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In Windows XP, you may experience poor video capture and erratic System Monitor readings if your computer has either of the following chipsets:
Intel 815x chipsets with Advanced Programmable Interrupt Controller (APIC)
VIA 686B chipsets
The VIA power management timer hardware originally worked incorrectly, and a patch was applied to the hardware abstraction layer (HAL) to fix the problem on Intel 815x chipsets. Since that time, the VIA chipset was modified to correct the timer problem, but this causes the patched HAL to give incorrect timing values. This makes video capture "choppy," and causes System Monitor to generate incorrect readings under some conditions. The problem occurs with Intel 815x chipsets with APIC, and with the VIA dev_1106 and ven_0686 power management timers when you use a video capture adapter with a composite-in port.
To resolve this problem, obtain the latest service pack for Windows XP. For additional information, click the following article number to view the article in theMicrosoft Knowledge Base:
322389 How to Obtain the Latest Windows XP Service Pack
The English version of this fix should have the following file attributes or later:
Date Time Version Size File name ------------------------------------------------------ 29-Oct-2001 08:57 5.1.2600.17 129,280 Halaacpi.dll
Microsoft ha confermato che questo problema si verifica con i prodotti elencati nella sezione "Si applica a..." di questo articolo. This problem was first corrected in Windows XP Service Pack 1.
ID articolo: 310718 - Ultima revisione: 01/11/2015 21:09:11 - Revisione: 2.1
Microsoft Windows XP Home Edition, Microsoft Windows XP Professional Edition