Proof that Asrock (and SM, others) are/were gatekeeping Milan on cheaper boards for no reason

[Advin]

so far so good. the BIOS seems to work with ES processors also. a "7V13 ES" (100-000000425_37/24_N) works fine also.

Just bought a 7V13 ES, and it arrived today, glad to hear that it works on a normal motherboard/BIOS

 

[RolloZ170]

so far so good. the BIOS seems to work with ES processors also. a "7V13 ES" (100-000000425_37/24_N) works fine also.

looks more like a QS, stepping B0

 

[gsrcrxsi]

looks more like a QS, stepping B0

tomato, tomahto

 

[izx]

looks more like a QS, stepping B0

Having recently acquired one of these 7V13 ES, could you perhaps explain why it's more like a QS/B0?
(works fine on a ROMED8, btw)