boot device installed, the optional devices that appear in the "First/second/third Boot device" option are correspondingly different. For example, if your system does not have a floppy drive installed, the floppy drive settings will not appear in the Boot order menu. The setting values are: Disabled (disabled); enabled (ON).
Boot up NumLock status (initial numeric keypad lock state) This entry is used to set the keyboard on the right of the keypad to be a number or orientation state after the system starts. When set to ON, Num Lock is turned on when the system starts, and the keypad number key is active. When set to OFF, NUM LOCK is off after the system starts and the keypad arrow key is active. The setting value is: On,off.
Gate A20 option (Gate A20 selection) This is used to set the system to access more than 1MB of memory (expand memory) way. A20 refers to the front 64KB of the extended memory. When the default value of Fast is selected, GATEA20 is controlled by a specific port 92 or chipset, which can make the system faster. When set to normal, A20 is controlled by the keyboard controller or chipset hardware.
Typematic Rates Setting (type rate setting) This entry is used to control the character input rate. The settings include typematic rate (character input speed) and typematic delay (character input delay). The default value is disabled (disabled).
Typematic Rate (chars/sec) (character input speed, characters/sec) The above Typematic rates setting option is disabled, the entry is invalid; when the typematic rate setting option is enabled, You can set the speed of the keyboard acceleration (characters/sec). The setting values are: 6, 8, 10, 12, 15, 20, 24, 30.
Typematic Delay (Msec) (character input delay, milliseconds) above the typematic rate setting option is disabled, the entry is not valid; This allows you to select the delay between the first press down of the keyboard and the start of acceleration. Set values are: 250,500,750 and 1000.
Security option This entry specifies the type of protection used for the BIOS password. When setting the value to System, either power on or enter the CMOS setup to enter a password, set the value to setup when the password is required to enter the CMOS setup.
OS Select for DRAM > 64MB (sets the memory capacity used by OS2) The default value is Non-os2
Report no FDD for Win 95 (set in Win 95 with no FDD) default value No
The video BIOS Shadow (copy the BIOS to image memory) copies the BIOS to image memory to maintain the best possible state of system performance. The default is the enabled SetPoint: Disabled (Disabled); enabled (ON).
V. Advanced Chipset Features (Premium chipset feature setting) Sub-menu
Select the "Advanced Chipset Features" entry in the main menu and enter the "Advanced Chipset Features" sub-menu such as 5
Figure 5
There are 9 children in the "Advanced BIOS Features" Sub-menu:
SDRAM CAs Latency time (CAS delay period)
SDRAM Cycle Time Tras/trc ()
SDRAM Ras-to-cas Delay (sets the number of clock cycles between the CAS pulse signal and the RAS Pulse signal delay) This allows you to set the number of clock cycles that are delayed between the CAS pulse signal and the RAS pulse signal when writing to DRAM, readout, or refresh. Faster speeds can improve the performance of the system, while relatively slow speeds provide more stable system performance. This entry is only valid if the synchronized DRAM is installed in the system. The setting values are: 3 and 2 (clocks).
SDRAM RAS Precharge Time (RAS pre-charge) This is used to control the number of ticks for the RAS (Row Address Strobe) pre-charging process. If there is not enough time to accumulate power to RAS before the DRAM refreshes, the refresh process may not be completed and the DRAM will not be able to hold the data. This entry is only valid if the synchronization DRAM is installed in the system.
System BIOS cacheable (capacity of the systems cache BIOS)
Vido BIOS cacheable (video card BIOS cache capacity)
CPU Lateny Time (CPU latency setting) This entry controls whether the CPU is deferred after the command has been accepted.
The Delayed Transaction (delay transfer) chipset incorporates a 32-bit write cache that supports deferred processing clock cycles, so data exchange on the ISA bus can be cached, while the PCI bus can perform other data processing while the ISA bus is processing. If set to Enabled, the PCI 2.1 specification is compatible. The setting values are: enabled,disabled.
On-chip Vido Windows Size (memory capacity) graphics cache increase improves picture quality, but also reduces the amount of available physical memory as the price.
Vi. Integrated Peripherals (external device Settings) Sub-menu
Select the "Integrated Peripherals" entry in the main menu and enter the "Integrated Peripherals" submenu such as 6
There are 27 children in the "Integrated peripherals" sub-menu:
On-chip Primary PCI IDE (onboard first PCI slot setting) The integrated perimeter controller includes an IDE interface that supports two IDE channels. Select Enabled to activate each channel independently. The default is the enabled SetPoint: Disabled (Disabled); enabled (ON).
On-chip Primary/secondary PCI IDE (on-board second PCI slot setting) The default value for the enabled setting is: Disabled (disabled); enabled (enabled).
IDE Primary Master PIO (IDE first main PIO mode setting) Four IDE PIO (programmable input/output) entries allow you to set the PIO mode (0-4) for each IDE device supported by the onboard IDE. Patterns 0 through 4 provide incremental performance. In Auto mode, the system automatically determines the best mode for each device to work. The setting values are: Auto,mode 0,mode 1,mode 2,mode 3,mode 4.
The IDE Primary Slave PIO (IDE first set from PIO mode) is set up in the same way.
The IDE Secondary Master PIO (IDE second Master PIO mode setting) is set up in the same way.
The IDE secondary Slave PIO (IDE second from the PIO mode setting) is set up in the same way.
IDE Primary Master UDMA (IDE first main UDMA mode setting) Ultra dma/33/66/100 can only be used when your IDE hard drive supports this feature, and the operating environment includes a DMA driver (Windows OSR2 Or a third-party IDE bus control driver). If your hard drive and your system software support Ultra Dma/33,ultra DMA/66 or Ultra dma/100, select Auto to make the BIOS support valid. The setting values are: Auto (auto), Disabled (disabled).
The IDE Primary Slave UDMA (IDE first set from UDMA mode) is set up in the same way.
The IDE secondary Master UDMA (IDE second main UDMA mode setting) is set up in the same way.
The IDE secondary Slave UDMA (IDE second from the UDMA mode setting) is set up as above.
USB controllers (USB controller settings) This entry is used to control the onboard USB controller. The setting values are: enabled,disabled.
USB Keyboard Support (USB keyboard control supported) if you use a USB keyboard under an operating system that does not support USB or USB drive, such as DOS and SCO Unix, you need to set this to Enabled.
Init Display first (at boot)
AC97 Audio (sets whether to use the chipset built-in AC97 sound) This setting value applies to your own AC97 sound. If you need to use a different sound card, you need to set this value to "Disabled". The setting value is disabled (disabled); enabled (ON).
IDE HDD block mode (IDE hard block mode) blocks modes are also known as block switching, degree commands, or multi-sector read/write. If your IDE hard drive supports block mode (most new HDD support), select Enabled to automatically detect the best and block read/write numbers for each sector supported by the hard disk. The setting values are: Disabled (disabled); enabled (ON).
POWER on Function (set boot mode) when this is set to "Keyboard (keyboard)", the next item "KB Power on Password" will be activated, when this is set to "Hodkey (Hotkey)", the next item "Hot Key Power on" will be activated. You can choose the following ways to power on: button only (using the power-on button) Mouse left (mouse) Mouse right (mouse button) PassWord (password) hodkey (hotkey) Keyboard (keyboard)
KB Power on Password (set keyboard on) This is activated when the previous item "Power on Function" is set to "Keyboard (keyboard)". The default value is: Enter (you can enter the password directly).
Hot Key Power On (set Hotkey start) This will only be activated when the previous item "Power on Function" is set to "Hodkey (Hot Key)". The default value is: CTRL-F1 (use CTRL + F1 key).
Onboard FDC Controller (internal floppy drive controller) sets whether to use the built-in floppy drive controllers, the default value is: Enabled (use). The setting values are: Disabled (disabled); enabled (ON).
Onboard Serial Port 1/2 (built-in serial port setting) This entry specifies the basic I/O port address and interrupt request number for the motherboard serial port 1 (COM 1) and serial port 2 (COM 2). Select Auto to allow award to automatically determine the appropriate base I/O port address. The setting values are: Auto (auto), 3f8/irq4,2f8/irq3,3e8/com4,2e8/com3,disabled (disabled).
UART Mode Select (UART model selection)
Onboard Parallel Port (parallel port setting) This entry specifies the basic I/O port address of the onboard parallel interface. Select Auto to allow the BIOS to automatically determine the appropriate base I/O port address. The setting values are: Auto (auto), 378/irq7,278/irq5,3bc/irq7,disabled (disabled).
Parallel Port mode (parallel port model setting) This option allows you to select the operating mode of the parallel port. The setting values are: Spp,epp,ecp,ecp+epp,normal. SPP: Standard parallel port EPP: Enhanced parallel Port ECP: Extended Performance Port ECP + EPP: Extended performance Port + enhanced parallel port normal: OK
Game port address (onboard game ports) This entry is used to set the base I/O port addresses for onboard game ports. The setting values are: Disabled (disabled), 201,209.
MIDI port address (onboard MIDI ports) This entry is used to set the base I/O port addresses of the onboard MIDI ports. The setting values are: Disabled (disabled), 330,300,290.
MIDI Port IRQ (IRQ selection for MIDI ports) This entry specifies the interrupt request number for the onboard MIDI port. The setting values are: 5, 10.
Vii. Power Management Setup (Power management Settings) sub-menu
Select "Power Management Setup" from the main menu and enter the "Advanced Chipset Features" submenu such as 7
Figure 7
There are 16 subkeys in the "Power Management Setup" Sub-menu:
IPCA function (sets whether to use ACPI functionality) This entry is used to activate the ACPI (Advanced Configuration and Power management Interface) feature. If your operating system supports Acpi-aware, such as Windows 98se/2000/me, select Enabled. The setting values are: Disabled (disabled); enabled (ON).
ACPI Suspend type (ACPI pending) This option sets the power-saving mode for ACPI functionality. Optional: S1 (POS) sleep mode is a low-power state in which no system context is lost and (CPU or chipset) hardware maintains all system contexts. S3 (STR) sleep mode is a low-power state in which only the primary components are powered, such as main memory and wake-up system devices, and the system context is saved in main memory. Once a "wake up" event occurs. This information, which is stored in memory, is used to restore the system to its previous state.
Power Management This entry is used to select the type of battery saver. The default value is: User Define (Custom), the setting value is: User Define (Custom), Min saving (inactive 1 hours into the Power saving mode), Max saving (10 seconds to enter the Power saving mode).
The video off method (video off mode) sets the way that the videos are turned off. The default value is: DPMS (monitor power management). The setting values are: V/hsync+blank (turns the screen blank and stops vertical and horizontal scanning), blank screen (turns it blank), DPMS (Access monitor power management, for the BIOS control video card that supports DPMS battery saver).
Video off in Suspend (turn off the videos in suspend) The default value is Yes
Suspend type (hang type) default value Yes
Modem use IRQ (interrupt value for modems) The default value is 3
The default value for Suspend mode (hang mode) is: Disabled (disabled). Set how long the PC is not used, it enters the suspend state, the CPU operating frequency down to 0MHz, and notify the relevant provinces by the equipment to enter the state of power saving.
The HDD power down (hard drive power off mode) defaults to Disabled (disabled), set the hard drive shutdown mode timer, and when the system stops reading or writing the hard drive, the timer starts to calculate and the system shuts down the hard drive when it is outdated. Once the read-write hard command is executed, the system will start running again.
Soft-off by PWR-BTTN (soft shutdown mode) default value: Instant-off (immediate shutdown) the way you turn off your computer when you tap shut down the computer or run the shutdown command in the system. The setting values are: Instant-off (close immediately), Delay 4 sec (shutdown after 4 seconds).
The default value for Wake-up by PCI Card (set to wake with PCI chip) is disabled (disabled).
The Power Onby Ring (set to wake with modem) defaults to Enabled (adopted).
The default value for Resune by Alarm (setting whether to use timed boot) is disabled (disabled).
Primary IDE 0 (sets if the primary IDE 0 has access requirements, whether to cancel the current PC and the IDE's power saving state) The default value is disabled (disabled).
Primary IDE 1 (sets if the primary IDE 1 has access requirements, whether to cancel the current PC and the IDE's power saving state) The default value is disabled (disabled).
Secondary IDE 0 (sets whether to cancel the current power saving state of the PC and the IDE when there are access requirements from IDE 0) The default value is disabled (disabled).
Secondary IDE 1 (sets whether to cancel the current power saving state of the PC and the IDE when there are access requirements from IDE 1) The default value is disabled (disabled).
Fdd,com,lpt Port (if the floppy drive, serial port, parallel port has access requirements, whether to cancel the current PC and the IDE's power saving state) The default value is disabled (disabled).
Viii. PNP/PCI configurations (Plug and play/PCI parameter setting) submenu
Select the "PNP/PCI configurations" entry in the main menu and enter the "PNP/PCI Configurations" submenu such as 8
Figure 8
There are 4 children in the "PNP/PCI Configurations" sub-menu:
Reset configuration data (reset config) typically you should set this to disabled. If you install a new add-in card, the system is reconfigured after a serious conflict, resulting in the inability to enter the operating system, at this time set to Enabled, you can exit Setup, reset extended System Configuration Data (ESCD, Extended system Configuration Data). The setting values are: Disabled (disabled); enabled (ON).
Resource controlled by (Resource Control) award Plug and Play BIOS (Plug and Play BIOS) can automatically configure all boot devices and plug-and-play compatible devices. However, this feature is only valid if you are using a Plug and Play operating system, such as Windows 95/98. If you set this to Manual (manual), you can go to the various submenus of this item (each submenu starts with "") and manually select a specific resource. The setting values are: Auto (ESCD), Manual.
IRQ Resources (IRQ Resource) This entry is only valid when the resources controlled by is set to manual. Press the <Enter> key and you will enter the submenu. IRQ Resources lists the IRQ 3/4/5/7/9/10/11/12/14/15, which allows the user to set up each IRQ based on the type of device that uses the IRQ. The setting values are: PCI device (plug & Play compatible device for PCI bus) Reserved IRQ (will be reserved for future requests)
PCI/VGA Palette Snoop (PCI/VGA palette configuration) When set to Enabled, a variety of VGA devices working on different buses can process data from the CPU on different palettes of different video devices. The fifth bit in the command buffer in the PCI device is the VGA palette detection bit (0 is disabled). For example, if your computer has two VGA devices (one is PCI and one ISA), set the following: If any of the ISA adapter cards installed in the system require a VGA palette detection, this entry must be set to Enabled.
Ix. frequency/voltage Control (frequency/voltage Control) Sub-menu
Select the "Frequency/voltage control" key from the main menu and enter the "Frequency/voltage Control" submenu such as 9
Figure 9
There are 4 subkeys in the Frequency/voltage Control submenu:
Auto Detect dimm/pci Clk (auto-detect DIMM/PCI clock frequency) When set to Enabled, the system will automatically detect the installed DIMM memory or PCI card, then provide the clock to it, the system will shield off the free DIMM slots and the PCI slot clock signal, To reduce electromagnetic interference (EMI). The setting values are: Disabled (disabled); enabled (ON).
Spread Spectrum (frequency) when the clock oscillator generator on the motherboard is working, the extreme value (spike) of the Pulse generates EMI (electromagnetic interference). The frequency range setting function can reduce the electromagnetic interference generated by the pulse generator, so the cusp summit of the pulse wave is attenuated to a smoother curve. If you are not experiencing an electromagnetic interference problem, set this to disabled, which optimizes the performance and stability of the system. However, if you are troubled by an electromagnetic interference problem, set this to Enabled, which can reduce electromagnetic interference. Note that if you use overclocking, you must disable this entry. Because even tiny peak drift (jitter) also introduces a brief burst of clock speed, which can cause your overclocking processor to lock up. The optional options are: enabled,+/-0.25%,-0.5%,+/-0.5%,+/-0.38%.
Host CPU/DIMM/PCI Clock (CPU clocked DIMM memory/PCI clock frequency) This option specifies the CPU's front-end system bus frequency, the memory bar clock frequency, and the PCI bus frequency combination. It provides a way for users to overclock a processor. If this is set to DEFAULT,CPU, the clock frequency of the memory bar and the PCI bus will be set to the default value. The setting values are: Disabled (disabled); enabled (ON).
CPU Clock Ratio (CPU multiplier setting) for an unlocked CPU, you may want to set your CPU multiplier in this key to display normally, but if you are on the CPU on hand is a lock-frequency CPU, then you do not need to do the CPU multiplier settings, the item can be displayed normally.
BIOS Setup Illustration Tutorial-You won't understand when you're done.