Subject: RE: I have the KA660 tech manual
To: Michael Kukat <michael@hermes.camaronet.de>
From: Lindgren, Jon <jlindgren@espus.com>
List: port-vax
Date: 06/16/1999 16:58:43
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> Are there any special things to take care of when enabling the cache ?
> Antonio told me some parts out of the KA660 manual. I know
> the procedure of disabling, writing values to tag area, and enabling
> cache. I have sources with another procedure writing to invalidate
> filter areas... Main point is the primary cache, this is what i can
> test on my VAXstation 4000 VLC. [snip]
No prob.
> Another thing which is a bit important to make NetBSD useful
> on this box: i think there should be a TOY clock inside. In
> VAXstations this is the same chip used in PCs, the MC 6814...
> somewhat. Maybe VAX 4000 series uses another thing... [snip]
Absolutely - a whole section on it.
> Another thing: Does the 4000/200 have the console port on the
> CPU panel ? Then i think it is controlled by processor registers
> like on the old big boxes and the newer 4000/300.
Absolutely. The standalone unit I have has an mmj for the console, while
the larger rackmount 4000/200 I have has a nine pin. There's a section on
the console, too.
> With this information, and the values of SID (E/I 3e) and SIDEX (E/P
> 20040004) i think i should be able to get a running kernel for you to
> test. (Maybe we have to disable the cache again, if it makes the same
> trouble as on the VAXstation 4000 VLC). This means: you are
> able to boot
> NetBSD and do something useful with this nice machine :-)
Sounds good to me. I'll try to get you info ASAP on this. I have two
machines at home (soon to get a DELQA or two) which I can test on.
-Jon Lindgren
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<TITLE>RE: I have the KA660 tech manual</TITLE>
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<P><FONT SIZE=3D2>> Are there any special things to take care of =
when enabling the cache ?</FONT>
<BR><FONT SIZE=3D2>> Antonio told me some parts out of the KA660 =
manual. I know </FONT>
<BR><FONT SIZE=3D2>> the procedure of disabling, writing values to =
tag area, and enabling</FONT>
<BR><FONT SIZE=3D2>> cache. I have sources with another procedure =
writing to invalidate</FONT>
<BR><FONT SIZE=3D2>> filter areas... Main point is the primary =
cache, this is what i can</FONT>
<BR><FONT SIZE=3D2>> test on my VAXstation 4000 VLC. =
[snip]</FONT>
</P>
<P><FONT SIZE=3D2>No prob.</FONT>
</P>
<P><FONT SIZE=3D2>> Another thing which is a bit important to make =
NetBSD useful </FONT>
<BR><FONT SIZE=3D2>> on this box: i think there should be a TOY =
clock inside. In </FONT>
<BR><FONT SIZE=3D2>> VAXstations this is the same chip used in PCs, =
the MC 6814...</FONT>
<BR><FONT SIZE=3D2>> somewhat. Maybe VAX 4000 series uses another =
thing... [snip]</FONT>
</P>
<P><FONT SIZE=3D2>Absolutely - a whole section on it.</FONT>
</P>
<P><FONT SIZE=3D2>> Another thing: Does the 4000/200 have the =
console port on the </FONT>
<BR><FONT SIZE=3D2>> CPU panel ? Then i think it is controlled =
by processor registers</FONT>
<BR><FONT SIZE=3D2>> like on the old big boxes and the newer =
4000/300.</FONT>
</P>
<P><FONT SIZE=3D2>Absolutely. The standalone unit I have has an =
mmj for the console, while the larger rackmount 4000/200 I have has a =
nine pin. There's a section on the console, too.</FONT></P>
<P><FONT SIZE=3D2>> With this information, and the values of SID =
(E/I 3e) and SIDEX (E/P</FONT>
<BR><FONT SIZE=3D2>> 20040004) i think i should be able to get a =
running kernel for you to</FONT>
<BR><FONT SIZE=3D2>> test. (Maybe we have to disable the cache =
again, if it makes the same</FONT>
<BR><FONT SIZE=3D2>> trouble as on the VAXstation 4000 VLC). This =
means: you are </FONT>
<BR><FONT SIZE=3D2>> able to boot</FONT>
<BR><FONT SIZE=3D2>> NetBSD and do something useful with this nice =
machine :-)</FONT>
</P>
<P><FONT SIZE=3D2>Sounds good to me. I'll try to get you info =
ASAP on this. I have two machines at home (soon to get a DELQA or =
two) which I can test on.</FONT></P>
<P><FONT SIZE=3D2>-Jon Lindgren</FONT>
</P>
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