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FSB multiplier isn't listening to me!

Last response: in Overclocking
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Anonymous
a b à CPUs
a b K Overclocking
September 27, 2010 11:47:00 PM

Hi,

One thing that's confusing me is the the following:

RealTemp reports my FSB multiplier as being 1 higher than I set it at now. When it was at 9, RealTemp reported (9x333.34 = ~3.000MHz). Then I bumped it up to 10 and I see 11x333.34 = 3666.76. Any idea if it's right and the PC isn't using 10 or if I'm at 10 and it's reporting wrong. I know it's using some kind of measurement and not just the settings because at one point I had Execute Disable on and it was showing the multiplier bouncing around. So I figure it's right and for some reason my PC isn't using the 10 I told it to. The thing is, I'd prefer 10 over 11 because the temps are getting a bit high (42c-min idle and 72c-max under 100% load). I only have the stock cooling from my last CPU so I understand I need to get a new one (next paycheck), but I think it would be fine for now if I was doing 10 (3.333Mhz) with temps a bit lower -- or I'd at least like to try. Any thoughts?

Thanks,
Dave

PS I'm putting this thread in the CPU OC section because I think RealTemp is correct
a b à CPUs
a b K Overclocking
September 28, 2010 3:34:03 AM

Try CPU-Z, always been accurate for me.
Anonymous
a b à CPUs
a b K Overclocking
September 28, 2010 10:38:43 PM

I meant I enabled the Enhanced Halt State to get the multiplier to jump around, not Execute Disable.
a b à CPUs
September 28, 2010 11:41:19 PM

Some recent motherboards have a BIOS "strap" setting
which only allow certain combinations of FSB and DRAM
frequencies.

Look into this to see if it explains why your multiplier
jumps to 11 when you choose 10.


On Intel chipsets, the multiplier will vary
if SpeedStep is enabled aka "EIST"
(Enhanced Intel SpeedStep Technology):

http://www.intel.com/cd/channel/reseller/asmo-na/eng/20...
http://www.intel.com/support/processors/sb/cs-028855.ht...


p.s. You haven't provided us with any specs
for your motherboard or CPU, so we can't
locate your motherboard's User Manual
without that information.


MRFS
!