fwiw I never got the nvnet driver working on 2.4.21-144 I had to instal 2.4.22 before it worked like a charm. Then I ruined it, but I had it working piece of cake, just couldn't get the graphics card working.
AMD Athlon XP 1700+ @ 2336mhz (JIUHB)
EPoX 8RDA+ nForce2
1gb PC2700 DDR
SB Audigy 1 (w/ 1394)