An issue has been discovered by an Intel customer implementing Intel® Xeon® Processors 5400 Series E-0 stepping and BIOS R0091 or Intel® Modular Server BIOS R0047. Approximately one out of three boots will exhibit an NMI with one or more of the following characteristics:

• Immediately following POST, the following error may be seen: “NMI detected. System Halted”, followed by a system hang.
• No POST, no video (system hang).
• System hang with the following POST Code LED indicators: MSB off | off | green | amber LSB
• In some instances uncorrectable memory errors may be falsely reported in the System Event Log (SEL) and DIMM’s C1 and D1 may be taken offline.

	Technical Advisory TA-915-06t [PDF]
	File Name: TA_915_7_00.PDF Size: 49,152 bytes Date: November 2008 File Revision: 7

This applies to:

Intel® Compute Module MFS5000SI Intel® Modular Server System MFSYS25 Intel® Server Board S5000PAL Intel® Server Board S5000PSL Intel® Server Board S5000VCL Intel® Server Board S5000VSA Intel® Server System SR2520SA Intel® Storage Server SSR212MC2 Intel® Workstation Board S5000XVN