Nekochan Net

Were these once downloadable in Supportfolio?
Reading through http://www.sgi.com/products/software/irix/releases/irix6521.html imposes that this
was the case...
Since I'm about to add a graphics to my O200 it would be nice to have this version
at hand...

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If by downloadable you mean without a paid support contract, the answer is a conditional yes. At one time SGI's policy was to allow free access to IRIX 6.5 maintenance overlay <but not feature> releases once that particular revision was three releases old. That policy ended with the 6.5.22 overly release - it was the last overlay set made available via a free SupportFolio account. Public access to 6.5.21 <and lower> were pulled sometime ago, but the last time I looked the 6.5.22 upgrade was still available for download <if you've registered for a free SupportFolio account>.

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Welcome to ARMLand - 0/0x0d00
running...(sherwood-root 0607201829)
* InfiniteReality/Reality Software, IRIX 6.5 Release *
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I think the OP might need the PsiTech drivers (reading between the lines) which weren't in the 6.5.22 release. Not sure when they were pulled - it might not even be in 6.5.21.

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Damn the torpedoes, full speed ahead!

Systems available for remote access on request.

(single-CM)

I want to use an Impact graphics board (SE) with the O200, and according to
this http://forums.nekochan.net/viewtopic.php?f=3&t=5749 thread it
works best with 6.5.21 on the O200. It seems that on the O2000 higher versions
might also work, but I don't know if this is also true for the O200. At least the PS/2
are not useable with IRIX > 6.5.21 if I understand correctly.

However it might be a good idea to have 6.5.21 available when trying things out.
I have older versions at my hand (6.5, 6.5.10 and 6.5.15 install sets) and the 6.5.22
and 6.5.29 overlays, but no 6.5.21....

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Ok, this turned into a self-solving problem somehow...
Since there are 180Mhz PIMMs in this O200 IRIX complains
about a too old HUB ASIC during startup. I knew that this is
an issue on the O2k, but it was somewhat unclear if this is
also true for the O200. Well, it is...

Result: No graphics in my O200 until I stumble upon
some faster (and newer) PIMMs...

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If the hub is in fact too old then newer PIMMs won't help. The hub is on the mainboard on O200s (on O2k it's on the nodeboard, but there are very few nodeboards that will take the 180MHz HIMM modules, so a newer node is usually required).

_________________
Damn the torpedoes, full speed ahead!

Systems available for remote access on request.

(single-CM)