Integrated Memory Controller device missing in Linux running on Xeon e5-2648L

Swati_M_ — Wed, 21 Aug 2013 15:11:07 GMT

Hi,

I like to enquire on Integrated Memory Controllers on Xeon e5-2648L.
Require the information for linux edac driver implementation on my Intel Sandy Bridge for checking Memory Errors.

1)As in processor specs "xeon-e5-1600-2600-vol-2-datasheet" (Section 4.4.4.2 Pg 403),memory PCI registers for IMC controllers are documented.However,on listing the pci devices(lspci - linux command) or quering for device (Integrated Memory Controller(Bus 1,Device 15)the pci memory controller seems to be absent.

I need to ensure that the PCI device is present to continue further on my error reporting mechanism.

2)Is there some way to see the memory controllers on linux system ?

I am using Linux Kernel - 2.6.34.

Appreciate you help.

Cheers
Swati

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Integrated Memory Controller device missing in Linux running on Xeon e5-2648L