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| -rw-r--r-- | Documentation/northbridge/intel/sandybridge/index.md | 1 | ||||
| -rw-r--r-- | Documentation/northbridge/intel/sandybridge/me_cleaner.md | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/Documentation/northbridge/intel/sandybridge/index.md b/Documentation/northbridge/intel/sandybridge/index.md index dcb090aad6..c1d4b9948d 100644 --- a/Documentation/northbridge/intel/sandybridge/index.md +++ b/Documentation/northbridge/intel/sandybridge/index.md @@ -6,3 +6,4 @@ This section contains documentation about coreboot on specific Intel "Sandy Brid - [Native Ram Initialization](nri.md) - [RAM initialization feature matrix](nri_features.md) +- [ME Cleaner](me_cleaner.md) diff --git a/Documentation/northbridge/intel/sandybridge/me_cleaner.md b/Documentation/northbridge/intel/sandybridge/me_cleaner.md new file mode 100644 index 0000000000..1086e7e091 --- /dev/null +++ b/Documentation/northbridge/intel/sandybridge/me_cleaner.md @@ -0,0 +1,20 @@ +# ME Cleaner +It's possible to 'clean' the ME partition within the flash medium as part +of the build process. While cleaning as much code as possible is removed +from the ME firmware partition. In this state the ME errors out and doesn't +operate any more. + +**Using a 'cleaned' ME partition may lead to issues and its use should be +carefully evaulated.** + +## Observations with 'cleaned' ME + +* Instable LPC bus + * SuperIO is malfunctioning + * TPM is malfunctioning + * Random system shutdowns on high bus activity + +## Filing bug reports + +Always test with unmodified IFD and ME section before reporting bugs to the +coreboot project. |