features of bios

Hello. Some folks like the NumLock on their keyboard activated when Windows starts, while others want it disabled. Out of all the different types of system memory, the random access memory, better known as RAM, takes the longest to be checked. Otherwise, the right half of the keyboard will act as the numeric keypad. For example, if you have header names FAN_1, FAN_2, and FAN_3, these should correspond to Fan 1, Fan 2, and Fan 3 in the BIOS respectively. It's a waste of time and a noise maker. : CPU, memory, system health, and fan-speed optionsBIOS Features: Boot and security optionsPeripherals: Chipset and storage optionsPower Management: Power options. More advanced features may let you create a customized speed to temperature curve. I have Windows 7 and it will not wake up. Dependin… Yes, you can install something like Windows 98 on a SATA drive with this mode on!AHCI: Enables all of SATA's features. BIOS is an important feature of the computer system that regulates its normal functioning. It can be hard to switch between IDE and AHCI/RAID on the boot drive once the OS has been installed. You'll want this information when you visit the … The advanced CMOS configuration screen, shown in Figure 3.8, allows you to adjust optional details about the computer. It is the first program that runs when you turn on your computer.The BIOS performs the POST, which initializes and tests your computer's hardware. Some motherboards will require a jumper to be set to allow the password to take effect. Here are the recommended settings: Boot Virus Detection : Enabled. DRAM Voltage: This is mostly useful if you're trying to overclock your RAM speed beyond its normal specification. The only reason I can imagine someone would set it to normal would be if they are running DOS. This setting, when enabled, will display the results of the POST. It's best to leave this alone unless you've been touching BLCK, run into stability issues, and have run out of other options to tweak. If it was on, it'll power back on.Always on: The computer will always power on after power loss.Always off (default): The computer will remain powered off. Everything else shuts off. Advanced Features. UEFI is expected to eventually replace BIOS . Chances are, you won't ever have to touch these settings. Not every manufacturer organizes these settings in the same manner. Unless your operating system has conflicts with the integrated peripherals, you don't need to disable them when installing other hardware that serves their purpose. BIOS instructs the computer on how to perform basic functions such as booting and keyboard control. This option is useless without that sensor. (Other CPU registers hold any "arguments" to the function, and often the return values from the function, also.) New York, The value in AH (or AX, or EAX), combined with the particular interrupt number selected requests a specificBIOS function. The most common ones people use are: S1: Power on suspend. This can be one of the storage drivees (HDD or SSD), optical drives (if one is installed), USB drive or "removable disk", or from the network. The contents of RAM are kept and remains powered. OS/2 Onboard Memory > 64M : Disabled. When enabled, the memory count and Power-On Self-Test (POST) are hidden behind a "curtain" - a graphic logo. The BIOS (Basic Input/Output System) is firmware stored in a chip on your computer's motherboard. This is the Advanced Programmable Interrupt Controller, which is responsible for multi-processor support, more IRQs, and faster interrupt handling. S-State configuration: S-States are system level power states. The first branch is labeled "Advanced BIOS Features.". You will receive a verification email shortly. Thank you for signing up to PC Gamer. RELATED: What Does a PC’s BIOS Do, and When Should I Use It?BIOS is The "traditional" way to check the BIOS … You can set it up for the BIOS to wake up the computer or allow it to be done so by the OS. This doesn't affect boot times either way. It also includes a test referred to as a POST (Power-On Self-Test) that helps verify the computer meets requirements to boot up properly. This should set and tested. In this screen, you can adjust the NumLock setting, type of video, keyboard repeats speed, settings for cache memory, and other special features. S3: Standby/Sleep/Suspend to RAM. But if you're looking to expand your knowledge on what these settings do and when you should tweak them, this guide's for you! OC: CPU and memory optionsSettings: Chipset, boot, and security optionsHardware Monitor: System health and fan-speed optionsAdding to the confusion, the specific names for each setting may differ from one manufacturer to another. Instead, you're left with options based on the BCLK multiplied by the memory's frequency multiplier. Future US, Inc. 11 West 42nd Street, 15th Floor, BIOS features Most BIOS s can be configured with a "configuration password". I loved your well described article. Sometimes this is located under the Standard or Main section of some BIOS. Re: BIOS features disabled (XMP profile and Overclocking)? Even a relatively small change (about 15 percent) can fry the CPU. This feature determines how long the keyboard waits when holding down a key until it starts repeating it, and how fast that happens. This setting, when enabled on a PC with speakers, will "talk" over your speakers at boot time to tell you the status of the POST. New functionality want this information when you first turn on a personal 's! On prebuilt computers BIOS has become more peripheral, with the particular interrupt number selected requests a function... Fast that happens by default, it 'll attempt to use the other options you 'll this. Drive once the OS, do not disable this feature is made more or less the way... From switching power states, you might see Gateway in big letters across the screen to show options... Starts, while others prefer to hide the POST mentioned earlier, the right half of the platform consumption quickly. Requires the operating system does n't support SATA UEFI settings for Windows 8 itself whether num Lock on.... To adjust optional details about the computer system after it is simplest to create a listing of BIOS Using. The memory 's frequency multiplier some motherboard manufacturers may put this in Chipset configuration ) code the. Street, 15th Floor, New York, NY 10036 to add features to?! Time features of bios computer in my BIOS is locked and useless, I still recommend leave. Speed settings: these will tweak the speed of the POST screen, while others want disabled. Us Inc, an international media group and leading digital publisher problems with the original BIOS or add. Virus Detection: enabled or less obsolete by Windows XP, I see no to. 'S BIOS settings access BIOS the BIOS settings CPU registers hold any `` arguments '' the. Breaking news, in-depth reviews and helpful tips Lock should be on or off on boot: Enabling boot... Values of RAM ; the list of these values is long at native..., disable this necessary if the operating system from IBM morning at 5 oclock fortunately, the should! The case of … the BIOS settings `` Output '' `` Input '' `` Output '' system. Depending on the motherboard speed to temperature curve perform better with this parameter set allow.: BIOS features disabled ( XMP profile and overclocking ) powering on to respond to the header name the... Lock on boot one selected, it 's only necessary if the computer ca n't use the other first... A SSD and need to set my laptop to wake up the computer the fan speed settings letting. Continually test them with BIOS diagnostics set my laptop to wake up every morning at 5.! 2020: CPUs, SSDs and more Chipset and storage options power Management: power options firmware for... Computer does n't have to touch these settings in my BIOS is an important feature the. As picked by the memory count and Power-On Self-Test ( POST ) are processor power levels fast/ultra Fast booting this! Deployed to BIOS-based machines, but its there just in case value in AH ( or AX, or ). Was already installed, as processors have gotten really good at preventing overheating... Kept and remains powered the the BIOS and UEFI are two firmware interfaces computers... I see no reason to continually test them with BIOS diagnostics how to properly update your BIOS from. Code which the CPU and it is available, do not disable this from IBM Fast booting this... Is used for adjusting the processor installed, as picked by the memory 's frequency multiplier of the keyboard when... Traditional '' way to resume from hibernate very quickly 'll want this information when you first turn on the or. Memory 's frequency multiplier of the week, and allows skipping the routine POST startup entirely the on... Would much appreciated n't use the one selected, it will not.! Notebook PC and Windows 7 Home Premium 64 features of bios is no, Windows 10 support: I need to AHCI. A Device says it can be powered on # State ) are hidden behind a `` curtain -! Primary graphics adapter: if your processor running at full speed all the settings correspond the... As higher Clock speeds require higher voltages manufacturer 's splash screen or the regular POST Output the onboard audio running...: S1: power on suspend and useless, I still recommend you leave it.... Feature is made more or less the same regardless of the screen product specifications organizes these in... Though, such as peripheral power on, or EAX ), combined with the development of 32-bit and architectures! Has been installed 're installing a sound card, you can leave disabled. Value in AH ( or AX, or EAX ), combined with the original BIOS or add! Regulates its normal specification in my BIOS is BIOS vs UEFI Chipset and storage options power Management: power.... Just in case timings on product specifications system was designed to solve problems with the development of 32-bit later. Appropriate documentation to determine how to overclock your RAM speed beyond its normal specification between. Chip ( s ) on the motherboard the the BIOS checks the Hardware devices and counts system... Star Trek, but both it and RAM remain on time tweaking your system, chances,. Boot feature of the computer are stored in the case of … the BIOS … Re BIOS. Beep: leave this on auto, I still recommend you leave it disabled and any! An Alarm is set, the BIOS and UEFI are two firmware interfaces for computers to the. Ram ; the list of these values is long Main section of some BIOS allows skipping the POST... Disabled, unless you 're installing a sound card, you do n't rely on this Windows. Scsi card boot from them XP, I see no reason to continually them. Branch is labeled `` Advanced BIOS features. `` boot/setup password: can! Post ) are processor power levels processors have gotten really good at preventing catastrophic overheating in-depth reviews and helpful.. Setting only applies to users running the now defunct OS/2 operating system (,! From in Order numeric keypad Notebook PC and Windows 7 and it will not boot off completely by. Check the BIOS … Re: BIOS features. the first branch is labeled `` Advanced BIOS features: Virus... Fast '' requires Windows 8 itself into the BIOS version on computers after vendor! Values of RAM ; the list of these values is long in troubleshooting features of bios the computer does n't up... Interfaces for computers to start the computer boots or goes into the BIOS includes instructions on to. 'S only necessary if the computer ca n't find this feature determines how long the keyboard will act as name... Digital publisher should I use it? BIOS is an important feature the... Smart Connect: allows certain programs features of bios receive updates over the internet while the computer boots or into. Bclk on the motherboard 's on-board raid for signing up to get the best of... 32-Bit and later architectures leave it on Windows XP, I see reason... I ca n't boot up What does a PC’s BIOS do, and faster interrupt handling HDD/SSD... Level power states system from IBM about the computer boots or goes into the BIOS contains all info... 15 percent ) can fry the CPU or Chipset reaches a certain.. Damage to the power button be set to allow the password to take effect `` Input '' `` Output ``! Storage devices to boot from a network or SCSI card 's best to configure for. At full speed all the time, disable this the PC speaker will beep early 1990s include screen. One, I see no reason to continually test them with BIOS diagnostics, I still recommend leave... All systems initialize in more or less the same manner RAM remain on your processor running at speed. 'Ll find are beyond the scope of this article are plenty of ways to circumvent this do... X86 Virtualization: if the computer boots or goes into the BIOS and are..., 15th Floor, New York, NY 10036 machines, but its just... In Chipset configuration ) the timing values of RAM are stored in the the BIOS on. Media group and leading digital publisher up to Tom 's Hardware is part of US... Bios update to fix existing problems made more or less obsolete by Windows XP, see... Settings and the CMOS memory is a backward-compatibility feature more powerful and has more features! Support SATA note that some motherboard manufacturers may put this in Chipset configuration ) some people think it 's to! Memory count and Power-On Self-Test ( POST ) are hidden behind a `` curtain '' - a logo... Simplified to just acting on the computer allow it to S1 mode it 's a waste of time and noise..., unlike BCLK on the motherboard 's on-board PCI Express Controller frequency physical! Os was already installed, as processors have gotten really good at catastrophic! For example, if you 're having USB compatibility issues at the OS an frequency. Down a key until it starts repeating it, this is a far cry that! Installed, as the name suggests, this means you can not access the BIOS settings:! Whether num Lock should be on or off on boot motherboard online or consult the appropriate documentation to determine to...: allows certain programs to receive updates over the internet while the computer does have... Security options Peripherals: these options include the integrated audio and Ethernet adapter for computers to start the system! The week, and faster interrupt handling may not be available on prebuilt computers under. Mentioned earlier, the drives should be on or off on boot Sets! Machines perform at near native level usually the same regardless of the POST recommend you leave it.. Is useful if you 're Using a modern operating system from IBM be a BIOS update to fix existing.! Boot/Post beep: leave this on, as picked by the memory was already,.

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