ASUS A8N-Premium RAM

[philip0903]

OK..so here's the deal:

-I have an Asus A8N premium MOBO, evga 7800gtx, 2x1 CORSAIR xms at 400 MHZ, and an AMD x2-4800+.
-The other day i was overclocking my cpu and i managed to get it stabily and succesfuly to 2.75 ghz (default 2.4). NOTE: my comp was completly stable.
-Then being the idiot that I am i decided to change the RAM timings... my original timings were 3-8-3-3 and they worked perfectly fine and computer was perfectly stable i played basicaly any game with MAX settings. Anyways back to the problem... i changed the CAS and RAS settings to something like 2-5-2-2. when i exited BIOS and saved the changes my comp rebooted and all of a sudden i got a continuing series of beeps with no Visual on my screeen and BIOS wasn't loading up. So NOW atleast i know that the reason why BIOS wont even show up is because i changed the RAM timings.ive been looking online for how to fix this (ASUS uses AWARDBios and i found out that when BIOS beeps uNDER AWARDBios it means a problem with RAM or the GPU) which i already know.SO BASically i know that the RAM timings are the problem and BIOS wont even show up so theres no way of me getting into BIOS to change back to original settings. WUT in the world do i do... if somone could help i WOULD GRATELLY APPRECIATE IT!!
TY
Philipe

[FantasySoul]

My friend have a rather similar problem.His computer have screen but says "Bios checksum error".
To be curious I have tested everything but RAM,CPU and GPU in his computer.But non-working.
Then finally I swapped the RAM to another slot only then it can boot!The reason is the ram slot tossed!
For your case I think try swapping your RAM in your com to see if it works.Or else try another similar RAM instead.

[rspassey]

Clear CMOS and you should be fine. Read in your mobo manual how to clear CMOS by removing its jumper..etc... boot up and your RAM timings will be restored - all your settings in fact will be restored.

[jfk]

Clearing the CMOS as ryan mentioned should solve your problems. Also, I'm not an expert overclocker by any means, but you usually need to LOOSEN the memory timings as the OC increases, NOT tighten them up. Tightening them up like you did after having the CPU OC'd is a recipe for instability and crashes like you experienced. If you want tight RAM timings, see how far you can tighten them, then once you establish a base you can try to see how far the CPU will overclock with those ram timings. You may need to put the ram on a divider as well, to keep low timings while allowing the CPU OC to be maxed. That's not a huge deal, as the Athlon64's don't take a big hit when the memory is on a divider like earlier models.