Hi.
Make sure your bios is
set as follows:
DRAM CAS# Latency: 5
DRAM RAS# to CAS# Delay: 5
DRAM RAS# Precharge: 5
DRAM RAS# Activate to Precharge: 15
DRAM TRFC: 55
DRAM TWR: 6
DRAM TWTR: 11
DRAM TRRD: 4
DRAM TRTP: 6
Dram Voltage: 2.0-2.2v
And then update these drivers if possible:
Rt64win7 Rt64win7.sys Thu Feb 26 04:04:13 2009
spsys spsys.sys Mon May 11 13:20:58 2009
spldr spldr.sys Mon May 11 12:56:27 2009
amdxata amdxata.sys Tue May 19 13:56:59 2009
Make sure the RAID controller driver is updated to latest too.