> 2. Are there any errors that may need error_mid_td treatment on NEC? > 3. Are there any errors that may need "not success" treatment on VIA? Sorry, I meant to write "any other errors", of course. For VIA, the likely answer is "all errors" or "almost all". And I forgot to add that while NEC seems to violate the spec, VIA follows 4.9.1 exactly and other hosts are likely to do the same.