The actual graphics core has only elementary differences from the retail chips [1]. The differences were mainly in integration (merging in a northbridge, tweaks for UMA, ...)<p>1. <a href="https:&#x2F;&#x2F;github.com&#x2F;espes&#x2F;xqemu&#x2F;blob&#x2F;xbox&#x2F;hw&#x2F;xbox&#x2F;nv2a.c#L708" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;espes&#x2F;xqemu&#x2F;blob&#x2F;xbox&#x2F;hw&#x2F;xbox&#x2F;nv2a.c#L708</a>