Thus spake Damian Gerow (dgerow [ at ] afflictions [ dot ] org) [10/06/08 18:26]: : The wording "W95 Ext'd (LBA)" is just the partition type, and it's a way to : instruct the computer about how to read the partition. It doesn't mean that : it's a Windows partition, it just means that it's hidden from some Operating : Systems, and can address the full size of your disk. This page explains it : better than I can: : : <http://homepages.tesco.net/J.deBoynePollard/FGA/determining-filesystem-type.html> Sorry, I should have included a couple more links as well as the above. This may surprise you, but look down at #5 for the best (albeit possibly influenced) differentiation between 0x05 and 0x0f (search for "Value: 0x05") I've been able to find: <http://support.microsoft.com/kb/320283> Stuff on partition tables, and disk partitioning in general: <http://en.wikipedia.org/wiki/Partition_table> Extended partitions in specific: <http://en.wikipedia.org/wiki/Extended_Boot_Record> The new GPT partitioning, part of EFI: <http://en.wikipedia.org/wiki/GUID_Partition_Table> A really fun post diving into the details of partitioning, records, boundaries, with no-holds-barred technical jargon: <http://lkml.org/lkml/2007/7/21/200>