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Next: AMD Athlon XP 2800+ showing up as 1.25Ghz? Please..
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Joined: Jul 01, 2005
Posts: 4
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(Msg. 1) Posted: Fri Jul 01, 2005 8:41 pm
Post subject: *underclocking* RAM
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Hi All,
I've recently purchased the following equipment:
Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
AMD Athlon 64 4000+ cpu
Corsair 1024MB TWINX-3200C2 memory (DDR400)
Geforce 6800 Ultra PCI-E video card
550w power supply
Unfortunately, this setup was immediately unstable -- crashing, rebooting, freezing, etc. I ran memtest and discovered that the RAM was throwing errors. I tested each module separately (by removing each in turn), and discovered that only one was causing a problem. So, I returned both modules and got replacements. The new ones also failed.
So, I decided to take a look at BIOS settings. All the RAM setting were set to "auto". I tried changing this to "by SPD", and that made the system more stable, but I still got some RAM errors. I then changed the bus speed from DDR400 to DDR333 -- this has completely solved the problem, though of course the system is now not optimized.
So, my questions are: 1) does this indicate a motherboard problem, or do you suspect I still have faulty RAM? and 2) How can I tweak (underclock) the RAM settings, without the drastic step of reducing the bus speed to 333, but still make the system stable?
Thanks for any help, and let me know if I need to provide further info. |
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Joined: Jul 01, 2005
Posts: 4
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(Msg. 2) Posted: Fri Jul 01, 2005 8:58 pm
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
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Joined: Jul 01, 2005
Posts: 4
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(Msg. 3) Posted: Fri Jul 01, 2005 10:10 pm
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
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Another note: I just ran PC Wizard 2005 while the memory was set at DDR400. PC Wizard reports the memory bus as running at 201MHz instead of 200. Could this slight difference be causing the problem? >> Stay informed about: *underclocking* RAM |
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External
Since: Mar 21, 2005
Posts: 431
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(Msg. 4) Posted: Sat Jul 02, 2005 1:55 am
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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No.
Phil Weldon
"sinnerman" wrote in message
> "sinnerman" wrote:
> > Hi All,
> >
> > I've recently purchased the following equipment:
> >
> > Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
> > AMD Athlon 64 4000+ cpu
> > Corsair 1024MB TWINX-3200C2 memory (DDR400)
> > Geforce 6800 Ultra PCI-E video card
> > 550w power supply
> >
> > Unfortunately, this setup was immediately unstable --
> > crashing, rebooting, freezing, etc. I ran memtest and
> > discovered that the RAM was throwing errors. I tested each
> > module separately (by removing each in turn), and discovered
> > that only one was causing a problem. So, I returned both
> > modules and got replacements. The new ones also failed.
> >
> > So, I decided to take a look at BIOS settings. All the RAM
> > setting were set to "auto". I tried changing this to "by SPD",
> > and that made the system more stable, but I still got some RAM
> > errors. I then changed the bus speed from DDR400 to DDR333 --
> > this has completely solved the problem, though of course the
> > system is now not optimized.
> >
> > So, my questions are: 1) does this indicate a motherboard
> > problem, or do you suspect I still have faulty RAM? and 2) How
> > can I tweak (underclock) the RAM settings, without the drastic
> > step of reducing the bus speed to 333, but still make the
> > system stable?
> >
> > Thanks for any help, and let me know if I need to provide
> > further info.
>
> Another note: I just ran PC Wizard 2005 while the memory was set at
> DDR400. PC Wizard reports the memory bus as running at 201MHz instead
> of 200. Could this slight difference be causing the problem? >> Stay informed about: *underclocking* RAM |
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External
Since: Mar 21, 2005
Posts: 431
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(Msg. 5) Posted: Sat Jul 02, 2005 1:55 am
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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The operating system makes no difference given the symptoms you report.
Phil Weldon
"sinnerman" wrote in message
> "sinnerman" wrote:
> > Hi All,
> >
> > I've recently purchased the following equipment:
> >
> > Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
> > AMD Athlon 64 4000+ cpu
> > Corsair 1024MB TWINX-3200C2 memory (DDR400)
> > Geforce 6800 Ultra PCI-E video card
> > 550w power supply
> >
> > Unfortunately, this setup was immediately unstable --
> > crashing, rebooting, freezing, etc. I ran memtest and
> > discovered that the RAM was throwing errors. I tested each
> > module separately (by removing each in turn), and discovered
> > that only one was causing a problem. So, I returned both
> > modules and got replacements. The new ones also failed.
> >
> > So, I decided to take a look at BIOS settings. All the RAM
> > setting were set to "auto". I tried changing this to "by SPD",
> > and that made the system more stable, but I still got some RAM
> > errors. I then changed the bus speed from DDR400 to DDR333 --
> > this has completely solved the problem, though of course the
> > system is now not optimized.
> >
> > So, my questions are: 1) does this indicate a motherboard
> > problem, or do you suspect I still have faulty RAM? and 2) How
> > can I tweak (underclock) the RAM settings, without the drastic
> > step of reducing the bus speed to 333, but still make the
> > system stable?
> >
> > Thanks for any help, and let me know if I need to provide
> > further info.
>
> BTW, I’m running Windows XP with all the latest updates. >> Stay informed about: *underclocking* RAM |
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Joined: Jul 01, 2005
Posts: 4
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(Msg. 6) Posted: Sat Jul 02, 2005 7:17 am
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
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Update: The BIOS, in "by SPD" mode, had set the RAM latency timing to 2.5-3-3-8, and the RAM voltage to 2.6V. The Corsair site recommended 2.5-3-3-6 and a voltage of 2.8. I changed both and now the system is rock solid! I suspect that it was the voltage change that made the difference. >> Stay informed about: *underclocking* RAM |
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External
Since: Oct 13, 2003
Posts: 63
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(Msg. 7) Posted: Sat Jul 02, 2005 9:55 am
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Have you tried T2 instead of T1 for your memory settings?
This fixed some problems users have with nforce4 boards and certain a64
chips.
With the other settings as your memory indicates you should run stable.
"Phil Weldon" schreef in bericht
> No.
>
> Phil Weldon
>
> "sinnerman" wrote in message
>
> > "sinnerman" wrote:
> > > Hi All,
> > >
> > > I've recently purchased the following equipment:
> > >
> > > Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
> > > AMD Athlon 64 4000+ cpu
> > > Corsair 1024MB TWINX-3200C2 memory (DDR400)
> > > Geforce 6800 Ultra PCI-E video card
> > > 550w power supply
> > >
> > > Unfortunately, this setup was immediately unstable --
> > > crashing, rebooting, freezing, etc. I ran memtest and
> > > discovered that the RAM was throwing errors. I tested each
> > > module separately (by removing each in turn), and discovered
> > > that only one was causing a problem. So, I returned both
> > > modules and got replacements. The new ones also failed.
> > >
> > > So, I decided to take a look at BIOS settings. All the RAM
> > > setting were set to "auto". I tried changing this to "by SPD",
> > > and that made the system more stable, but I still got some RAM
> > > errors. I then changed the bus speed from DDR400 to DDR333 --
> > > this has completely solved the problem, though of course the
> > > system is now not optimized.
> > >
> > > So, my questions are: 1) does this indicate a motherboard
> > > problem, or do you suspect I still have faulty RAM? and 2) How
> > > can I tweak (underclock) the RAM settings, without the drastic
> > > step of reducing the bus speed to 333, but still make the
> > > system stable?
> > >
> > > Thanks for any help, and let me know if I need to provide
> > > further info.
> >
> > Another note: I just ran PC Wizard 2005 while the memory was set at
> > DDR400. PC Wizard reports the memory bus as running at 201MHz instead
> > of 200. Could this slight difference be causing the problem?
>
> >> Stay informed about: *underclocking* RAM |
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External
Since: Feb 09, 2005
Posts: 365
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(Msg. 8) Posted: Sat Jul 02, 2005 3:55 pm
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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I think "auto" and "by spd" are the same thing.
"sinnerman" wrote in message
> Hi All,
>
> I've recently purchased the following equipment:
>
> Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
> AMD Athlon 64 4000+ cpu
> Corsair 1024MB TWINX-3200C2 memory (DDR400)
> Geforce 6800 Ultra PCI-E video card
> 550w power supply
>
> Unfortunately, this setup was immediately unstable -- crashing,
> rebooting, freezing, etc. I ran memtest and discovered that the RAM
> was throwing errors. I tested each module separately (by removing each
> in turn), and discovered that only one was causing a problem. So, I
> returned both modules and got replacements. The new ones also failed.
>
> So, I decided to take a look at BIOS settings. All the RAM setting
> were set to "auto". I tried changing this to "by SPD", and that
> made the system more stable, but I still got some RAM errors. I then
> changed the bus speed from DDR400 to DDR333 -- this has completely
> solved the problem, though of course the system is now not optimized.
>
> So, my questions are: 1) does this indicate a motherboard problem, or
> do you suspect I still have faulty RAM? and 2) How can I tweak
> (underclock) the RAM settings, without the drastic step of reducing
> the bus speed to 333, but still make the system stable?
>
> Thanks for any help, and let me know if I need to provide further
> info.
>
> --
> Posted using the http://www.hardwareforumz.com interface, at author's
request
> Articles individually checked for conformance to usenet standards
> Topic URL:
http://www.hardwareforumz.com/Overclocking-underclocking-RAM-ftopict58300.html
> Visit Topic URL to contact author (reg. req'd). Report abuse:
http://www.hardwareforumz.com/eform.php?p=294662 >> Stay informed about: *underclocking* RAM |
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External
Since: Mar 21, 2005
Posts: 431
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(Msg. 9) Posted: Sat Jul 02, 2005 5:55 pm
Post subject: Re: *underclocking* RAM [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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'sinnerman' wrote, in part:
| Update: The BIOS, in "by SPD" mode, had set the RAM latency timing
| to 2.5-3-3-8, and the RAM voltage to 2.6V. The Corsair site
| recommended 2.5-3-3-6 and a voltage of 2.8. I changed both and now the
| system is rock solid! I suspect that it was the voltage change that
| made the difference.
That sometimes happens when you purchase from a company that does not
manufacture chips. By 'selecting' chips, and then boosting the supply
voltage, the company can sell the modules can be sold as a higher speed than
the specifications of the chips. If you want to check your modules for
this, read the identification printed on the chips, then look up the
specifications at the chip manufacturer's website.
Phil Weldon
"sinnerman" wrote in message
> "sinnerman" wrote:
> > Hi All,
> >
> > I've recently purchased the following equipment:
> >
> > Abit Fatality AN8 SLI mb (939/DDR400) (latest bios: 1.5)
> > AMD Athlon 64 4000+ cpu
> > Corsair 1024MB TWINX-3200C2 memory (DDR400)
> > Geforce 6800 Ultra PCI-E video card
> > 550w power supply
> >
> > Unfortunately, this setup was immediately unstable --
> > crashing, rebooting, freezing, etc. I ran memtest and
> > discovered that the RAM was throwing errors. I tested each
> > module separately (by removing each in turn), and discovered
> > that only one was causing a problem. So, I returned both
> > modules and got replacements. The new ones also failed.
> >
> > So, I decided to take a look at BIOS settings. All the RAM
> > setting were set to "auto". I tried changing this to "by SPD",
> > and that made the system more stable, but I still got some RAM
> > errors. I then changed the bus speed from DDR400 to DDR333 --
> > this has completely solved the problem, though of course the
> > system is now not optimized.
> >
> > So, my questions are: 1) does this indicate a motherboard
> > problem, or do you suspect I still have faulty RAM? and 2) How
> > can I tweak (underclock) the RAM settings, without the drastic
> > step of reducing the bus speed to 333, but still make the
> > system stable?
> >
> > Thanks for any help, and let me know if I need to provide
> > further info.
>
> Update: The BIOS, in "by SPD" mode, had set the RAM latency timing
> to 2.5-3-3-8, and the RAM voltage to 2.6V. The Corsair site
> recommended 2.5-3-3-6 and a voltage of 2.8. I changed both and now the
> system is rock solid! I suspect that it was the voltage change that
> made the difference. >> Stay informed about: *underclocking* RAM |
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