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Unknown SPARCstation 20 CPU

antiquekid3

antiquekid3

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I took apart a SPARCstation 20 tonight and didn't recognize the CPU in it. What am I looking at here?

1000031664.jpg
 
I don't recognize it either but I strongly suspect it's a dual HyperSPARC of some description.

edit: I think I can just about read the sticker that would indicate it's a 142 MHz module, which probably means it's got 1 MB L2.
 
Last edited:
Agree with likely dual hypersparc, but I have never seen that CPU either. Pretty cool
 
Very wide module as well, normally the Ross CPUs are single width. Maybe the cooling is better on this.
 
Google says that a P/N 511-6326 is a SUN / ROSS DUAL 125 MHz HYPERSPARC 511-6326 Sun SPARCstation 20.
There is one for sale on eBay.
 
m_thompson said:
Google says that a P/N 511-6326 is a SUN / ROSS DUAL 125 MHz HYPERSPARC 511-6326 Sun SPARCstation 20.
There is one for sale on eBay.
Click to expand...

Ross used generic part numbers that only tell you if it's single or dual and how much cache but there's many exception and overlaps so you can't fully trust them and when bridgepoint took over they changed things around a lot. Because of that it's best to just ignore the sun style part number and look at the other labels. This one has a label below the part number that says "142 05 9740 - 64". 142 is the speed, 05 is the factory it was made in, 9740 is the date code, and -64 tells you the bill of materials used to make it but we don't have enough info to decode that.
 
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