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HELP! CD-rom uses massive CPU utilization. Why?

OverVolt

OverVolt

Lifer
Title says most of it. I have an Asus 52x Cd-rom with the drivers installed and it only runs at 15.4x in Nero CD Speed. While at 15.4x my cpu ultilization was 100%!!! at 8x it's 57%, 4x 24%, 2x 19% and 1x 8%.

I see a major slowdown in framrates while playing games and it needs to access the cd-rom for whatever reason like in BF1942 or Nfs2 and it's my guess it's the massive cpu usage when reading.

Anybody with a similar trouble or any ideas of what is causing it and how to fix it would be a big help! I can't beleive this thing is supposed to be 52x and it's only running 15.4x on my system which has an OC'ed XP1800+ which is suitable for reading a cd 🙂. U'd need a 5.7Ghz AthlonXP to run it at 52x. Either the ppl who designed this at Asus are boneheads or something is wrong. my bet is on the latter.
 
I have the same drive and it is the best I have ever had. I did not use the drivers off the floppy that came with it. I just let Windows load its own.

Did you use the Asus boxed driver. I am guessing maybe they suck with your setup.
 
I used the Asus boxed driver which helped since before on the winXP driver it ran at 11x in Nero CD speed. It's a nice Cd-rom fast access time 🙂. But it's acting flaky
 
Do you have chipset drivers installed for the motherboard? If this is on the Gigabyte GA-7DX+ motherboard in your system rigs link, you'll need chipset drivers from AMD and VIA, however, I do not know the complete procedure for them on a mixed system like this (mixed being a northbridge and southbridge of different brands). I think that AGP drivers would go with the AMD chipset, while IDE drivers would be for the VIA chip.
 
I have exact same problem with my asus 4012A, It used to work just fine but one day it start acting like it was in PIO mode (slow and 100% CPU usage)... The problem accoured after i swithced to round ATA cables i think so i checked all cables and jumpers but it didnt help.
So i tried running the drive as master (without a slave) on both IDE port 0 and 1 but nothing helps.
Windows report that my Asus 4012A is running in DMA mode ( i run win2k ). But i dont trust windows so i dl VIAs IDE tool, this tool wont let me set the transfer mode above PIO, what the hell happend with my system?

PS: My other drives (IBM HD, Pioneer DVD and LiteOn CDR) all runs perfect so im wondering if my Asus have gone bad?
 
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