Try this KB article. It shows you how to install the files w/o the ONTAP upgrade since your older boxes won't be able to run the versions with the fix.
http://now.netapp.com/Knowledgebase/solutionarea.asp?id=kb20094
-- Adam Fox NGS Tools Developer adamfox@netapp.com
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From: admin@berkcom.net [mailto:admin@berkcom.net] Sent: Friday, February 16, 2007 2:39 PM To: toasters@mathworks.com Subject: DST files
Anyone Have any luck getting the DST files for the timezone change from Netapp? Have a few older out of support F760 and C1105.