USB 2.0 error of Microsoft consumes laptop battery

Microsoft has just confirmed a flaw in the USB 2.0 driver of Windows XP Server Pack 2, which could cause notebooks to consume more energy than specified when using peripherals.

The above error was discovered two weeks ago by an independent security expert. The vulnerability has been confirmed to affect Intel laptops running Windows XP Server Pack 2 operating systems. Currently, details related to vulnerabilities have been released. Intel denies their chips and chips are related to the flaw, while Microsoft has confirmed its responsibility.

In fact, Microsoft has also reported on the Knowledge Base since July 2005, but the subject of the announcement only covers PC manufacturers and partners, not including computer users. In this Knowledge Base, Microsoft raised a number of issues related to USB 2.0, which could prevent mobile processors from making full use of energy-saving technology.

Security experts also confirmed that the USB 2.0 vulnerability also affects Core Duo - Intel's latest mobile processor with more energy-saving capabilities than previous Pentium M versions. The test showed flaws that impact many types of Intel laptops; however, there is no confirmation of the impact on laptops with AMD Turion or Athlon 64 chips.

Also in Knowledge Base, Microsoft has proposed a possible solution, which is to modify the USB 2.0 registry key. However, Microsoft later discovered that the problem was more serious than the original comment, so it developed a separate fix (currently underway).

According to Intel representatives, the seriousness of the problem depends on how USB 2.0 is handled in the laptop. USB 2.0 relates to a wide range of components such as operating system, central processor, chipset, software . Intel is also developing a fix for this vulnerability.

Laptop users with the above USB 2.0 error are advised to contact the manufacturer for assistance. Some laptop manufacturers have modified the registry key as Microsoft announced, but the effectiveness may not be achieved.

VH