Artesyn ATCA-7365 Installation and Use (May 2014) - Manual (Page 121)

BIOS
ATCA-7365 Installation and Use (6806800K65M) 121
Depending on the main purpose of the blade, the following settings are recommended:
 HPC and General Purpose Server:
Hardware Prefetcher [Enabled
]
Adjacent Cache Line Prefetch [Enabled]
L1 Data Prefetcher [Enabled]
DataReuse Optimization [Enabled]
 Enterprise Platforms:
Hardware Prefetcher [Disabled]
Adjacent Cache Line Prefetch [Disabled]
L1 Data Prefetcher [Disabled]
DataReuse Optimization [Disabled]
It is recommended to test the application which will run on the blade with different CPU
settings in order to select the best configuration.
4.7 Memory Configuration
The Intel Xeon processor 5600 series supports four different memory RAS (Reliability,
Availability, and Serviceability) modes: Independent Channel Mode, Spare Channel Mode,
Mirrored Channel Mode, and Lockstep Channel Mode.
4.7.1 Independent Channel Mode
In independent mode, all three channels are operating independently. The ECC code appears
in each independent channel. Failure of the DRAM can be corrected. The correction capabilities
in independent mode are:
 Correction of any x4 DRAM device failure.
 Detection of 99.986% of all single bit failures that occur in addition to an x4 DRAM failure.
 Detection of any 2-bit uncorrectable errors.