Comment 208 for bug 422536

Found it in System>Administration>Log File Viewer:messages

Nov 13 08:48:50 ubuntu-bob kernel: [ 13.953926] EDAC MC: Ver: 2.1.0 Nov 10 2009
Nov 13 08:48:50 ubuntu-bob kernel: [ 13.983049] EDAC amd64_edac: Ver: 3.2.0 Nov 10 2009
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001782] EDAC amd64: This node reports that Memory ECC is currently disabled.
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001789] EDAC amd64: bit 0x400000 in register F3x44 of the MISC_CONTROL device (0000:00:18.3) should be enabled
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001792] EDAC amd64: WARNING: ECC is NOT currently enabled by the BIOS. Module will NOT be loaded.
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001794] Either Enable ECC in the BIOS, or use the 'ecc_enable_override' parameter.
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001795] Might be a BIOS bug, if BIOS says ECC is enabled
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001796] Use of the override can cause unknown side effects.
Nov 13 08:48:50 ubuntu-bob kernel: [ 14.001824] amd64_edac: probe of 0000:00:18.2 failed with error -22