PAK68/3-030 50Mhz

Benchmark screenshots for various boosters & machines.
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frank.lukas
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PAK68/3-030 50Mhz

Post by frank.lukas »

PAK68/3-030 50Mhz

P030_TT.jpg
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TheNameOfTheGame
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Re: PAK68/3-030 50Mhz

Post by TheNameOfTheGame »

Nice, reminds me I have to try out my PAK in 50Mhz mode. I have all the parts now.

Is there any way to query the FPU to see if it is indeed 50Mhz? I bought one from ebay but there's always the possibility is was re-marked from a slower one.
czietz
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Re: PAK68/3-030 50Mhz

Post by czietz »

TheNameOfTheGame wrote: Thu Apr 08, 2021 3:17 pm Is there any way to query the FPU to see if it is indeed 50Mhz? I bought one from ebay but there's always the possibility is was re-marked from a slower one.
Being from eBay, I would even say it is likely to be remarked. There is no way of querying the designated speed from software. After all, it's always the same chip. In their production's end of line, Motorola tested them to see up to which speed it worked correctly and marked them accordingly.

dml's FPUTEST.TOS should give you confidence, however, that your FPU operates correctly at the speed you selected. If you can't find FPUTEST with Google, let me know, I must have it somewhere.
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Re: PAK68/3-030 50Mhz

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TheNameOfTheGame
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Re: PAK68/3-030 50Mhz

Post by TheNameOfTheGame »

Thanks for the heads up!
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frank.lukas
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Re: PAK68/3-030 50Mhz

Post by frank.lukas »

...
GB630PAK.gif
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TheNameOfTheGame
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Re: PAK68/3-030 50Mhz

Post by TheNameOfTheGame »

This is my benchmark after fitting the 50Mhz parts. It's a little different from Frank's for some reason.

pak50mhz_gembench.jpg
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With NVDI it gets faster.

pak50mhz_gembench_nvdi.jpg
pak50mhz_gembench_nvdi.jpg (87.28 KiB) Viewed 3849 times

I hope I'm running at 50Mhz, because I can't tell from sysinfo. It reports I am at 96Mhz.

pak50mhz_sysinfo.jpg
pak50mhz_sysinfo.jpg (78.5 KiB) Viewed 3849 times

fputest runs ok, but since I am not sure about the CPU speed, the FPU could be running slower I guess.

pak50mhz_fputest.jpg
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frank.lukas
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Re: PAK68/3-030 50Mhz

Post by frank.lukas »

Fastram is missing on your?
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TheNameOfTheGame
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Re: PAK68/3-030 50Mhz

Post by TheNameOfTheGame »

Yes, my Frak2 isn't done yet so I am stuck with ST-RAM at the moment.
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Darklord
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Re: PAK68/3-030 50Mhz

Post by Darklord »

Frank has TT-RAM. Your setup does not, right? Not sure how much of
a difference that will make.

Also, you might want to check the Pak manual but IIRC (big if) the
CPU speed and FPU speed are supposed to be matched.

Grabbed a screenshot but I'm not sure how this applies. Hopefully
someone with more knowledge can step in and help:

Screenshot_20210408_143233.png
Screenshot_20210408_143233.png (242.1 KiB) Viewed 3836 times
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