Archived from groups: alt.comp.periphs.mainboard.asus (
More info?)
In article <d8rt7h$b05$1@domitilla.aioe.org>, "Vin" <vin@adinet.com.uy> wrote:
> Thanks boths for your answers, these were really helpfull!
>
> I got 2 more question:
> 1) CAS 2 it's better than 3?
> 2)It's seems that corsair memo it's my option, so...
>
> Can you give me the model of the memory?
> or it's this?
>
> 512MB DDR PC3200 . 2-2-2-6 . UNBUFFERED . NON-ECC . DDR400 . 2.8V . 64Meg x
> 64
>
http://www.crucial.com/ballistix/store/MPartspecs.Asp?mtbpoid=964EEED7A5CA7304&WSMD=A7N8X%2DE+Deluxe&WSPN=BL6464Z402
>
> I will try to found the exact memory!
😉
>
> Vini
That is the stuff I'm using. CAS2 is faster than CAS3. The CAS
number is the delay until the data comes back, and two cycles is
less time than three cycles. CAS2 memory is termed a "low latency"
memory.
Paul
> "FriskyD" <user@user.com> escribió en el mensaje
> news:42b119b2$0$25086$892e0abb@auth.newsreader.octanews.com...
> > the nforce2 is quite picky about memory.
> >
> > it took some tries to get my cpu and memory running at a 400fsb with
> > different types of ram.
> >
> > in the end corsair 3200C2 ram at 2-3-3-6 worked in dual channel mode at a
> > 400fsb.
> >
> >
> > "Paul" <nospam@needed.com> wrote in message
> > news:nospam-1506051147060001@192.168.1.178...
> >> In article <d8p8o8$57e$1@domitilla.aioe.org>, "Vin" <vin@adinet.com.uy>
> > wrote:
> >>
> >> > Ok, I posted sometime ago a question regarding a problem I've got with
> > my
> >> > Athlon XP 3200+ and fsb400, ok?
> >> >
> >> > I got new data to share, and I really need help! some light, something!
> >
😉
> >> >
> >> > This is the story:
> >> > I've got an A7N8X-X mobo ok, with an Athlon XP 3200+ and some generic
> > ddr400
> >> > memo.
> >> > When I use the FSB at 333mhz for memo and cpu the PC works great at
> > 2500+,
> >> > ok? but if I use the FSB at 400 (again cpu and memo) the PC hangs at
> > boot up
> >> > XP. The cpu heat do not goes above 45-50.
> >> >
> >> > Ok, so I changed the memory, I bought a Kingston memory (not the one
> >> > supported by asus). The only change is that at FSB400 the windows boot
> > up
> >> > normal. But later do not works fine, it gives me a general protection
> > fault
> >> > sporadically , the games do not work (at few seconds the game crash).
> > The
> >> > cpu heat do not goes above 45-50 also.
> >> >
> >> > I also change the mother, A7N8X-E Deluxe, and same story.
> >> >
> >> > So, I could say that the problem it's the memory compatibility, right?
> > or
> >> > the cpu could be the problem also?
> >> >
> >> >
> >> > Vini
> >>
> >> Nforce2 is picky about memory.
> >>
> >> My experience was:
> >>
> >> Dual channel CAS3 memory would work at up to 185MHz (DDR370) or so.
> >>
> >> 1) Placing the memory in slot 1 and slot 2 (which is single channel
> >> config) on the A7N8X-E allows the memory to go a little faster.
> >> 2) Running a 2T command rate BIOS (so-called CPC off BIOS) should
> >> allow you to get to 200MHz.
> >>
> >>
http://forums.pcper.com/showthread.php?t=352326
> >> Example of a CPC off modded BIOS...
> >>
> >
http://www.senorpanadero.net/uploader/userfiles/trats/asus/a7n8x_e/1012-Emod_2T.zip
> >>
> >> 3) Buying CAS2 memory was the permanent fix for me. I got some
> >> PC3200 CAS2 Ballistix memory from Crucial, and can run two
> >> or three sticks error free on the Nforce2 at full speed.
> >>
> >> Workaround (1) and (2) reduce memory bandwidth, while using the
> >> CAS2 memory allows running "CPC on" at DDR400 CAS2 speed. All released
> >> Asus BIOS come with "CPC on", which stands for "command per clock"
> >> otherwise known as "command rate 1T", the most aggressive setting
> >> for the address/command bus.
> >>
> >> Workaround (1) and (2) will give memory bandwidth of around
> >> 900MB/sec, while (3) will give you 1400MB/sec (as measured by the
> >> memtest86+ bandwidth indicator). While that might look like a large
> >> difference, the effect isn't so great with real world applications.
> >>
> >> With the picky Nforce2 problem, I recommend testing with Prime95
> >> from mersenne.org. Use the "Torture Test" option in that program,
> >> as it finds memory problems better than memtest86. I could pass
> >> memtest86, but not pass Prime95, until I got my CAS2 memory. I
> >> have had one report here, of someone who has managed to run
> >> an Nforce2 board with CAS3 DDR400 memory dual channel, but such
> >> reports don't seem to be that common.
> >>
> >> And if someone tells you their comp runs great, ask them if
> >> they've tried Prime95, because a lot of people have not
> >> tested their computer in any systematic way. Booting Windows
> >> doesn't prove anything (you just need to wait longer for it
> >> to crash, without knowing why it crashed).
> >>
> >> Paul
> >
> >
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