AMD Interlagos -An Easy Upgrade?

9.0 Overall Score

Very easy to upgrade | Good Performance

Performance per core

Upgrade Process

SuperMicro has made the upgrade process for moving to Interlagos very simple: Update the BIOS, shutdown the machine, install the new chip, boot. We started by downloading BIOS 2.0 from the SuperMicro website, and in the ultimate example of sys admin laziness used the IPMI to upgrade the BIOS from home before we even drove into the datacenter. The chip swap was a breeze, all we had to do was pull the blade from the chassis, remove the air shroud and heatsinks, install the new CPUs, and replace everything back. The SuperMicro BIOS does not allow for up or downclocking of the CPU cores, so our test results are a direct comparison of a Opteron 6276 2.3GHz Interlagos CPU with Turbo to a pair of Opteron 6128 2.0GHz Magny Cours CPUs without Turbo.

Current configuration uses 2 x Opteron 6128 CPUs with 4 Sticks of memory per socket (Quad Channel arrangement).

Here’s a shot with the shroud removed, exposing the memory for each socket.

 

1 x Opteron 6276 installed, and all memory moved over to the single socket (in single CPU configuration the CPU cannot access any memory installed adjacent to socket 2).

Another shot so you can see more of the PCB.

Opteron 6276 in Socket G34.

Heat sink installed! The upgrade process was simply painless. There really isn’t much to say except that it was a direct drop in and power on. Even upgrading from a OS perspective was very easy and quick. Windows Server 2008 R2 required a quick reboot and CentOS 5.7 worked from the first boot.

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