AM2+ CPU Limitation with DDR2 1066 Explained - Page 3 - Overclock.net

Cavi · 06-23-09

Quote:

Originally Posted by Cavi

bump so people get informed!

and again, weekly informative bump. I saw a couple of questions this week surrounding this very thing.

tubers · 06-28-09

i have a kingston ddr2 1066 Mhz.. i was able to run it at 1066Mhz @ 2,2 Volts

@ 7-8-8-24 @ 2T timings but i hang up on games and get random computer restarts

also ran at 3:8 ratio (1:2.66 in BIOS)

now im back to 880 Mhz 6-6-6-18 @ 2T

originally 800Mhz

*sigh*

Cavi · 06-30-09

Depending on the kind of Kingston ram you have, and the motherboard chipset, you may experience dificulties running 1066 anyway.

Fill out your system specs, I don't even know if you are running AMD or Intel!

tubers · 06-30-09

Quote:

Originally Posted by Cavi

Depending on the kind of Kingston ram you have, and the motherboard chipset, you may experience dificulties running 1066 anyway.

Fill out your system specs, I don't even know if you are running AMD or Intel!

woops sorry.. hmm im using an AMD system 3/4ths of the time and 1/4 intel..

so right now..

Phenom 9950BE
K9a2 Platinum V1 (790FX + SB600) (default BIOS = scared and dont know how to flash to upgrade)
4870 512mb
650watts PSU

i use the kingston ddr2 1066Mhz that has a 2.0 V written on it on the stick..
also on the receipt, a CL7 was wriiten somewhere there

i checked kingstons website but couldnt find my exact memory set (2x2 KHXA8500AD2K/4GR (if i remember correctly).. and that was not on their webiste..

checked the authenticity of my RAM through Kingstons Verification site and found that my memory sticks are genuine..

its finally running now at the specified speed and even in DUAL channel (it was running @ single channel for 7 months until someone taught me how fix the arrangement of the sticks in the mobo 2 days ago)

the "default" was 800Mhz @ 6-6-6-18-2T.. would it be better for me to go back to this specs?

PR1M3R · 06-30-09

Quote:

Originally Posted by Cavi

ahh yeah, Tracers, beauty D9s

That along with your BIOS update I mentioned earlier was probably your ticket! Awesome!

Just a little FYI, there are no 2Gb sticks that are D9's. They only made 1Gb modules.

Cavi · 06-30-09

Quote:

Originally Posted by tubers

the "default" was 800Mhz @ 6-6-6-18-2T.. would it be better for me to go back to this specs?

All RAM will boot to 800mhz by default on AM2 motherboards, as a precaution to simply get your computer to boot. Then you can modify your BIOS settings however you choose

Looks like you have a very basic kit of RAM. I would try updating your BIOS, as AM2/AM2+ motherboards have generally released bios updates that address 1066 stability concerns.

I would also note that AMD platforms generally respond better performance wise to tighter timings as opposed to faster memory clock

Cavi · 06-30-09

Quote:

Originally Posted by PR1M3R

Just a little FYI, there are no 2Gb sticks that are D9's. They only made 1Gb modules.

They made 1gb modules, but doubled the amount by placing the chips on both sides of the PCB. Rare, yes. But companies have used D9s on 2gb sticks before.

D9GSV and D9HNL chips have been confirmed on 2gb sticks

tubers · 07-01-09

Quote:

Originally Posted by Cavi

All RAM will boot to 800mhz by default on AM2 motherboards, as a precaution to simply get your computer to boot. Then you can modify your BIOS settings however you choose

Looks like you have a very basic kit of RAM. I would try updating your BIOS, as AM2/AM2+ motherboards have generally released bios updates that address 1066 stability concerns.

I would also note that AMD platforms generally respond better performance wise to tighter timings as opposed to faster memory clock

thank you sir.. i hope im not much of a bother but could u give me some idea and tips for updating the bios? (MSI liveupdate hates me.. it does not work) (my mobo has experienced 4 OSes: XP, Vista 32, 64 and another 64 bit.. Live update still doesnt work)

any tips on how to update the bios manually?

thanks again

oh and.. arrgghh so its basic? man we really got ripped off huh? $ 129.99 @ frys 7-8 months ago.. woe is me..

KINGSTON HYPER X my *toooot*!

Cavi · 07-01-09

Quote:

Originally Posted by tubers

thank you sir.. i hope im not much of a bother but could u give me some idea and tips for updating the bios? (MSI liveupdate hates me.. it does not work) (my mobo has experienced 4 OSes: XP, Vista 32, 64 and another 64 bit.. Live update still doesnt work)

any tips on how to update the bios manually?

thanks again

oh and.. arrgghh so its basic? man we really got ripped off huh? $ 129.99 @ frys 7-8 months ago.. woe is me..

KINGSTON HYPER X my *toooot*!

Oh there's nothing wrong with Kingston Hyper-X Ram, but there is much better ram for the dollar available :P

I would research how to update the BIOS from MSI website. I know you said you tried their installer, have you tried downloading the LATEST bios updater from the MSI website and use it. If that is what you have tried, try this website. It has plenty of tips. I have always used the ASUS EZ Flash so I am fairly noobish when it comes to updating the BIOS manually as well!

logan · 07-01-09

Usually you can find the BIOS file in ISO form, then burn it to a disk and boot from that. In the olden days you did this with a floppy drive, now you can use a USB if your board supports it, or a cd if it doesn't.

Just look around for the ISO file of the updated BIOS, and you should be able to boot from it (after you boot, you often have to hit a certain key for it to update the BIOS... mine is F10... just look it up in your manual).

Good luck

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AM2+ CPU Limitation with DDR2 1066 Explained

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