A computer that is running Windows Server 2008 or Windows Vista receives various stop codes that cause the system to automatically restart after you enable the NetDMA feature on the new “Crystal Beach” (DMA) chip from Intel
Consider the following scenario:
- On a computer that is running Windows Server 2008 Service Pack 2 (SP2) or Windows Vista Service Pack 2 (SP2), you have the new direct memory access (DMA) chip from Intel. The code name of this DMA chip is “Crystal Beach.”
- You enable the Network Direct Memory Access (NetDMA) feature on the new “Crystal Beach” (DMA) chip from Intel.
In this scenario, the computer may receive various stop codes and then restart automatically.
For more information on this issue, including potential causes, workarounds, and resolutions, see: Microsoft KB Article KB975698.