On 13.02.2020 11:27, Mogens Jensen via coreboot wrote: > Thanks everyone for pointing me in the right direction, I didn't know about > configuration data in ME. > > I did a quick comparison of the ICC profiles in the two ME images and found > multiple differences. > > FCIM/BTM Specific ICC Registers: > ============================= > Clock Source Select > SRC Source Select > PLL Reference Clock Select > Divider Enable > > ICC Registers: > ============================= > Flex Clock Source Select > Output Clock Enable > PI12BiasParms > > I need to do more research to find out what all this means, but in theory, if > I update the new ME with same values as the old one, then I should have a > working SATA disk? Theoretically yes. But practically cannot guarantee that (it is hardware). However, the chances are very high. I recently had an issue with mismatched ICC configuration which caused 1 of 6 Gigabit Ethernet Controllers to be disabled. Fixed by applying identical ICC configuration to the new ME image. > > > Regards, > Mogens Jensen > _______________________________________________ > coreboot mailing list -- [email protected] > To unsubscribe send an email to [email protected] Regards,
-- Michał Żygowski Firmware Engineer http://3mdeb.com | @3mdeb_com _______________________________________________ coreboot mailing list -- [email protected] To unsubscribe send an email to [email protected]
