Archived from groups: alt.comp.periphs.mainboard.epox (
More info?)
Even if he has a locked cpu he can still overclock by uping the fsb.
DaveL
"David" <david.fullarton@nopestsblueyonder.co.uk> wrote in message
news:fjxhd.4251$up1.4250@text.news.blueyonder.co.uk...
>
> "Graham W" <graham@his.com.puter.INVALID> wrote in message
> news:41858139$0$550$ed2619ec@ptn-nntp-reader03.plus.net...
> > Hugh Sutherland wrote:
> >> "Graham W" <graham@his.com.puter.INVALID> wrote in message
> >> news:4184e66c$0$4011$ed2619ec@ptn-nntp-reader01.plus.net...
> >>> Hugh Sutherland wrote:
> >>>> My Athlon XP1800+ runs @ 133Mhz FSB. I want to be able to OC it to
> >>>> either 166 or maybe even 200.
> >>>> My DDR is PC3200 DDR400. Anyone who knows this board and chip
> >>>> please give me their experience with this.
> >>>> Please be as specific as possible about the bios changes.
> >>>
> >>> You haven't said what board and chipset you are using.
> >>>
> >> EPOX EP-8RDA+ and NFORCE chipset
> >
> > Same board as mine, then! Your best bet is to buy a Mobile Athlon
> > of probably XPM2500+ as it is unlocked and run that at 200MHz fsb.
> > Then you can play with the multiplier and get into the 3200+ area. This
> > is what I have.
> >
> > These CPUs are cheap in Europe and should be the same in CA.
> > The XP1800+ is locked and there's a lot of messing about to bypass
> > the links.
> >
> > The article in the Miscellanea section of my website describes various
> > things I did when building my XP1800+ in an EPoX EP-8KHA+ m/b.
> >
> Depends what flavour of 1800- get cpu-z it will tell you what flavour of
> core it is. If its a thoroughbred B core it ain't locked. I am running a
TB
> B 1700+(see below) at 2.04 ghz on an epox 8rda+ and I could increase it
even
> more but I am happy with that. Granted you will never hit fsb of 200
without
> additional cooling on the chipset. Just remember run the memory at same
> speed as fsb and agp locked at 66mhz.
>
> Try small steps say multiplier of 10 X fsb of 150(ok slightly
> nderclocked) - run prime 95 for a while - no errors - fine bump fsb up by
> 5. You might need to increase voltages if system starts to become unstable
> and/or relax memory timings
>
> CPU-Z version 1.23.1
> ----------------------
>
> CPUID Output
> --------------------------------------------------------------------------
----
>
> Number of CPUs 1
> Name AMD Athlon XP
> Code name Thoroughbred
> Specification AMD Athlon(tm) XP 2400+
> Family/Model/Stepping 681
> Extended Family/Model 7/8
> Package Socket A
> Core Stepping B0
> Technology 0.13µ
> Instructions Sets MMX, Extended MMX, 3DNow!, Extended 3DNow!, SSE
> Clock Speed 2044.2 MHz
> Clock multiplier x11.0
> Front Side Bus Frequency 185.8 MHz
> Bus Speed 371.7 MHz
>
>
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