Archived from groups: alt.comp.hardware.overclocking.amd (
More info?)
"anthonyi" <anthony.i67_xxx@ntlworld_xxx.com> wrote in message
news:sO%qc.24$wm4.3@newsfe3-gui...
> Your experience is better than mine. I was hoping for that sort of
> performance but, certainly with the second board, no combination of
voltages
> and memory timings would get it above 200FSB although I was using the 1/21
> and 1/31 beta bioses, not 12/31. Using the original offical bios I was
> unable to get past 185FSB. I've provided a few details below, in case
> anything strikes you as to why I'm not at, say 240FSB.
>
> - My cooling is adequate - Danger Den water - and temps at 2.7GHz (12*225)
> on my third board are at around 42c, full load.
>
> - My memory is Mushkin using BH-6 chips - not as good as BH-5 but most
sites
> seem to be able to produce up to 245FSB with these DIMMS. I have got
2*512MB
> DIMMS running dual channel at 11-2-2-2 CPC enabled
Drop your CAS to 3.0
at 225FSB currently.
> Memtest stable. vdimm=3.0v, more voltage doesn't seem to help...neither
does
> turning CPC off (it dramatically reduces incidence of memtest errors (test
> #5) but does not eliminate them even at vdimm=3.3v)
>
> - BIOS is 1/31 beta.
>
> - Processor is XP-M 2500+ @ 1.95 vcore
>
> - chipset is at 1.6v (increases don't seem to help), cooling via a
Microcool
> Northpole.
Bad move - the best cooling is the stock sink with the stock thermal tape
and a small fan.
If you're using goop, the concavity of the chip may mean your NB is
overheating .... does the sink get warm ?
>
> - chipsinks on the MOSFETs for cpu, agp and ram
>
> - ram ratio is 1:1
>
> - agp clock at 66.
>
> Would love some help to increase my FSB if you have any ideas.
Try enabling fastwrites.
>
> Cheers.
> Anthony
>
> PS - still not crazy about the CPU socket placement and BIOS sudden death
> problems though!
>
>
>
> "Scumball" <scumball@btinternet.com> wrote in message
> news:c8hr64$snf$1@titan.btinternet.com...
> > I've had 3 DFI's - and they all cracked 250 FSB with ease.
> > Yes, there's an element of sudden cot-death risk with DFI - but high
FSB's
> > are guaranteed with 12/31 BIOS and turning off CPC (loses around 0.5-1%
> > bandwidth).
> >
> > "anthonyi" <anthony.i67_xxx@ntlworld_xxx.com> wrote in message
> > news:w%Zqc.19$wm4.16@newsfe3-gui...
> > > Agree.
> > >
> > > I went from an NF7-S to a DFI Ultra Infinity.
> > >
> > > - the first was DOA
> > > - the second wouldn't do > 200FSB and died when my video card went
> kapoot
> > > - the third does more like 230FSB, and may be limited by my memory
from
> > > doing more
> > >
> > > So I think there's an element of potluck involved. A quick search of
the
> > > relevant forums shows a lot of problems with the boards manufactured
> > outside
> > > of Taiwan (warped ZIF sockets etc) and issues with SATA performance.
> > > Heatsink clearance due to both CPU socket placement (it's ridiculous)
> and
> > > compenent clearances can also be an issue. There hasn't been an
official
> > > BIOS release since last November and a number of the beta bioses
(apart
> > from
> > > invalidating your warranty) seem to kill a large number of boards.
> > >
> > > However...
> > >
> > > - there's no doubt that a good one, with the right BIOS and
components,
> > goes
> > > like a scalded cat
> > > - there's clearance enough for my Maze 4 block on the CPU socket
> > > - there are 4 SATA sockets compared to NF7-S' 2
> > > - it's inexpensive (board #3 was £48)
> > > - it doesn't need a socket wire mod to hit high FSBs with an XP-M like
> the
> > > NF7 does.
> > > - it doesn't appear to have the SATA corruption issues that some NF7's
> did
> > > - it doesn't have the 10x and 10.5 multiplier issue with 1T memory
> timings
> > > that NF7's did/do.
> > >
> > > Your money, your vote.
> > >
> > > FWIW, if board #3 dies I'll probably go back to an NF7-S. At least
Abit
> > > update the bios occasionally.
> > >
> > > HTH
> > >
> > >
> > >
> > > "BigBadger" <big_badger@NOSPAM.com> wrote in message
> > > news:c8et11$p5$1@newsg4.svr.pol.co.uk...
> > > > The DFI NF2 Ultra Infinity I had would not go much over 220FSB with
> any
> > > > stability...even using the 'Beta' BIOS's that everyone appears to
need
> > to
> > > > get decent performance out of the board. I think the problem is
> memory,
> > I
> > > > was using 2 x 512MB of Corsair XMS3500 (BH-5)....but to get real
high
> > > FSB's
> > > > you need to run only 2 x 256MB modules, not much use if you're into
> > video
> > > > encoding. Additionally the DFI does not have room for really big
> > heatsinks
> > > > and many report problems with the firewire and LAN, also performance
> is
> > > > lower than the NF7 at similar FSB and clock speed.
> > > > I also tried two AN7's and they overclock worse than either the NF7
or
> > > > DFI....in fact I could not even get 200FSB with the CPU Interface
> > setting
> > > > enabled.....definitely keep clear of the AN7 if you want performance
&
> > > > overclocking.
> > > >
> > > > I went back to my NF7-S....still the best
> > > performance/overclocking/all-round
> > > > Socket A board on offer...in my opinion...If I were you I'd keep the
> > NF7-S
> > > > --
> > > > *****Replace 'NOSPAM' with 'btinternet' in the reply address*****
> > > > "Scumball" <scumball@btinternet.com> wrote in message
> > > > news:c8e5mb$gvk$1@titan.btinternet.com...
> > > > >
> > > > > "Josef Varela" <darkpepe@hotmail.com> wrote in message
> > > > > news:kxt91f98nl35.chwlb9evg3id$.dlg@40tude.net...
> > > > > > > My buddy wants me to build him a new machine. I am going to
put
> > my
> > > > > NF7-S
> > > > > > > rev 2.0 board in his box.
> > > > > >
> > > > > > > What should I be looking at as a replacement for mine?
Haven't
> > kept
> > > > up
> > > > > for
> > > > > > > the last few months so I dont know whats out there.
> > > > > >
> > > > > > I don´t think there´s anything better than the NF7-S, except you
> > want
> > > an
> > > > > > Athlon 64
> > > > >
> > > > >
> > > > > The DFI's are good for ultra-high FSB's (265 MHz without raising a
> > > sweat)
> > > > > and get great timings from high (3.3) v-dimm.
> > > > > They're limited to 2.0v-core - but it doesn't really impact your
max
> > > clock
> > > > > by more than 20 - 30 gross MHz.
> > > > > A64's don't overclock well and die at the drop of a hat - and of
> > course,
> > > > > cost the Earth.
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
> >
> >
>
>
)
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