Re: new 160GB hard drive, but limited to 137GB!!!

From: andy (andy_at_discussions.microsoft.com)
Date: 11/06/04


Date: Sat, 6 Nov 2004 05:33:01 -0800

Thanks for all your helps. I am not sure if my BIOS supports large-capacity
disks, can anyone tell me how to check my BIOS?

"Art" wrote:

> "andy" <andy@discussions.microsoft.com> wrote in message
> news:94FDEC7D-933A-4A65-BFA8-4EDE161C39A5@microsoft.com...
> >I bought and installed a Maxtor 160GB ATA hard drive into my computer. I
> >used
> > the install disk (Max Blast3, which came along w/ the drive) to install
> > the
> > HD. During the installation, a message came out and said that my pc
> > doesn't
> > support Hard Drive that's larger than 137GB. I went through the
> > installation
> > guide and found out there is two solutions. One is Ultra
> > ATA/133-compatible
> > PCI card, the other solution is to install Microsoft SP1. I had it
> > installed
> > and how come it's not working? after the installation, the hard drive is
> > limited to 137MB, even worse, it dropped to 127GB after i formatted it.
> > It's
> > a totally 33 GB lost!!! I am sure my pc is capable for 160GB HD, can
> > anyone
> > help me?
>
> And then Andy added in a subsequent posting...
> can u tell me how to check if i have SP1 installed?
>
> Andy:
> 1. Assuming your mainboard's BIOS supports large-capacity disks, i.e.,
> drives greater than 137 GB, the Windows XP operating system (that does *not*
> include SP1/SP2) will recognize a maximum capacity of 137 GB. Should the
> disk have a greater capacity, the remaining disk space will NOT be
> recognized by the XP operating system. If, on the other hand, the XP
> installation disk contained SP1 or SP2 at the time of the OS installation,
> then the full capacity of the disk would be recognized. Keep in mind that in
> any event, your mainboard's BIOS *must* support large-capacity disks. If it
> does not, then installing SP1 or SP2 will *not*, in and of itself, provide
> this support .
>
> 2. So if you installed the XP OS that did not include SP1/SP2, the system
> would recognize only up to 137 GB. When SP1/SP2 is subsequently installed,
> the full capacity of that 160 GB disk will be recognized (again assuming
> that your BIOS supports large-capacity disks) -- the 137 GB that was
> partitioned/formatted when XP was originally installed, and the remaining
> (roughly) 21 GB which will be shown as "unallocated space" -- space that you
> can subsequently partition/format using XP's Disk Management utility (Start
> | right-click My Computer | Manage | Disk Management). Note that this will
> be a second partition on the disk. The only way to create a single 160 GB at
> this point, should that be your desire, would be through a third-party
> program such as Partition Magic.
>
> Incidentally, note that your 160 GB drive will be reported by the OS to have
> a total capacity of about 149 GB. The discrepancy is due to the different
> sizing methods used by hard drive manufacturers and the system to report
> disk capacity.
>
> A final note -- should the motherboard's BIOS not support large-capacity
> disks, the most practical way of getting around this barrier is to install a
> controller card that supports large-capacity disks, which every controller
> card manufactured today does.
>
>
>
> Art
>
>
>
>
>



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