Yeah, there's prolly a gazillion. You can polly see P1 mobo reviews in the old articles here at Tom's, as well as at Anantech.
If you go to google and in type in "motherboards for Pentium 1" etc, you'll find some I think.
Here's a mobo review site <A HREF="http://www.mbreview.com/" target="_new">http://www.mbreview.com/</A> Go there and look for their old articles, archives or whatever.
Mobile XP 2600+ (11X200)
Abit NF7-S v 2.0
Maxtor 60GB ATA 133 7200RPM
512MB Corsair Twinx 3200LL
BBA 9800 Pro
Enermax Noisetaker 420 watts
Win98SE