Ataport.sys – Pre Service Pack 2 Revision History for Windows 7 SP1, Windows Server 2008 R2 SP1 and Windows Small Business Server 2011 (SBS 2011)

08-Mar-2014 – 6.1.7601.22620 – Ataport.sys – x86/x64 – http://support.microsoft.com/kb/2939652 – WM_DEVICECHANGE messages are delayed after a SATA hard disk is removed

05-Aug-2013 – 6.1.7601.18231 – Ataport.sys – x86/x64 – http://support.microsoft.com/kb/2939652 – WM_DEVICECHANGE messages are delayed after a SATA hard disk is removed

14-Sep-2012 – 6.1.7601.22113 – Ataport.sys – x64 – http://support.microsoft.com/kb/2703639 – MMC stops responding when you disable or enable an ATA channel on a Windows Server 2008-based or Windows Server 2008 R2-based computer

12-Sep-2012 – 6.1.7601.17954 – Ataport.sys – x64 – http://support.microsoft.com/kb/2703639 – MMC stops responding when you disable or enable an ATA channel on a Windows Server 2008-based or Windows Server 2008 R2-based computer