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Re: What can cause a huge hit on my CPU? by Maxime Faget 01/20/2005, 9:32pm PST
Fullofkittens wrote:

Okay, on the primary channel, it was already set to DMA. On the secondary, they were set to PIOS, which I switched back to DMA if available... and it switched Device 0 to Ultra DMA Mode 2 but Device 1 stayed on PIO Mode. I guess DMA isn't available? Is the secondary IDE channel even important if I only have two hard drives (on the same strip)?

You probably have a CD-ROM connected to Device 2. Some of these don't support UDMA. As long as DMA is enabled on all your hard disks and DVD drives you should be fine.

Note that you shouldn't mix drive types on the same channel. For example, if you have two hard disks, both should be connected to the primary controller.
Question #2 is, does it make any difference if the system drive is NTFS and the second drive is FAT32?

No, UDMA is a hardware feature. If the IDE driver for your operating system supports it, it will work with any file system.

Something to try: right click the taskbar and select Task Manager. Click the Processes tab, and click the heading on the CPU column. This will rearrange the listing according to CPU usage. (If all you see is zeros, it may be ordered in reverse, so click it again. System Idle Process will usually be at the top.) Now do some things that you know will peg your CPU and see if any particular process repeatedly rises to the top.
PREVIOUS NEXT REPLY QUOTE
 
What can cause a huge hit on my CPU? by Fullofkittens 01/19/2005, 7:23pm PST NEW
    Re: What can cause a huge hit on my CPU? by Entropy Stew 01/19/2005, 8:14pm PST NEW
        Re: What can cause a huge hit on my CPU? by Fullofkittens 01/20/2005, 8:19pm PST NEW
            Re: What can cause a huge hit on my CPU? by Maxime Faget 01/20/2005, 9:32pm PST NEW
                Re: What can cause a huge hit on my CPU? by Fullofkittens 01/20/2005, 10:31pm PST NEW
                    Re: What can cause a huge hit on my CPU? by Entropy Stew 01/21/2005, 8:36pm PST NEW
                        Re: What can cause a huge hit on my CPU? by Fullofkittens 01/22/2005, 7:49am PST NEW
                            Also: by Fullofkittens 01/22/2005, 8:05am PST NEW
    Problem Status: Solved by Fullofkittens 01/22/2005, 12:29pm PST NEW
        This started happening again. WTF? by Fullofkittens 02/17/2005, 11:45pm PST NEW
            Nevermind, it was a hardware conflict. NT by Fullofkittens 02/18/2005, 8:50pm PST NEW
                They all are, son... they all are. NT by ROLL CREDITS 02/18/2005, 10:07pm PST NEW
 
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