Scott Duplichan writes:
]HT is initialized to 200MHz.
At the moment, HT frequency stays at 200 MHz for AMD family 10h processors when coreboot initializes it. Here is an HT3 enable patch for family 10h that may be useful:
Reading the information about the patch, it seem it will also fix my problem with higher resolutions (>= 1024x768). Great! Thanks! I will have to try it.