The motherboard clearly sees a 3TB drive while the OS sees something that is excluding around 2.2TB of the raw capacity.
Normally these types of issues can be traced to driver problems.
I myself fell victim to not following best-practice and seeing this issue manifest itself recently when I was benchmarking a new drive.
As a result, I decided to make a guide so other users can easily fix the problem.
One can easily spot the problem in the picture below: Intel’s Rapid Storage Technology (Intel RST) console clearly identifies the Hitachi 3TB drive (showing 2.861TB above due to the way hard drive capacity is measured in industry marketing versus in operating system terms.) On the other hand, Windows Disk Management sees the disk (Disk 0 in the above) as a 746GB drive.
That difference is the key to understanding how to fix the issue.
Additionally, this would only work either from a Blu Ray disc or a Blu Ray disc image/structure, so you were out of luck if you had ripped your Blu Ray discs into formats like mkv.
This was less then ideal for me since whenever I purchase a Blu Ray movie the first thing I do is rip it to my server in either ts or mkv format, so I would need to reformat my Blu Ray rips into a Blu Ray structure and also pay to use one of the 3rd party softwares.
Leading up to the last few months this was only possible by using an expensive sound card (such as the Xonar HDAV1.3) along with dedicated software (such as Power DVD and Total Media Theatre).
To test the problem I am going to use a Hitachi 5K3000 Coolspin 3TB hard drive with an Intel H67 motherboard’s onboard 6.0gbps controller in AHCI mode, alongside Windows 7 Professional SP1 64-bit.
By the time a user is ready to upgrade to 3TB drives I would generally recommend that it is also a good opportunity to upgrade to a 64-bit version of Windows as hardware is starting to advance well beyond what the older Windows XP generation operating system can handle.
It is designed to consume relatively few resources and to boot quickly from flash memory.
The Open ELEC team released Open ELEC 4.0 on , and this version features updated XBMC 13.0 with further updated important parts of the operating system as well as the Linux kernel updated to version 3.14 and additional device drivers.
Open ELEC provides a complete media center software suite that comes with a pre-configured version of Kodi and third-party addons with retro video game console emulators and DVR plugins.