8500 RAM but no phenom...

hey,
Ok i'm a newbie and it shows - i underspent on the psu (another issue in another thread!) and i overspent on ram by buying some Cosair Dominator Twin2X2048-8500 memory.... but i don't have a Phenom cpu  .  I never realised the 5200 X2 doesn't use 1066mhz ram.  My RAM is running at 800mhz.
Is this the fastest mem speed I can go with this cpu or is there some way that i can overclock this memory to run faster?  if this has been discussed in length before then i apologise.
Thanks in advance,
Colly.
- MSI k9a2-cf bios rev 1.5
- Amd x2 5200XP
- Corsair Memory 2x1GB XMS2-8500 (not had a chance to run at full speed yet!)
- ATI Sapphire HD 2600 XT (256 GDDR4)
- 650W PSU
- Maxtor 320GB SATA
- Seagate 20GB IDE
- SATA DVDRW
- WINXP 32bit SP2

ok,
Currently my system's running at:
FSB = 200mhz,  RAM freq = 371 (*2 = 742 ),  cpu core = 2600,  ram stats = 5-5-5-18 2T,  CPU Multiplier = 13
Ok so  200 * 13 (multiplier) = 2600 MHZ CPU speed.
Finding the current MEM Speed: using a 1:2 cpu ram ratio = 1/2 multiplier (13) = 6.5,  x64 doesn't like odd nbrs so rounded up = 7
RAM SPEED = 2600 / 7 = 371.4 * 2 for ddr = 742.8mhz
so instead of 800mhz i have 742 but i want 1066!
so 1066 / 2 = 533.   533 * 7 (half the mult) = 3731, but that's sightly too high
2600 again...  2600 / 533 = 4.8 which would be a multiplier of 10.
so 2600 / 10 = 260FSB?
So to get my RAM running at 1066, I would need to set FSB at 266 and the CPU miltiplier at 10?
Will I be able to achieve this? what about power and heat - will the northbridge fry up at this speed?  I have a stock AMDcooler and a 120mm case fan.
do I need to change voltage or any memory latency?  I noticed the HT link speed moving from 1Ghz to 1330 - is this safe?
I read somewhere that "There is no gain usually in having the memory run faster than the processor. 1:1 is good"  - what does this mean?
Thanks - i hope this makes sense,
Colly

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