Archived from groups: alt.comp.periphs.mainboard.asus (
More info?)
Paul - you are a genius - thank you for your help. Yes, I have read the
recomended memory configs, but honestly, I didn't understand what it meant.
Thank goodness people like yourself are out there to help us dummies
🙂
Chris
"Paul" <nospam@needed.com> wrote in message
news:nospam-1707042357390001@192.168.1.177...
> In article <WAkKc.4959$ab.2755@fe39.usenetserver.com>, "Chris Hedlund"
> <chrishedlund@alltel.net> wrote:
>
> > I need some help with memory configuration on my K8V SE Deluxe board. I
> > first bought two 25bMB chips and it worked fine. I then added a 512MB
chip
> > and it won't boot up. It will boot up with 512 and one 256 for total of
768
> > MB - best I can do.
> >
> > Then I went and messed with the memory config in BIOS and won't boot at
all.
> >
> > Anyone can help?
> >
> > Thanks,
> >
> > Chris
> > chedlund@alltel.net
>
> Unplug the computer and "clear the CMOS". The procedure should be in the
> manual (jumper named CLRTC ?). You are unplugging the computer, to
> ensure there is no +5VSB running, to damage anything. That should fix
> up the memory settings so you can at least enter the BIOS.
>
> As for your original problem, have you followed the Table 1 in
> the manual, entitled "Recommended memory configurations" ?
> That table is representative of the limitations of the Socket754
> Athlon64 processor. It cannot run three slots of memory at
> DDR400. You should be able to run two double sided DDR400 sticks
> in slot 1 and slot 3, for example. (I think one of the MSI boards
> has a slightly different table than the Asus one. Asus has copied
> the table as provided by AMD. The table in the MSI manual I looked
> at, had some slightly different entries, of maybe some stuff they
> tested in the lab or something. In any case, experiment with
> DDR DIMM voltage and slot locations, as the results will vary
> with individual processors. Since the memory controller is on
> the processor, trying a different processor could give different
> results with your memory too.)
>
> In terms of the colored DIMM slots, slot 1 has its own address
> bus, and slot 2 and slot 3 share a second address bus. The
> data bus is common to all three slots, making this a single
> channel board. Since Slot 1 has better address drive, you might
> put the 512MB stick in there, and then experiment with whatever
> you can get away with, in slot 2 and slot 3. If the 256MB
> modules are single bank modules, then double, single, single
> at DDR400 might work. Electrically, that is roughly equivalent
> to the double, none, double at DDR400 listed in the manual (
> eighteenth entry in the table).
>
> Test the memory configurations with memtest86 from memtest.org .
> That is a test program that runs without an OS installed. It can
> boot the computer from a floppy diskette, or from an ISO format
> CD. The floppy version contains a floppy formatter, and will
> format a blank floppy for you, placing the necessary test code
> on the disk. Then, you make sure the computer to be tested,
> has the floppy first in the boot order, so the floppy will be
> used to boot. Let the test run for a couple of passes error
> free, before concluding the memory config is stable enough to
> take a chance booting Windows. If it is late at night, leave
> the test running until the next morning.
>
> After you are back in your favorite OS, try to run a program like
> Prime95 (torture test mode) as a final test. That is a good
> stressor for the CPU and the memory.
>
> HTH,
> Paul
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