Re: Memtest mystery

2011-03-19 Thread Kevin J. Cummings
On 03/19/2011 05:00 PM, Bill Davidsen wrote: > Very odd, in general the "correct" places allow two bank operation, which > speeds > operation by some "measurable but not noticeable" bit. Unusual, but I don't > doubt you, some vendor may have cut the odd corner. You are talking about "Dual Chann

Re: Memtest mystery

2011-03-19 Thread Bill Davidsen
Tom Horsley wrote: > I did have a server machine at work with a gazillion different > banks of memory which memtest86+ constantly said had memory errors > even though everything seemed to work fine. > > At some point, someone noticed that the memory wasn't plugged into > the different banks in the

Re: Memtest mystery

2011-03-13 Thread Timothy Murphy
Tom Horsley wrote: > I did have a server machine at work with a gazillion different > banks of memory which memtest86+ constantly said had memory errors > even though everything seemed to work fine. > > At some point, someone noticed that the memory wasn't plugged into > the different banks in th

Re: Memtest mystery

2011-03-13 Thread Tom Horsley
I did have a server machine at work with a gazillion different banks of memory which memtest86+ constantly said had memory errors even though everything seemed to work fine. At some point, someone noticed that the memory wasn't plugged into the different banks in the recommended symmetric configur

Re: Memtest mystery

2011-03-13 Thread fred smith
On Sun, Mar 13, 2011 at 03:38:10PM +, Timothy Murphy wrote: > compdoc wrote: > > >> Can memtest86 actually throw up errors on good modules? > > > > > > I run memtest86+ on every computer I service. Memory errors are rare, but > > they do happen and the computer tends to crash, etc. when they

RE: Memtest mystery

2011-03-13 Thread Timothy Murphy
compdoc wrote: >> Can memtest86 actually throw up errors on good modules? > > > I run memtest86+ on every computer I service. Memory errors are rare, but > they do happen and the computer tends to crash, etc. when they are > happening. > > If memtest was finding errors on good modules, which ar

RE: Memtest mystery

2011-03-13 Thread compdoc
> Can memtest86 actually throw up errors on good modules? I run memtest86+ on every computer I service. Memory errors are rare, but they do happen and the computer tends to crash, etc. when they are happening. If memtest was finding errors on good modules, which are installed in computers that d

Memtest mystery

2011-03-13 Thread Timothy Murphy
I recently had a problem on an ancient Dell Inspiron 610 laptop (my wife's work machine). I solved the problem, but I had wondered at one point if the RAM was faulty. So I re-booted the machine with a Fedora-14/KDE Live CD in, and booted into memtest86+ . This threw up hundreds of errors. I took t