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Mobile 2600+ multi locked @15x

R

rhy7s

Limp Gawd
Joined
May 13, 2002
Messages
314
I have just dropped a 2600+ mobile into an MSI KT6 Delta FISR and am having issues with the multiplier staying at 15x. The KT6 automatically detects the mobile and sets it to 15x 133MHz by default. I thought I'd have a look-see at the same clock speed by dropping the multi to 10x @ 200MHz (RAM is 2x 256MB TwinMos CH-5 @200MHz 2.5-3-3-8). This failed to post so I reset CMOS, and tried 12x @ 166MHz. I'm now sitting in Windows and CPU-Z reports: 2505MHz clock, 15x multi, 167MHz FSB, 1.552-1.568 vcore. Speedfan reports: 34° cpu, 30° case, 25° hdd (the old 1600+ was 42° cpu). I don't know if this is the best situation to remain in, I think I'd probably prefer the option of using a lower multi @200MHz as the RAM has no problem at that speed. If not, what should I raise the vcore to to ensure stability at this speed?

Edit: stepping IQYHA 0352MPMW w/Silent Boost
 
OK, I've closed the case and it's been running prime95 for the past 3+ hours at the less than ideal 15x 166MHz with vcore upped to 1.675, CPU at 51°C (case flow is low, ventilation is via the Enermax PSU and a Vantec stealth wired for 6v in series with another stealth on the GPU). I'll probably just stick with this if there is no trick to getting other multipliers with the mobile on this KT6 Delta. 300MHz more than I was planning on anyway. Would there be any advantage in underclocking the RAM to synchronous speeds and tightening the timings?
 
mobiles cant be locked... its a bios/mobo issue... you try doing the pin mod to force a multiplier?
athlons love bandwith.... keep it 1:1 overvolt it by .2 volts if you feel good about it and then see if you can tighten them some
 
you really need more case cooling.. i owned a silent boost.. great hsf but doesnt live up to slk...
silent boost cant handle 1.85 volts as well as a slk does.. at 1.65 volts my slk cools my cpu down to basically room temp... all i need to do now is to sell my 2800 so i can finaly get myself a good overclocking chip
 
Re: cooling, Prime isn't part of my normal computing day. Idle temps are a smidgen above 30° and normal load temps aren't breaking 40° usually. So stable @ 51° under Prime before the AS5 has settled in doesn't worry me when I'm trying to keep things quiet. I've read many reports of temperatures far in excess of this reading. Not to say that more cooling isn't preferable but I'm not really getting bang for the buck to go noisier for a few degrees, overclocking is more about saving money than spending it for me.
 
Seems that MSI are tight-lipped on adding support to the KT6 BIOS for unlocking higher multi CPUs. So the only option is modding the CPU, which I'm not keen to do. So I'll just stay at 2.5GHz on 166MHz FSB for now.
 
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