Many mid-to-high-end motherboards have at least one eSATA interface, which is convenient for users to connect to external hard drives and other devices. But I believe many people don't need it, so they are so idle. Have you thought that this is the case? The idle eSATA interface may inadvertently slow down your Windows 7 system startup speed? According to Microsoft Knowledge Base article KB2292867, if an unused eSATA interface is installed on a computer with Windows 7 operating system, the system startup time will be greatly extended.
This problem occurs because the initialization timing of the Microsoft AHCI (Advanced Host Controller Interface) does not exactly match the SATA specification, which should result in a longer time spent detecting the eSTA interface.
Microsoft has released a hot fix for this purpose, but it is not publicly available. You can request it from the Microsoft Support Center if you need it:
http://support.microsoft.com/hotfix /KBHotfix.aspx?kbnum=2292867&kbln=en-us
Or download it from the dedicated Microsoft Hotfix Patch Sharing website:
32-bit:
http://thehotfixshare.net/board /index.php?autocom=downloads&showfile=12653
64-bit:
http://thehotfixshare.net/board/index.php?autocom=downloads&showfile=12652
Applicable system version: Windows 7 32/64 bit entry version, home basic version, home advanced version, professional version, enterprise version, flagship version. You may need to restart your computer after the installation is complete.
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