Testing RAM without MEMTEST86

fixxxer0

Senior member
Dec 28, 2004
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I know MEMTEST is pretty much the end all for testing ram for errors and stability.

However, it requires you to boot off the disc and run it without an operating system for extended period of time (8+ hours).


I need to have my computer on to do mundane things like check email, IM's, weather, ect ect. What is the best memory testing program out there for use while windows is booted? I know Prime95 has a RAM test mode, and theres S&M but I don't know how good those are.


Also, given the best windows memory testing program, is it that much more inferior than MEMTEST? (or one that isn't running with an OS?)
 

iwantanewcomputer

Diamond Member
Apr 4, 2004
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i think there are some...i used memtest a while ago and it was a pain testing many different options. i had an old athlon 64 and it had a memory controller that wouldn't work past about 210 mhz(x2 for the ddr speed), before people realized that this happened, and people kept telling me the memory was bad even though it was rated for much higher speed.
 

Zim

Golden Member
Dec 25, 2003
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I use S&M. It seems to be a brutal test that finds errors other software does not.
 

Avalon

Diamond Member
Jul 16, 2001
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A 32M run of Superpi might put some stress on your RAM, although I don't know how effective it is compared to MEMTEST.
 

Billb2

Diamond Member
Mar 25, 2005
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Originally posted by: Avalon
A 32M run of Superpi might put some stress on your RAM, although I don't know how effective it is compared to MEMTEST.
If your memory will pass Superpi 32M, then it's good for anything.

 

orangat

Golden Member
Jun 7, 2004
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Originally posted by: Billb2
Originally posted by: Avalon
A 32M run of Superpi might put some stress on your RAM, although I don't know how effective it is compared to MEMTEST.
If your memory will pass Superpi 32M, then it's good for anything.

Not necessarily. How do we know superpi uses every bit of memory available and uses them evenly.

The best ram tester is memtest and the like. I can't remember if its test 5,8 which are the most failure prone in bad modules.
 

Billb2

Diamond Member
Mar 25, 2005
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Originally posted by: orangat
Not necessarily. How do we know superpi uses every bit of memory available and uses them evenly.

The best ram tester is memtest and the like. I can't remember if its test 5,8 which are the most failure prone in bad modules.
Well, it's kind of like "Do you ever cross a street against the light? That's not 100% sure, safe but you're still alive are'nt you? It's kind of the same with memory. 24hrs of memtest-86 is pretty certain stability, but Superpi 32M with out pushing speed or latencies to the limit will keep you alive.

 

Zap

Elite Member
Oct 13, 1999
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Originally posted by: fixxxer0
I know MEMTEST is pretty much the end all for testing ram for errors and stability.

However, it requires you to boot off the disc and run it without an operating system for extended period of time (8+ hours).

You don't necessarily need to run it that long. First pass will probably get most of the errors, IMO. How long for a pass depends on your system performance, RAM speed, RAM amount...