Considering purchase off SSD! Follow up
jerry at seibercom.net
Tue Oct 9 18:07:44 UTC 2012
On Tue, 9 Oct 2012 11:23:36 -0600 (MDT)
Warren Block articulated:
> On Tue, 9 Oct 2012, Leslie Jensen wrote:
> > Got my new SSD. Have some additional questions.
> > My old disk is MBR partitioned. I want to reserve only a part of
> > the disk for my Win7 installation and in order to do that I must
> > initialise the disk (This is in Windows7).
> > A question comes up about using MBR or GPT (GUID Partition Table)
> > I know I can just go ahead and use MBR but I would like to ask if
> > GPT would be beneficial.
> > Is it possible to use GUID when one has a dual boot system?
> > I presume that FreeBSD can handle GPT but I'm unsure!
> Yes, FreeBSD can handle it. As usual, Windows is the problem. From
> what I've read, only Windows 7 64-bit supports GPT, and then only
> with UEFI. So it's very likely that MBR is the only practical choice.
> Another trick is that Windows generally only has drivers for what was
> present when it was installed. So switching the BIOS to AHCI for
> better performance can result in Windows not booting. It is possible
> to locate the Windows drivers and install them.
> Otherwise, FreeBSD will work fine without AHCI, disk IO will be just
> a bit slower.
A somewhat more concise discussion of Windows 7 and GPT can be found
Information on ACHI is available at:
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