HP Compaq dc7800 bios limit on hard drive size

I have a dc7800 which has the latest bios update v1.32, and I have been using it with a 750gb boot drive and a 1.5tb second drive for some time. I recently bought a 3tb drive to replace the 1.5tb drive. When I connected it to the onboard SATA connector and booted up, the BIOS only reported finding an 800gb drive.  Thinking this might be a defective drive, I went to Fry's and traded it for another of the same type and size. Same result when I installed it. Both drives were WD Red drives, and I have no clue what the problem is. A 1tb WD White drive was recognized without problem, so I wonder if there is a dc7800 BIOS limitation on the drive size. Anybody have an idea what that limitation might be?
Thanks,
Michael

Hi,
Yes and No, please read the following articles and prepare properly before install new HDD:
    http://blogs.technet.com/b/askcore/archive/2010/02​/18/understanding-the-2-tb-limit-in-windows-storag​...
    http://community.wd.com/t5/Desktop-Mobile-Drives/3​TB-Internal-Drive-as-746GB/td-p/356135
Any HDD vendor has a tool for you to get over this.
Regards.
BH
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