Parity Error and IDE Controller Error when overclocking

BehindEnemyLines

Senior member
Jul 24, 2000
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I got my P-D 805 to run at 3.0 GHz. It's Prime (with two instances using the special switch I don't remember) stable for about 2 hours already. I also used CPU Stability program for two hours with no errors. But in Even Viewer, I get the following two errors:

1. The driver detected a controller error on \Device\Harddisk0
2. A parity error was detected on \Device\Ide\IdePort0

I've a Maxtor 200GB as master and a WD 80GB as slave. Windows is on the Maxtor. The Secondary Controller has a dvd-burner and a cdrw burner. I notice in Device Manager that the Maxtor runs at UDMA 6 (ATA133) while the WD runs at UDMA 5 (ATA100). Regardless of how much I use the Western Digital, there's no controller error for it. How do I get both hard drives to run at UDMA 5?

Motherboard is a Biostar PT880 PRO AC7. CPU runs at 150FSB x 20mult = 3.0GHz at 1.30-1.36v. RAM at 374 MHz. AGP is locked at 66MHz and PCI is locked at 33MHz according to Biostar's Wrap Speeder (overclocking utility). There's a significant improvement in DVD encoding using DVD Shrink, so I'm wondering if it's safe to continue.