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IMPORTANT: Workstations running Microsoft Windows XP with Service Pack 2 (SP2) do not require this fix.This package contains a fix for the listed workstation models and operating system. The fix is for an issue where after a Microsoft Windows XP workstation configured with multiple ATA drives enters the S1 power state, one of the following symptoms occurs: - Microsoft Windows does not recognize the ATA drives when resuming the workstation from Sleep or Standby modes. - The following error message is displayed: "Unsafe Removal of Device: You have unplugged or ejected a device without stopping it. Unplugging or ejecting devices without first stopping them can frequently cause your computer to crash and loose valuable data."- Microsoft Windows may stop responding.NOTE: This issue does not affect worksations that are using ATA host controllers that are configured for Legacy mode operation.For more detailed information about this issue, refer to Microsoft Knowledge Base article 812415, "Problems When Your Computer with Multiple ATA Drives Enters the S1 Power State."