Tom's Hardware > Forum > CPU & Components > CPUs > [Solved] CPU link width 8bit vs 16bit??

[Solved] CPU link width 8bit vs 16bit??

Forum CPU & Components : CPUs - [Solved] CPU link width 8bit vs 16bit??

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rambo117   09-06-2009 at 10:44:26 PM

ok, so today ive been screwing around crashing and OCing my comp and came across a setting to set my CPU link width to either 8bit or 16bit.. what is it?? id assume that 16bit is better but idk, want some oppinions first.

btw, finally got my HT speed to 2600mhz!! =]

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Best answer from Devastator_uk
16 bits will provide more bandwidth, so potentially more performance. However the wider the bus, the more chance of data corruption (the error checking and correction should prevent it from crashing but packets have to be resent so loss of performance), so you may have to lower the frequency of the HT to compensate. So in some cases you may be better leaving it at 8 bits, but I've not found any problems running at 16 bits (although mine runs at only 2000MHz because of maximum it supports).
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rambo117   09-07-2009 at 07:00:52 AM

anyone wish to enlighten me...?

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505090   09-07-2009 at 08:43:03 AM

check your owners manual

you'll get better answers if you provide better info: processor? motherboard?

------------------------------ E8400 : GA-EP35-DS3L : mushkin 4GB DDR2 800 : HD 2600PRO : 450W ATX12V : Windows 7
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rambo117   09-07-2009 at 03:01:21 PM

i have a link to my config, just click the more information tab. and i already looked through the manuel, said nothing about the cpu link width..

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505090   09-07-2009 at 08:41:36 PM

can't find it int he manual either try contacting gigabyte

------------------------------ E8400 : GA-EP35-DS3L : mushkin 4GB DDR2 800 : HD 2600PRO : 450W ATX12V : Windows 7
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Devastator_uk   09-07-2009 at 08:51:05 PM
Best answer

16 bits will provide more bandwidth, so potentially more performance. However the wider the bus, the more chance of data corruption (the error checking and correction should prevent it from crashing but packets have to be resent so loss of performance), so you may have to lower the frequency of the HT to compensate. So in some cases you may be better leaving it at 8 bits, but I've not found any problems running at 16 bits (although mine runs at only 2000MHz because of maximum it supports).

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OS: BSD, Linux, Solaris & Windows (use VirtualBox)
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rambo117   09-08-2009 at 07:16:20 AM

Devastator_uk wrote :

16 bits will provide more bandwidth, so potentially more performance. However the wider the bus, the more chance of data corruption (the error checking and correction should prevent it from crashing but packets have to be resent so loss of performance), so you may have to lower the frequency of the HT to compensate. So in some cases you may be better leaving it at 8 bits, but I've not found any problems running at 16 bits (although mine runs at only 2000MHz because of maximum it supports).


thanks devastator! i'll give it a shot with 16bit. if its unstable with my 2600ht oc, then ill just leave it set to auto.

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