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High-Bandwidth Interrupt Transfers (Three Packets per Microframe) in Windows® XP – KBA93229

High-Bandwidth Interrupt Transfers (Three Packets per Microframe) in Windows® XP – KBA93229

Anonymous
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Version: *B

Translation - Japanese: Windows®XPの高帯域幅割り込み転送(マイクロフレームあたり3パケット)- KBA93229 - Community Translated (JA)

Question:

Is it possible to implement high-bandwidth interrupt transfers (three packets per microframe) in Windows® XP?

Answer:

No, the Windows XP Enhanced Host Controller Interface (EHCI) driver does not support high-bandwidth interrupt transfers. However, it does support high-bandwidth isochronous transfer, so an isochronous endpoint configured for three packets per microframe (3*1024 bytes) can be used for such an application.

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