On 14 Feb 98 at 22:05, Changhsu Liu wrote: > How do I find out the mode my two IDE drives is running at? Some BIOSes will tell you this when you boot; most don't. It seems to me that I ran some diagnostic lately that reported the PIO mode of my drive. It might have been MSD, which you should have if you have a later DOS, Win 3.x, or Win 95 (although you may have to hunt for it on the CD in the latter case). I think it's also available for download from Microsoft's FTP site. David G PCBUILD: http://nospin.com or [log in to unmask]