Athlon x2- one core at 60% usage constantly

S

snafle

New member
Just got a new PC, I bought 3 discs to use in RAID 5 for all the lovely fault tolerantness. The only problem was, one of my cores was running at a constant 60%, and task manager was showing no process using this. After googling around a bit, I decided it must be because the nofrce 5 RAID 5 support was software rather than hardware (is it?? I'm starting to doubt) so I formatted my discs and went to a 1 disc system.

However, it's doing it again.

I'm running on disc on sata, windows XP home (dling service pack 2 as I type). Does anyone have any idea why my pc is doing this? It can't be right, can it?
 
As I said in my post, it task manager shows no cpu usage (well, the nomral, 0-5%). That's why I'm surprised.

Could it be my version of windows? I read that you need sp2 to get proper multi core working, or something along those lines.
 
Now there`s a wierd thing.

I glance down @ the G15 panel and can see the cpu being a single %age shown ~22%, but the meters are varying in usage - as is usual.

I look at the TaskManager->Performance and the meters are of equal height, measuring/mirroring what the G15 is saying (pretty much)

I look at the graph and each core is displaying a different graph.

My sub-question to snaffle`s thread is - is the Performance meter in TaskManager supposed to show 2 bars at equal height ? And if so why ? Why not stagger them, as per usage, ala the G15 meter ?

Did SP2 sort it out m8y ?
 
The task manager tends to assign work to each core to balance load as much as possible. I know F@H it shows 50% usage on both CPU's when you have one instance open
 
Kinda... I installed windows, motherboard drivers, then installed SP2 straight off. Check the CPU usage then, it was 0, 0. I carried on with installing all the various gizmos and doodads (firefox, MSN, graphics drivers, sound and netowrk drivers (not in that order)) and after all the restarts found it was up to it's old trick again.

Could it be that Task Manager is simply getting it wrong?
 
check your cpu temps in bios in startup, then check them when the core is supposedly at 60 %, then you will know if it is lying or not
 
After twelve hours of being one- 35 C

After 30 mins off, then switched on an checked in bios after a couple of minutes- 34 C

Sound about right? I guess it's just windows being a scrote.
 
A thought...

Seeing that this is your new PC, I take it you did a fresh install of windows -- correct? If so, was the CPU okay until you installed your NIC drivers? If so, did windows pre-configure "Automatic Update" to "Download updates [insert more instructions here]"? And if so, did your erratic CPU core usage decrease to normal after you *completely* and *sucessfully* installed *all* windows updates; or did your erratic CPU usage revert to a normal state if you shut off automatic updates temporarily?

Just curious...

NOTE: If you think these questions have anything to do with the root of your problem and it's subsequent solution then you have a 50/50 chance of being completely right or completely wrong.
 
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