350 views | Posted in Computing | 
Print
| 
Email
Most of the time the BIOS have an upgrade available, to know if you have BIOS upgrade you need to visit the pc maker site. Most computer makers such as IBM, Dell, Compaq and Packard Bell have these updates on their web sites.
After you find the manufacturer that provided the BIOS code, the next step is to determine whether the BIOS can be upgraded. Unless you are very certain that your BIOS needs to be updated, check with your hardware manufacturer. If you improperly flash (update) your BIOS, you may be unable to start your computer, and this may result in data loss or other problems.
Temas Relacionados:
389 views | Posted in Computing | Print
| Email
Before you do anything to your BIOS, it’s always a good idea to record the settings on a sheet of paper that can be kept in a safe place. The process of updating the BIOS can be summarized in the following steps:
1. Determine your BIOS version.
2. Obtain the appropriate BIOS update.
3. Prepare a BIOS flash disk.
4. Flash the motherboard BIOS.
Determining the BIOS Version
Before you update your BIOS, it’s best to find out what version of BIOS you are currently using. If you already have the latest version, then there’s no...
Contenido completo »
367 views | Posted in Computing | Print
| Email
The BIOS is special software, stored on a chip, that interfaces the major hardware components of your computer with the operating system. It provides an interface between the operating system and the hardware, acting as an intermediary between a computer’s hardware and its operating system. Without the BIOS, the PC’s operating system would have no way to communicate with, or take control of, the hardware.
The BIOS is a crucial component of any computer. If the BIOS is not configured properly, you may be able to boot up the operating system and run it for a while. However,...
Contenido completo »
347 views | Posted in Computing | Print
| Email
To determine the manufacturer of your motherboard, view the documentation that was included with your computer. Most computers include a manual for the motherboard, and this manual is typically the best source of information about your hardware, motherboard, and BIOS. If you do not have this manual, contact the manufacturer of your computer to determine the manufacturer of your motherboard.
Lastly, if you cannot determine the name of the manufacturer of your motherboard by using the preceding methods, note that most manufacturers display BIOS information on the screen...
Contenido completo »
350 views | Posted in Computing | Print
| Email
Every time the computer is powered on, the BIOS immediately performs a number of tasks from initializing the microprocessor to initializing and testing hardware to starting the operating system. Here is a sequence of steps of how the BIOS boots:
1.- When power is applied to the system, the power supply will generate a power good signal which is received by the motherboard timer. When the timer receives this signal, it stops forcing a reset signal to the CPU and the CPU begins processing instructions.
2.- The very first instruction performed by a CPU is to read...
Contenido completo »
328 views | Posted in Computing | Print
| Email
BIOS has several functions in a computer but its most important task is to load the operating system. BIOS provides the microprocessor its first instructions upon activating the computer. Some of the common tasks that the BIOS performs include:
• A power-on self-test (POST) for all of the different hardware components in the system to make sure everything is working properly. During this process, the BIOS checks a specific memory location (address) on the computer (0000:0472). Information on whether the computer is being started from an off position (cold boot) or from...
Contenido completo »
