I don't have a list nor do I know how to find one. But this is part of a feature called Automatic System Recovery. The idea is that if a device cause the system to crash, that device is disabled and the system tries a reboot. There is a .asr command to see what is disabled and a asr-enable and asr-disable command to update the list. More boxes can disable memory this way than can disable cpu's. My guess is that newer boxes with many cpu's probably have this feature. It's not a feature I really care about so I mostly ignore it.

HP can disable cpu's this way and lock them out with a password. You need another CPU, you buy the password and unlock it. Capacity-on-demand they call it.