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Old memtest86 needed for K6-2 CPU

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First post, by bloodem

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Hello,

I had some stability issues (that I since managed to diagnose using the AIDA64 stress testing) on my Azza PT-5VMD + K6-2 combo, caused by incompatible RAM modules.
However, initially I wanted to use good old memtest86.. so I tried various older versions of memtest86 / memtest86+ and they all freeze right at startup, before any testing begins.
I remember that during that time, I was using older versions of memtest, like 2.0, 2.4, 2.5, but I couldn't find them anywhere. Does anybody have one of these older versions?
Thanks!

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 2 of 14, by bloodem

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No, ran memtest86 from DOS (without Emm386).

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 4 of 14, by bloodem

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are you suggesting to boot a linux live CD or something similar?
Yes I know grub, I used many years lilo before it 😀

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 5 of 14, by nimdasys_inbox_ru

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bloodem wrote on 2020-02-26, 21:15:

are you suggesting to boot a linux live CD or something similar?
Yes I know grub, I used many years lilo before it 😀

Well then, I'll try to make a image of diskette and convert it to ISO but after 10 hours because now it’s time to sleep...

Reply 8 of 14, by bloodem

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jtchip wrote on 2020-02-27, 01:15:

If you really need older versions, the official Memtest86+ site has versions all the way back to v2.00 at http://www.memtest.org/.

I already tested the versions from memtest.org, but even v2.00 is quite new, from 2008 and it didn't work. I'm talking about v2.xx from the original memtest86 (the ones with no "+"). Those are from 1999 / 2000.

maxtherabbit wrote on 2020-02-27, 00:17:

memtest 86+ 4.10 works on everything as far back as a 386

I tried it and in my case it freezes at startup... (even though the system is now 100% stable, it can withstand 8 hours of AIDA64 CPU/memory stress tests). I remember having this problem in the past too. Some motherboard/RAM combos have issues with newer memtest86 versions.

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 11 of 14, by bloodem

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Thanks, @lost77! I guess I'll need to buy a FDD... or a Floppy emulator 😀

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

Reply 14 of 14, by bloodem

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Yes, I'll probably use a modified Hiren's BootCD in the end.

1 x PLCC-68 / 2 x PGA132 / 5 x Skt 3 / 9 x Skt 7 / 12 x SS7 / 1 x Skt 8 / 14 x Slot 1 / 5 x Slot A
5 x Skt 370 / 8 x Skt A / 2 x Skt 478 / 2 x Skt 754 / 3 x Skt 939 / 7 x LGA775 / 1 x LGA1155
Current PC: Ryzen 7 5800X3D
Backup PC: Core i7 7700k

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