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Hello
I'm up against the 4 primary partition limit on a SATA drive, but I want to install an additional distro. Now, I have a dual boot system: XP, Ubuntu. I've used EasyBCD to create the boot menu. This is my layout:

C:\
--Primary Partition 1: XP
--Primary Partition 2: Ubuntu root
--Primary Partition 3: Ubuntu swap
--Primary Partition 4: Ubuntu home

I'd like to install another distro to the C:\ drive, but I already have 4 primary partitions, which is the limit. I have plenty of unallocated space on C: which I reserved for another installation, but now I realize that I'm up against this partition limit.

I want to preserve the Ubuntu installation. So, is there a way to convert one of these primary partitions to an extended partition into which I can add more logical partitions? How? Is there a simpler alternative? Partitions 2 - 4 were originally created with gparted during the Ubuntu installation. Windows sees the drive with 4 primary partitions and unallocated space, but Windows will not allow me to create any more partitions.

Any hints would be appreciated. Oh, and I'm a newbie, as if one couldn't tell.

Thank you