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Upgrading an AthlonXP-M + NF2 to Athlon64 Socket 754

M

mooojojojo

Senior member
UPDATE 2

So I dedided on getting an Asus K8N with the entry level Athlon64 for Socket754 (2800+). Anything I should keep in mind when making the upgrade?

The cooler I'll most likely get is Igloo 7200 which can be seen here:
http://www.glacialtech.com/sub-product08.htm

BTW - this Athlon64 2800+ for the Socked 754 is the NewCastle core, right?

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UPDATE 1

Original message below. I think I'm gonna go for the quick upgrade (quick since I've had the AXP-M for just a week now). Can you please recommend me which Sempron 754 to choose, and a good NF3 mobo. My immediate choice for a mobo is the Asus K8N - is it a good board? Does it have all the needed overclocking controls?

I'm also willing to pay the extra $30 over the entry level Sempron 754 to get the lowest A64 (that being the 2800+). Is it worth it? Which is the better overclocker? I'm willing to overclock (hope I don't go into the same weird problems as I'm having now with the AXP-M) but without any fancy cooling solutions.

Thanks in advance for your input!

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I'm currently trying to make work an AXP-M 2400+ with an EPOX 8RDA+ Pro mobo, and I'm having hard time. Should I change the CPU / Mobo with a Sempron 754 with an Asus NForce3 mobo (K8N)?

Also, here's the other thread which illustrates my current struggle 😉
http://forums.anandtech.com/messageview...atid=27&threadid=1591740&enterthread=y
 
If the XP isn't working, go for it. What do you you do on your comp? An oc'd 90nm sempron at 2.5ish will own all over an XP at 2.4 - 2.5. Of course, if you get the XP working, the dif between that at 2.4 and a sempron at 2.4 may or may not be worth the price. Depends what you use it for.

EDIT: I just read the other thread. IMO, dump that junk and get a new mobo/cpu/ram if you can afford it. I went through that type of experience for like 6 months, I had an early A64/Asus K8T800 board and it would not run stable no matter what I did (was the mobo in the end) and the aggrivation is just not worth it.

What's your budget? A64's are pretty cheap these days....
 
Dman, the PC in question is my home PC / workstation. I use it for browsing and movies (no, or very light gaming), and for Photoshop / Illustrator when I have freelance projects outside my job.

I've been offered to give $15 to switch my current parts (AXP-M 2400+, 8RDA+ Pro and GlacialTech 2520) for the lowest Sempron 754 (2600+ I think), the Asus K8N and a HSF for the Sempron. Maybe I can also cover the price difference from that Sempron to the lowest A64 which is like $110 (a $30 difference).

Which are the best Sempron and A64 in Socket 754 for overclocking? And will I be able to overclock at all with my Kingston Value RAM DDR400 stick?
 
well, all athlon and semprons have the same ceiling on 754 despite their rated speed. that is why ppl with a 2800 can hit the same ceiling as some with a 3500. i believe it was 2.4-2.6ghz for 130nm, and 2.5-2.7ghz on 90nm -- given, those are CEILINGS, depends how good your sample is. just buy any sort of low-end a64 or sempron, you will be happy with it and i'm sure it will OC.

as for a64 vs sempron, for a while sempron was a better deal but now i think the 2800 and 3000 are so low in price that for the $100-120 i would get an a64. however if price is a big concern, the 90nm sempron new model (with the crappy cache) is only $75, so thats a deal.
 
Crypto: Thanks! I'd be pretty happy to have them at 2.2GHz even so it's good to know those ranges. As for the Sempron 90nm, I was looking at a review at XBit where the difference in performance was not that bad (i.e. the lesser cache didn't hurt the CPU too much).

On a related note - how is A64 / Sempron 754 overclocking done? Is it the same as with the AXP-M where the FSB, CPU, AGP etc. clocks are all linked in some way? Can I change the multiplier on the A64 / Sempron 754?

And finally - is there somewhere some comparison table between the current AMD CPUs, showing ratings, original MHz speeds, nm process, cache etc.?
 
2.2ghz is pretty easy, any AMD 130 or 90nm a64 or sempron will do that as far as i know, i hit 2.2ghz on stock voltage.

"how is A64 / Sempron 754 overclocking done?"

umm, with on-die mem controllers there are a few benefits and disadvantages. the main advantage is that your PCI/AGP is locked so there is no limit to how high you can push your fsb. AND you have memory DIVIDERs, so you can clock your CPU/FSB as high as you want without worrying about running your ram too high because you can just turn on the divider.
the disadvantage is that things get flaky with multiple dimms. very flaky. and also higher dram speeds will increase stress on CPU speeds and vica versa.
read some tutorials or help threads on "a64 overclocking" (sempron is in the same boat for OCing, just .1v different of vCore from a64 models).
 
So I guess I should expect no problems with the Asus K8N, A64 2800+, Kingston Value RAM DDR400 512MB stick and that GlacialTech 7200 cooler? 🙂
 
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