If you are really anxious... http://people.redhat.com/~jbaron/rhel4/
(from specfile)
- Thu Jun 2 2005 Dave Jones davej@redhat.com [2.6.9-11.1]
- U2 begin.
...
- Increase i2o_block timeout, fixing installs with Adaptec 2400A (#140002)
Many thanks.