Archived from groups: alt.comp.periphs.mainboard.asus (
More info?)
Some bright spark suggested that I upgraded my bios to the latest version to
see if that fixed the problem
the upgrade utility said the flash was successful, but after the reboot all
I get is blank black screen, no message to say the bios was corrupt or
anything as the manual shows, so I could not restore the bios from the CD.
I'm Now left with a completely dead system. I've given up (scrapped the
whole thing) and put back in my old trusty a7v133 motherboard
"Mike" <dy73ui39aHe5@hotmail.com> wrote in message
news:gh7ll01d29ag7tivuejj31puvoh8cm30kv@4ax.com...
> >Hi Mike,
>>
>>If I set the bios to 'Normal' as apposed to 'Turbo' and have just 1 dimm
>>in,
>>then it does not lockup, however on one occasion it failed test 5 ,
>>writing
>>10000000 it read back 10000010 , so it does sound like a timing issue.
>
> I agree... some types of memory just don't seem to like working properly
> in some
> motherboards. ie. very fussy.
> I use 2 sticks of Twinmos 512meg cas2.5 which runs without any problems
> even at
> the cas2 and turbo settings. Having said that... I did have occasional
> blue
> screens and lockups when I added the second stick some time ago now, on
> checking with memtest it was failing on that particular stick so it went
> back to
> the dealer and was swapped... no problems since. I do however have to use
> 2.63v
> otherwise I do get BSODS & lockups and of course memtest fails.
>
>>I've also set CAS to 30 instead of Auto, and when I set the DDR voltage
>>from
>>'Auto' to '2.6V' (as you suggested) it locks up sooner than when it is set
>>to Auto (I assume Auto is less than 2.6V?
>>
>
> I'm unsure myself if Auto defaults to the basic stock voltage of 2.5v, or
> if
> indeed its smart enough to say write to a few memory locations and read
> back the
> contents written... increasing the voltage each time until it reads back
> perfectly... or is that just wishful thinking on my part. :-))
>
> AAMOI does it lock up also at higher voltages than 2.63v ie up in 2.7 and
> 2.8
> ranges. Don't worry about it damaging the memory... should be safe
> enough..
> some guys run at 2.9v when overclocking their systems. Some memory seems
> to
> like more voltage while at the same time a few simply don't like it at
> all.
> Could be that the memory you have is simply not compatible with the
> m/board..
> it does happen.
>
> You should be able to check the actual voltage being applied by using the
> ASUS
> Probe monitoring utility or something like Sisoft Sandra diagnostics.
>
> Cheers
>
> Mike
>