GA-EP45-UD3P - Won't boot with 450FSB

[D-an-W]

Re: GA-EP45-UD3P - Won't boot with 450FSB

That real life trip again I am afraid!

I am pretty comfortable @ 4.33GHz now, actually using the PC!

Also took it to work with me at the weekend and cleaned it all out with the airline, almost 5 months of "building" dust seemed to have found its way inside.

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

What are your voltages again?
I came to a disturbing conclusion - my CPU sucks more than a porn star and needs 1.35 VCORE (or more but I don't thnk so) for 4GHz. Apart from that, I seem to be finally stable with [email protected] MCH core and 1.2VTT.
edit: wtf, I posted the same stuff 2 days ago. Lack of sleep and too much gaming=bad.
Question: let's assume permanent load. What would be the difference in power consumption between default VCORE and say 1.36250?

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

Guys, would anyone have a suggestion how to play with advanced memory timings?
I got 1066 memory, currently running at 1080 (which is nothing really), 2.1V default. I am looking forward to tighten them a bit, but knowing close to nothing about this stuff, I could use and advice. Which ones to play with first and what kinda values?
I can boot and run Prime95 ok with these:
tRRD - 3
tWTR - 3
tWR - 3
tRFC - 62
tRTP - 3
CMD - 2 (cannot go lower else reboot loop, which was expected)

static tRead value of 10 - again, impossible to go lower
driving strength 1066MHz

edit: fail in 30 mins :P

[profJim]

Re: GA-EP45-UD3P - Won't boot with 450FSB

My system was stable with 1-3-3-50-1 Advanced memory timings, but it was an awful lot of work for small gains. When I set these to AUTO (tRFC still manually set to 50), I changed Performance Enhance from Standard to Turbo. Memory benchmarks were the same, down to the second decimal place.
Naturally, additional extended stress testing is required.

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

Ah, allright then, apparently no point in messing with this stuff. The auto+turbo approach sounds good, I will give it a shot.

Oh by the way after endless weeks I finally got 540x7.5 stable again! With 1.28 MCH core just like the first time!

edit: based on what are the values set in auto mode?

[profJim]

Re: GA-EP45-UD3P - Won't boot with 450FSB

AUTO settings are intentionally conservative so that a successful boot will (hopefully) occur. With memory timings, the bios reads the SPD memory values set by the memory manufacturer. These SPD settings are often somewhat conservative.

Keep in mind that displayed Memset values and manually set bios values will be different for tWTR, tWR, and tRTP. Lsdme covers this in his Memset vs ET6 thread.

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

Yup I was reading those but a little confused. Is there any way how the values from BIOS are converted to show in MemSet?

Btw the difference in performance when using auto probably isn't anything huge?

[profJim]

Re: GA-EP45-UD3P - Won't boot with 450FSB

tWTR +7 = Memset value (Rank Write to Read Delay)
tWR + 5 = Memset value (Write to Precharge Delay)
tRTP +2 = Memset value (Read to Precharge Delay)

I hope this fully confuses you ;)

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

thank you o master
:D

edit: hey it doesn't fit in your numbers!
I know I got tWR set to 3 in the BIOS, and MemSet shows 11. According to you it should read 8!
/me is confused

[profJim]

Re: GA-EP45-UD3P - Won't boot with 450FSB

edit: hey it doesn't fit in your numbers!

OK, fine! So sue me
On a few occasions, I've noticed that the number difference was plus or minus 1, for example, the Memset value was +8 instead of +7.

Don't sweat the petty things....
.... and don't pet the sweaty things.

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

After some reading it seems the numbers are dependant on memory strap used. But hell, I still might just leave all of them on auto and just pump up the FSB even further :P

[profJim]

Re: GA-EP45-UD3P - Won't boot with 450FSB

I found that tRFC set to a tight setting improves memory scores quite a bit.
Tightening the remaining advanced timings resulted in 1 - 2% improvement.
Did you try the AUTO timings with performance enhance = Turbo?
If yes, was your system stable?

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

I found out I probably need to keep all of them at 4 else Prime95 crashes. I will see about your suggestion and values set by auto. It might be interesting though, cause I seem to be pushing the limits of my CPU/FSB combination - 540x7.5 is stable, 542 crashes rather fast :)

[kick]

Re: GA-EP45-UD3P - Won't boot with 450FSB

http://cad-comic.com/comics/20030523.jpg

This comic is 2003.Make sure your getting more for your $ rather than spending $ to get more.

[Octopuss]

Re: GA-EP45-UD3P - Won't boot with 450FSB

LOL, after trying the timings and then going back to the original template, I am no longer stable yet again :D :D :D That's almost hillarious. Prime failures after 5 or so hours lol.