John,
     Actually disk drives come with many different interfaces even=20
though the phrase '2 common' does kind of limit what you are referring=20
to. Even hard drive versions come with more than 2 types of interfaces.=20
I have never had a system fail to come up because the bios does not=20
support a certain drive size. I have had systems fail because the drive=20
was defective or incorrectly connected.
Thanks,
rich!

On 6/14/2014 6:52 AM, John J. McDonough wrote:
> A couple of other things to be aware of ...
>
> Disk drives come in 2 common interfaces, IDE and SATA.  Depending on how
> old your computer is, you may need an IDE drive which are getting scarce
> although you can still find them.  Check the cables to your drive.  If
> there is a wide, flat cable it is IDE.  A thick cable, SATA.
>
> The other possible issue is the BIOS.  Some older BIOSes won't support
> drives larger than 60G.  Really old ones larger than 2G.  Drives less
> than 500G are practically nonexistent anymore.  Some machines won't even
> power up with a drive larger than 60G.  You may need to go to a used
> computer store to find a drive.
>
> --McD
>
>

--=20
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