There are many google results on this, most seem to point to sata controler
driver issue.
Assuming youve double checked the bios settings, for sata & boot order, I
think I would prepare a new sata controler floppy with the latest drivers
from Gigabyte and undertake a repair install of winxp and use the F6 option
to reinstall these, then reinstal latest chipset drivers from Gigabyte
(I'm using K8N Ultra 9, 3 sata drives on a bootable sata card, 1 on Sil
controler, 2 ide)
You might also double check the hd status with the hd manufacturers bootable
floppy checking utility
<oppeltm.DeleteThis@gmail.com> wrote in message
news:1192072484.218327.151650@k79g2000hse.googlegroups.com...
>I have a GA-K8N Pro SLI motherboard and am currently experiencing boot
> problems.
>
> I built the computer about a year and a half ago. When I first built
> it, I had problems with the machine going into the NVidia Boot Agent
> and not booting XP. When it stopped happening, I stopped caring...
>
> However, the problem has resurfaced. Whenever I boot up the PC, it
> detects my DVD burner (the only IDE device) and does not detect my
> Sata hard drive. It goes on to the NVidia Boot Agent, and I can
> disable that, but it still does not detect a boot drive
>
> I have flashed the bios to bring it up to date. I have a hard time
> believing it could be the hard drive, because I have not had any
> issues with data retrieval, system boot, etc... except for this problem
>
> I've tried a different SATA cable and used different power connectors.
> I've tried the different SATA inputs on the board.
>
> Does anyone have any ideas? Please do not post if all you are going to
> say is "you need to install the raid drivers by pressing F6 when
> installing windows." I did that originally.
>
> If you can offer any help, it would be greatly appreciated.
> >> Stay informed about: intermittent hard drive detection