<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">I was never aware of such a requirement and probably had many mismatches over the years. Never noticed any problems. <div><br></div><div>Maybe I was leaving performance or stability on the table, but in practical terms it never mattered. <br><div><br></div><div><br id="lineBreakAtBeginningOfSignature"><div dir="ltr">Steve</div><div dir="ltr"><br><blockquote type="cite">On Jul 20, 2024, at 7:16 AM, Ethan Hawke via rescue <rescue@sunhelp.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">
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<p>I believe one of mine SS20's has or had mixed SM71 modules. I
have mixed other modules (different speed hyperSPARCs for example)
and not had issues.</p>
<p>Mixing hyperSPARCs with SuperSPARCs will cause problems with
SunOS/Solaris/etc as they use different drivers.</p>
<p>You should be fine, but only one way to be sure!<br>
</p>
<p>Ethan<br>
</p>
<div class="moz-cite-prefix">On 20/7/24 22:05, Michael Dombrowski
via rescue wrote:<br>
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<div dir="ltr" data-setdir="false">The Rough Guide to MBUS
modules suggests that cache controller MXCC major versions
should be matched when using two mbus modules. My SM71 is
version 4.5, so I would need another of that specific version
of SM71, or any SM81 to follow the Rough Guide advice. Does
anyone have experience mixing 3.x and 4.x versions? <br>
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<div dir="ltr" data-setdir="false">mike<br>
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