Hi all:
I has been upgrade my dell r420 from 1 processer to 2 processer ( e5-2420)
and i move the memory dimm from a1,a2,a3,a5 bank to a1,a3 and b1,b3 bank
and after hardware upgrade, then boot machine
the frontpanel show
HWC2005: System board Riser cable or interconnect failure. Check connection
anyone can help me ?