Confirmed on a T42p 2374-KYG with Kubuntu Jaunty Jackalope 9.04 Beta, all updates
ibmuser@T42pUXGA:~$ uname -a Linux T42pUXGA 2.6.28-11-generic #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686 GNU/Linux
Confirmed on a T42p 2374-KYG with Kubuntu Jaunty Jackalope 9.04 Beta, all updates
ibmuser@ T42pUXGA: ~$ uname -a
Linux T42pUXGA 2.6.28-11-generic #41-Ubuntu SMP Wed Apr 8 04:38:53 UTC 2009 i686 GNU/Linux