ftp://ftp.linux.ncsu.edu/mirror/mirror.centos.org/2.1/updates/athlon/  direct

13.80 MB  2006-08-09kernel-smp-2.4.9-e.72.athlon.rpm  71 mirrors
13.42 MB  2006-08-09kernel-2.4.9-e.72.athlon.rpm  info  browse  72 mirrors
 kernel - The Linux kernel (the core of the Linux operating system)
 /Main/Other/athlon/System Environment/Kernel/

13.02 MB  2009-01-21kernel-2.4.9-e.74.athlon.rpm  55 mirrors
13.40 MB  2009-01-21kernel-smp-2.4.9-e.74.athlon.rpm  55 mirrors