Is mine a 5.1B-2 or 5.1B-3? Below is the info: $ sizer -v Compaq Tru64 UNIX V5.1B (Rev. 2650); Sat Apr 1 04:59:49 EST 2006 $ $ $ dupatch -track -type kit Gathering details of relevant patches, this may take a bit of time Patches installed on the system came from following software kits: ------------------------------------------------------------------ - T64KIT0020861-V51BB24-E-20031125 OSF540 - T64KIT0021340-V51BB24-E-20040120 OSF540 - T64KIT0021909-V51BB24-E-20040317 OSF540 - T64KIT0022199-V51BB24-E-20040423 OSF540 - T64KIT0024519-V51BB25-E-20041218 OSF540 - T64V51BB24AS0003-20030929 OSF540 - T64V51BB24AS0003-20030929 TCR540 - T64V51BB25AS0004-20040616 OSF540 - T64V51BB25AS0004-20040616 TCR540 - T64V51BB26AS0005-20050502 OSF540 - T64V51BB26AS0005-20050502 TCR540 - TCRKIT0020500-V51BB24-20031029 TCR540 - TCRKIT0023955-V51BB25-E-20041017 TCR540