<html><head></head><body><div dir="auto">I could be mistaken, but IIRC, the sun4c (SS1, SS2, SLC, ELC, IPC, IPX) architecture does not provide sufficient SBus address-space-per-slot for the ZX.<br><br>It works in the SS10, SS20, SPARCclassic and the SPARCstation-LX. Sun even offered the "LX fitted with a ZX" as a standard product - the SPARCstation-ZX.<br><br>Regarding the SS5, I can't see any reason why it wouldn't work there, although I can't definitely remember anyone confiming that.<br><br>Regards,<br>Mike</div><br><br><div class="gmail_quote"><div dir="auto">On 6 March 2025 13:31:20 GMT, silcreval via rescue <rescue@sunhelp.org> wrote:</div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail"><div dir="auto">Just reviewing all the docs around the ZX Framebuffer, and I know that conventional wisdom is that you have to use this on a SS 5, 10, 20 or later machine.<br><br>I did notice however on the Field Engineers Handbook, that it does say it is compatible with the 4/75 aka Sparcstation 2. Is that right or a typo ?<br><br>- Ian<hr>rescue list - <a href="http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org">http://sunhelp.org/mailman/listinfo/rescue_sunhelp.org</a><br></div></pre></blockquote></div></body></html>