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New MMX-optimized App crashing on K6-2+ & CPU wrongly identified

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BenHer:
Good identifcation of the spot where error might be occuring.

There are a few things going on with Speed measurement..but they are all inside the program (except a few calls to the Operating system, not the BIOS).

I suspect the program is trying to see how fast memory can be read using MMX instructions, but something about MMX isn't working the way it does on other systems.  Thats what is occuring during CPU speed testing.

The oldest K6 I have access to is a K6-3D+, and it rarely even boots (laptop).  Not the place to really do serious testing.

talaktalan:
Ok, thx. I guess I wil now wait until the K6-III is finished (to see if everything is fine and validated). I also have a SETI beta workunit running on the K6-2+ currently (with the standard app from Berkeley). Let's see what comes out there.

As a next step (in a few days) I might swap both cpus. If I underclock the K6-III a bit, it should also work on the i430TX board. The K6-2+ will go into a slightly more modern super 7 board with full support. And then I'll check what happens.

I give an update, when ready with that. That is, if you don't have any other suggestion. ;)

Regards

Alex

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