Its not cool, but underclocking!

hogfather

hogfather

hogfather

Soldato
Joined
8 Jun 2004
Posts
3,074
Location
Sarrrf London
Hi guys back again!

I've been in here before regarding my antec aria / xp2000 system. Basically, the old girl is running 57 C idle, up to 65 load.

Got a silent (but usual rpm) akasa hs+f, 1x akasa amber 80mm and 1 x 60mm Silenx fans all at full 12 v goodness.

So basically she's running HOT! And there's not much more I can do because I want it lovely and quiet, and as the case is tiny temps will be high, but not this high. The only other fan I could replace is the 120mm jobee in the psu - its quite loud and honestly it barely pushes any air at all!

So on my old board (k7s5a) I could bring the cpu FSB from the 133 down to 100 to give me a clock speed of 1215mhz. Given that I'm not gaming these days, this is now a viable option. Will it reduce heat much?

Also 1 problem - the bios doesnt allow fsb changing. Its an Asus k7S8x-mx micro atx board. I was going to try doing it through Clockgen, but the board isnt supported.


What are my options for underclocking? Or is it not worth it in terms of reduced heat?
 
bin the akasa. they are crap. try and source somethign from thermalright - the slk800/900 ect, or the sp-97. any of them will keep it more than cool enough are are all still low profile heatsinks so they should all fit in the aria:)
 
It used to run at 45 idle in the old case, so I'm a little concerned - that was with stock heatsink!

James, is the akasa bad? Damn. Only cost a fiver I suppose. Would the stock one be any better? its smaller, so airflow would improve - at the mo the cpu fan is about 1mm from the bottom of the psu - with only half the fan clear.

Obviously that's the problem, but I can't move the psu or board so.
 
No voltage options. All I can change is Ram:cpu ratio :(

But I would change that to give 1215mhz, but sadly there isnt an option to make the ram go at 133, cpu at 100 (4:3) only 3:4, 1:1, auto etc.

Case is brand new, but the aria is tiny - I've got a 60mm cos its the only size that will fit in the pci slots gap at the rear.
 
You could always try the Zalman 7000. I've got one in my Aria, and it kept my 2500 to 58 under load (with no extra fans or anything), and now keeps my overclocked Opteron at 43 under load, and that's on low speed and is silent. Very good cooler indeed, and the best you can fit in the Aria.
 
hogfather said:
Which one? The 13 quid or the 18 quid (pre vat)?

In any case I need to check I've got mounting holes on the mobo around the socket when I get home. Cheers tho.
Click to expand...

Yeah best to check you've got the holes first. I'd go for the copper version, with temps like that you need all the help you can get. Have you considered cutting a blowhole or two in the side panels? I've seen it done effectively.
 
The xp2000 palomino is just about the hottest athlon xp they made, but even so! I'm reluctant to cut holes in my case really, I don't have the tools or skill!

I've a 120mm amber akasa fan on order now, so that'll go in the psu to aid airflow.

Thanks chaps, wil report back!
 
go for an SI-97 thermalright cooler mate, £28 but as as far as im concerned,the best money i spent on my machine, with that and FAN EQ working in my machine, the 2500+ @ 3200 never hits higher than 47 degrees on load. (thats after an hour of NFS most wanted btw) and idles at 38
 
I haven't reseated it, no.

I've got some Arctic Ceramique sitting at home unused as the Akasa had some gloop on it already, and i didnt have any stuff to remove it with.

I'm thinking of going back to the stock heatsink, reseat it using the ceramique and with the stock sink being physically smaller, getting heat away will be easier as the fan isn't blocked so much by the cpu.

Sound ok?

I really didnt *** to reseat the heatsink, Socket A HS application is a terrifying experience. I don't know how it all doesnt just break! It does mean I have to take the entire PC to bits though :(
 
Alreet boyos,


I've opened up the psu. Warranty now void so now going back!

The fan in the psu is a 120mm with a 2 pin connection - red and a black wire. The akasa amber 120mm I'll be replacing it with is 3 pin. How do I go about connecting it up?
 
Hogfather, could you possibly take a few pictures of the PSU internals? I'm planning on doing something similar with mine. Are you going to drill some more holes too? You might also want to cut off the honeycomb mesh on the rear of the case.
 
For sure I'll take some pictures bruv. I'll upload em around 8ish tonight.

I've ordered a few 3 pin to 4 pin converters for my fans - so even if I'm too retarded to rewire this fan in the psu, I'll just route it out of the psu and connect up to the molex. Its all about the backup plan!

I've not got the tools to drill holes really, though I think it would help. I'm going to see how it all fares with the mesh still on the rear, if it needs removing, lo it shall be done.
 
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