<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <span class="h-card" translate="no"><a href="https://mastodon.social/@timonsku" class="u-url mention">@<span>timonsku</span></a></span> i figured as much</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@headius" class="u-url mention">@<span>headius</span></a></span> &quot;Once in a while&quot; doesn&#39;t make a platform crumble, and you also don&#39;t have to pile features on forever. I don&#39;t agree that an infinite upgrade treadmill is always desirable.</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> All acceptance processes fail once in a while, and again, on a long enough timeline, those failures will accumulate unless you can remove them.</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@timonsku" class="u-url mention">@<span>timonsku</span></a></span> <span class="h-card" translate="no"><a href="https://ioc.exchange/@azonenberg" class="u-url mention">@<span>azonenberg</span></a></span> further context: this is not a civilian device</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@headius" class="u-url mention">@<span>headius</span></a></span> I don&#39;t really agree; I think it is realistic and sometimes desirable to never remove a stabilized API. If your platform crumbles under it, it means your acceptance process has failed.</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> Backward compat must have a sunset, though, or platforms eventually crumble under their own dead weight. On a long enough timeline, deprecated should always mean forRemoval.</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> (I meant PCB underside not the component)</p><p>27x27 mm is consistent with a 676 ball 1mm pitch part.</p><p>Possible options that fit this overall mechanical style that I was able to find:<br />* Kintex-7 FFG676 or RF676 (7k160t, 325t, 410t)<br />* Zynq-7 FFG676 (xc7z045)<br />* Zynq-7 RF676 (xq7z030 or xq7z045)<br />* Kintex UltraScale RBA676 (XQKU040)<br />* Kintex UltraScale+ FFRB676 (XQKU5P)</p>

<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> <a href="https://product.dzsc.com/product/307026-20181225201252741.html" target="_blank" rel="nofollow noopener noreferrer" translate="no"><span class="invisible">https://</span><span class="ellipsis">product.dzsc.com/product/30702</span><span class="invisible">6-20181225201252741.html</span></a></p>

<p><span class="h-card" translate="no"><a href="https://ioc.exchange/@azonenberg" class="u-url mention">@<span>azonenberg</span></a></span> grinding would be very visible physically in some way. If its not factory blank (not uncommon if you buy in large enough qty) then most likely the heat-spreader got fully replaced by whoever sold it.</p>