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  • A Upgrading And Repairing PCs 21st Edition: PC Diagnostics

    - in Articles > Do It Yourself

    BIOS POST Beep Codes, Checkpoint Codes, And Onscreen Messages BIOS POST Beep Codes Beep codes are used for fatal errors only, which are errors that occur so early in the process that the video card and other devices are not yet functional. Because no display is available, these codes take

    PC Diagnostics, Testing, And Maintenance with specialized diagnostics software designed to test their particular functions. RAID adapters, for example, include configuration and diagnostic functions in the card’s ROM BIOS that you can access with a keystroke at boot time. Other devices

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    The Hardware Boot Process: Operating System Independent the Power_Good signal, which causes it to stop generating a reset signal to the microprocessor. The microprocessor begins executing the ROM BIOS code, starting at memory address FFFF:0000. Because this location is only 16 bytes from the very end

    The POST -correcting code (ECC) memory is no longer available in most non-server chipsets, every PC still executes a POST when you turn it on. The following sections provide more detail on the POST, a series of program routines buried in the motherboard ROM-BIOS

    Peripheral And Operating System Diagnostics them. Ensure that the system is free from malware such as viruses, rootkits, and spyware/adware. Check with the motherboard manufacturer to see if an updated BIOS is available. Make sure that the processor, expansion cards, memory modules

    Windows 7/Vista And Windows 8 Startup -based versions of Windows is now replaced by the boot configuration data (BCD) store. The use of BCD enables a common interface for systems that use either traditional BIOS or the more recent extensible firmware interface (EFI) configuration methods

    The Boot Process messages during the boot process: OS Independent Motherboard ROM BIOS Adapter card ROM BIOS extensions Master (partition) boot record (MBR) Volume boot record (VBR) OS Dependent System files Device drivers Programs run

    DOS And Windows 9x/Me Boot Processes And Windows 2000/XP Startup .com gathers hardware configuration data and passes this information to Ntldr. If more than one hardware profile exists, Windows uses the correct one for the current configuration. If the ROM BIOS is ACPI compliant, Windows uses ACPI to enumerate

    Passive Preventive Maintenance Procedures management to slow down the processor and other components when idle. In many cases you can still have the system enter Stand-By or Hibernate modes, as long as you have Wake-on-LAN enabled (check the BIOS Setup) so that the system can resume

    Troubleshooting: Replacing Parts And The Bootstrap Approach has a speaker in the case) and boots up. Errors that display onscreen (nonfatal errors) and that do not lock up the system display a text message that varies according to BIOS type and version. Record any errors that occur and refer to the POST error

  • A Sapphire Releases Performance-boosting BIOS for its R9-290

    - in Articles > Graphics Cards

    the same thing for its own R9-290, however, rather than releasing it in the form of a driver, it has released a new BIOS for the graphics card. While in practice you're unlikely to notice a difference between a driver fix or a BIOS fix

  • A Asus Updates BIOS for LGA2011: Adds Ivy Bridge-E Support

    - in Articles > Do It Yourself

    Asus has released its official new BIOSes for its LGA2011 motherboards, and within these updated BIOSes is support for the new Ivy Bridge-E CPUs. The updates are available for the following motherboards, with the corresponding BIOS number

  • A How To Choose A Motherboard: A Guide For Beginners

    - in Articles > Motherboards

    Memory And Expansion Card Slots that increases motherboard cost, but doing so can reduce boot time. For example, the separate BIOS of unused add-in SATA controllers will often flash a "no drives found" error message just before the OS splash screen appears.

    Firmware Features And Conclusion Firmware is a simplified software layer that tells an operating system how to use hardware. Previous 16-bit versions called BIOS (Basic Input/Output System) have given way to newer UEFI structures that virtually eliminate hardware

  • A This Week's Hot News: April Fool's Edition

    - in Articles > Storage

    Check out this week's top headlines, including our hilarious April Fool's gags!

  • A EVGA Introduces Dual-BIOS Graphics Cards

    - in Articles > Graphics Cards

    EVGA is joining a number of other manufacturers and is also releasing a number of its graphics cards in versions with double-BIOS. Not only this, but three of its cards actually have three BIOSes rather than one (or two

  • A Report: Turn a GTX 680 Into A GTX 770 By Flashing Custom BIOS

    - in Articles > Graphics Cards

    , and unsurprisingly so, since the two cards are basically identical. By flashing the BIOS (.inf) file to the GTX 680 using the 320.00 driver before doing so, the card will be recognized as a GTX 770 and will run at GTX 770 specifications. The only

  • A Gigabyte Teases Customisable, High-Resolution UEFI BIOS for its Z87 Motherboards

    - in Articles > Motherboards

    Perhaps one of the most baffling aspects about PC technology is that the GUI for motherboard BIOS hasn’t even remotely kept up with the pace of improvements in the industry and perhaps hasn’t improved at all over the past decade. Based

  • A Performance: Widow Sting 517D/Killer Notebooks Executioner

    - in Articles

    At all four resolutions we tested (1024x768/1280x1024/1600x1200/1920x1200), the Executioner bests the Window Sting running without anti-aliasing (AA) and anisotropic filtering (AF). Considering that both notebooks have identical CPU's an...

  • A Gigabyte's Z97-HD3P Comes Well-Packed For Budget Builds

    - in Articles > Motherboards

    also find a dual-BIOS, which is useful in case flashing a BIOS accidentally goes wrong. All things considered, this board certainly isn't the best Z97 board out there, but it's not meant to be. We expect this motherboard to be among the cheaper

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