diff options
Diffstat (limited to 'Documentation/mainboard')
| -rw-r--r-- | Documentation/mainboard/lenovo/Ivy_Bridge_series.md | 15 | ||||
| -rw-r--r-- | Documentation/mainboard/lenovo/Sandy_Bridge_series.md | 4 |
2 files changed, 17 insertions, 2 deletions
diff --git a/Documentation/mainboard/lenovo/Ivy_Bridge_series.md b/Documentation/mainboard/lenovo/Ivy_Bridge_series.md index 2f83ffa8a8..f4f0efff6c 100644 --- a/Documentation/mainboard/lenovo/Ivy_Bridge_series.md +++ b/Documentation/mainboard/lenovo/Ivy_Bridge_series.md @@ -76,3 +76,18 @@ region. The update is then written into the EC once. [fl]: flashlayout_Ivy_Bridge.svg +## Reducing Intel Managment Engine firmware size + +It is possible to reduce the Intel ME firmware size to free additional +space for the `bios` region. This is usually referred to as *cleaning the ME* or +*stripping the ME*. +After reducing the Intel ME firmware size you must modify the original IFD, +[split the resulting coreboot ROM](#splitting-the-coreboot-rom) and then write +each ROM using an [external programmer]. +Have a look at [me_cleaner] for more information. + +Tests on Lenovo W530 showed no issues with a stripped and shrunken ME firmware. + + +[me_cleaner]: ../../northbridge/intel/sandybridge/me_cleaner.md +[external programmer]: ../../flash_tutorial/index.md diff --git a/Documentation/mainboard/lenovo/Sandy_Bridge_series.md b/Documentation/mainboard/lenovo/Sandy_Bridge_series.md index dbbbbeef30..37a75b9799 100644 --- a/Documentation/mainboard/lenovo/Sandy_Bridge_series.md +++ b/Documentation/mainboard/lenovo/Sandy_Bridge_series.md @@ -47,11 +47,11 @@ region. The update is then written into the EC once. ## Reducing Intel Managment Engine firmware size It is possible to reduce the Intel ME firmware size to free additional -space for the `bios` region. This is usually refered to as *cleaning the ME* or +space for the `bios` region. This is usually referred to as *cleaning the ME* or *stripping the ME*. After reducing the Intel ME firmware size you must modify the original IFD and then write a full ROM using an [external programmer]. -Have a look at the [me_cleaner] for more information. +Have a look at [me_cleaner] for more information. Tests on Lenovo X220 showed no issues with a stripped ME firmware. |