This problem occurs because the system incorrectly sends certain nonmaskable interrupts. When there are more than 8 logical processors that are available, some logical processors do not receive the nonmaskable interrupt that instructs the computer to restart. You can fix this issue by downloading the hotfix file from the Microsoft websiteand executing it.
The difference between motherboard revision 1.0 and 1.1 is the cooling system design. Revision 1.1 has a modified layout structure reinforcing the overall construction of cooling design to improve quality. When the product is used under same conditions, the thermal performance and system compatibility between revision 1.0 and 1.1 are the same.