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K7S5A at 150fsb anyone?

M

meksta

Senior member
I got the overclockers bios and it has the 138 and 150 fsb. 138 works but 150 locks up after a while.

Will modding the chipset heatsink help? Or is there no hope 🙁
 
Overclocking requires a lot of cooling power. Yes modifying the chipset heatsink probably would help some. Also make sure you monitor your temps. Try to keep the cpu temp under 50C wile idleing. I have the same board and I'm not going to try to overclock until I get some better cooling devices. If you can get it to run stable at 150 let me know. I'll try it too.
 
Using setfsb I was able to get to 142 fsb... lock ups at 150 tho'. Using Volcano5 hsf. Idle temps hover around 50c.
What kinda hsf you have and what kinda mods are you thinking about doing?
 
memory might be the cause here too. that board supports SDRAM and DDR ram. What kind are you using? Most PC133 SDRAM might have a problem at 150 mhz....
 
I was reading somewhere that the heatsink was using double sided tape to bond to the chipset. So people have been pulling them off to put thermal adhesive on it - this gives it much better heat transfer.

I have 256mb PC2100 ddr...might be a limiting factor. It boots up half way thru win2k...before choking
 
My ECS K7S5A was running stable at 150 FSB (1600+ @ 1575 MHz) with no mods and using the retail heatsink. I ran 3dmark2001, superpi, and prime95, they all looped stably. My temps were getting a bit on the high side though (48 C under load) so I kicked it back to 133/133 until I get my new heatsink some time this week 🙂

-Ice
 
good...so there is hope!

I am using at Tbird 1.2gig @133/133 with a SVC golden gate. My cpu temps are about 45-48 idle to 50-53 full load!

Just got me a bigger heatsink - hopefully that will help. It's the GC68
 
I've got my new K7S5A @ 146.9 FSB (using CPUFSB) for 1.469GHz from my Athlon 1.0GHz 🙂 , but locks up when tries 150 🙁

Stock hsf on north bridge, but cooling in case as follows:
120mm front intake
92mm intake above CPU
120mm exhaust on top
80mm on FOP heatsink, blowing over north bridge as well 🙂

CPU temp @ full load (Running Seti @ home for TA, see sig) is 49C.

BTW, using 256MB CAS3 SDRAM

Anyway, a 3MHz FSB increase for me isn't that much.

I'm very happy with this board, and runs my Athlon faster than my KT7 did, the FSB increase from 110 to 147 has really helped! 🙂


ConfusedBW
 
confusedBW, does CPUFSB allow for higher speeds than 150 FSB?

I'll definetly want to try higher than 150 FSB once I install my Alpha PAL8045... I'm hoping (wishing) to hit 166 FSB (that would be 1743 MHz <-- 2100+ levels, unlikely, but a guy can hope right?) *crosses fingers* 😀, the problem with CHFSB is that 166 MHz does not work under any circumstances. I'm pretty sure my RAM is good for it, it ran fine at CAS2 300 MHz.

BTW, is it true that you can't use memtest if you use CPUFSB?

-Ice
 
i leave my computer on 24/7 and the temp is almost always right at 54C 🙁

system really stable, though... just the number doesnt look good (in comparison)
 
CPUFSB does:

150/30/150
150/30/100
160/30/120
166.6/33.3/166.6
166.7/36.6/222.2
200/33.3/200


Whether your chipset, CPU and RAM will do that, i'm not sure! there is always the 150/30/100 if your ram won't do 150 🙂

not sure about memtest, never used it

ConfusedBW
 
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