Server Products
Server Products
Slow System Response With Windows 2008 R2* or Windows 7* and Embedded NIC Driver

This issue only affects network controllers based on the 82575 or 82576 chipset. The technical product specification (TPS) of your board or system lists the network controller.

System responds slowly after successful Microsoft Windows Server 2008 R2* or Microsoft Windows 7* install.

  • System login process is very slow
  • Keyboard and mouse response is sluggish
  • Task Manager shows high utilization for all CPU core processes

In some cases, the operating system install is not successful. Go to step 3 below for a workaround.

When the ports are not electrically "linked" and the embedded driver is loaded, the DPC (Deferred Procedure Calls) rate steadily increases until the system slows and is unusable.

Follow the steps below to resolve the issue:

  1. Update the system board BIOS to the latest version. Go to Intel Download Center and search for your product name to find the correct BIOS file.
  2. Change the BIOS setting, BIOS > Advanced > PCI Configuration > PCI AER Support, to Disable. before installing the operating system.
  3. Connect the network ports to a network, switch, or back to back (connect both ends of the network cable to different ports on the same computer) before the operating system loads the embedded NIC driver.
  4. After the operating system install completes, download the latest Network Drivers for Windows.

Operating System:

Windows Server 2008 R2 Standard*, Windows Server 2008 R2 Enterprise*, Windows 7*

This applies to:

Intel® Server Board S3420GP Family
Intel® Server Board S5500BC
Intel® Server Board S5500HCV
Intel® Server Board S5500WB
Intel® Server Board S5520HC
Intel® Server Board S5520UR
Intel® Server System SC5650BCDP
Intel® Server System SC5650HCBRP
Intel® Server System SR1600UR
Intel® Server System SR1625UR
Intel® Server System SR1630BC
Intel® Server System SR1630GP
Intel® Server System SR1630HGP
Intel® Server System SR1690WB
Intel® Server System SR2600UR Family
Intel® Server System SR2625UR Family
Intel® Workstation Board S5520SC
Intel® Workstation System SC5650SCWS

Solution ID: CS-031086
Last Modified: 20-Oct-2014
Date Created: 16-Nov-2009
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