Friday, March 26, 2010

Mitsubishi VS-60111, HD Fury and HTPC

The good old Mitsubishi VS-60111 is a 1080i RPTV that predated HDMI or even DVI. HD video sources came from component and RGB inputs. In order to update to old TV to the modern age, I used a gizmo called HD Fury.

There are two main problems with HD Fury. First, it has a left shift problem that shifts video images to the left a little. While the maker of the HD Fury has a later version claimed to have solve this left shift problem, they cost too much and most of time I don’t miss the “missing” left side so I just live with the problem.
The second problem has to deal with something called EDID. EDID is a data stream format used by HDMI devices to report its capabilities to sources so that the source will only send material such as 1080i video that the device is capable to handle. The problem is since the old TV predates HDMI, it has no EDID to pass on. HD Fury instead passes 1080p as its capabilities and therefore the problem as the TV can only handle 1080i. A source like Blu-Ray player will think the TV can handle 1080p and therefore sending 1080p to the TV. It is very easy to see things will fall apart quickly. Again, the maker of the HD Fury has a later generation that suppose let user select the right resolution to report instead of fixed on 1080p. Luckily, most, if not all the Blu-Ray players have a manual resolution override to send 1080i instead so this has not being a big problem to me up until now.

Connecting a HDMI based HTPC to HD Fury on the other hand, is problem as there is no easy resolution through remote or front panel on the PC. If HD Fury reports the TV can do 1080p, at initial startup, Windows will read the EDID from HD Fury and set the resolution to 1080p and the TV screen will be all scrambled. One solution of course is attach another monitor via DVI or VGA to the PC and change the resolution but this is not very practical if needs to be done every time to turn on or reboot the PC.
The maker of the HD Fury offers a solution to re-program the HD Fury’s to report 1080i instead of 1080p. To do this, one needs to download the new EDID data and use software called PowerStrip to program the HD Fury. While PowerStrip is available as trial shareware, only the paid registered version is capable to program the HD Fury as an “unofficial” function and there is not guarantee it will work. If it doesn’t the software is none refundable.

Luckily, there is an alternative free solution to the HD Fury EDID problem if the reason to re-program the HD Fury is to connect a HDMI HTPC. The PowerStrip’s maker also makes a free utility called MonInfo. I used the MonInfo to read the 1080i limited EDID file from HD Fury’s people and output it Windows INF file. On the first time the HTPC is to connect to the HD Fury, a second monitor will help to ensure the right INF file is pickup by Windows when it sees the HD Fury as new device and trying to install drive for it. It is important to get Windows to install the INF file we just made as the driver for HD Fury. Once the right driver is loaded, we are all set. Removed the second monitor, that it.

It needs to be mentioned that HD Fury’s left shift problem now is more of an issue with the Windows than previous with HD DVD or BD movies. It also need to mention that a 1080i display is not suitable for anything other than media file play back as regular Windows fonts become too small and too blurry. Windows’ MCE on the other hand works quite well as it uses much bigger fonts.

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