re: Twilight Zone type of problem with games, IDE HD and mouse wheel! :)
Tuesday, April 19, 2005 at 1:14 pm
Windows XP Annoyances Discussion Forum
Posted by MoonQuake
(5 messages posted)
Hi Jack!
Made some more changes:
-Removed one of my case fans (I got a home fan blowing inside my case which keep
everything cool (CPU 39c / mobo 32c idle)) BTW, should I trust software like Sandra
2005 OR my bios for temperatures? Sandra tells me that some of my bios info might
be wrong sometimes...
-Put back both HD on same cable, got DVD and Ati Radeon on another.
-I was using my mouse and keyboard on USB ports, now I put them both on PS/2 ports.
Dunno if it helps on the 12v.
Now the spin down is occuring only during games and rarely while I navigate throught
windows.
I changed my power supply twice before. Once because I had an old 350w Antec PSU
and I upgraded, then after another upgrade I had to buy a replacement one because
another Antec 450w I bought seemed to have failed. (same HD symptoms only, on both
HDs thus killing my system files in the process)
You know what? The only part that's still there since my original configuration and
the begining of my spin down problem is my old Maxtor HD. Like you say, maybe this
device if failing on the 12v and maybe I should kick it out of the window!
I couldn't get rid of it last night when I tried to cut off things on the 12v, because
for some reason, even though it's my secondary HD, if I disable it from the BIOS
and unplug it, my primary HD (Prim. master jumper set) isn't recognized anymore.
Like it needed the Maxtor to run it...
Geez.
I'll try to definitely remove the Maxtor and see what happens.
Jack, could all this be the result of a bad powerbar or even a faulty wall jack/electric
current?
MQ
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On Tuesday, April 19, 2005 at 9:40 am, Jack Gulley wrote:
>That power supply should be able to handle it without problems any way you plug
>the drives. It sounds more like there might be something wrong with it's +12v. When
>you took load off of it, the problem got worse? Reminds me of a problem that IBM
>had with one of its early AT power supplies where they had to use loading resistors
>on the 12v if there was no disk drives.
> There might be something wrong with one of the devices. I have seen bad fans
>cause noise, and even bad drives cause others to fail by creating ripple on the
voltages.
> I have one that will cause any other drive connected to shut down, but works fine
>by itself. You would have to have a good scope to see that type of problem. You
>may have to borrow a good digital volt meter and measure the voltage at the connector.
>The voltage going too high (above 13.8v or 15% over) would cause problems with the
>drives (them shutting down the motors to protect them from over voltage), and indicate
>the power supply is going out of regulation under load. Also measuring on the AC
>scale and getting anything other than 0v would indicate a bad ripple problem with
>a bad capacitor.
> It would be basically the same problem I described, but the load causing the
+12v
>to go too high because there is not a matching increase in current draw on it.
> It sure sounds like there is a bad capacitor in the power supply and the only
>way for you to tell is to try a different power supply.
> One thing you can try, is plug everything in (CD drives, etc.) and add one or
>two more fans if you have them. If that helps the problem, then start looking for
>a replacement power supply.
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