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What motherboards are capable with the New and Old Downgraders?[/SIZE]
This information had been tested and is proven legit.
A Mod might want to sticky this as there are various threads asking these same questions here and in other forums. Thanks

Courtesy of Smurff
The following motherboards are either capable or not capable with the new 2.60/2.50 downgrader and MPH downgrader 2.0 to 1.50.
CAPABLE:
1CB001
1C6001
1C9001
No Code
NOT CAPABLE:
1C1003 a.k.a TA-082
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What Firmware PSP am I buying?[/SIZE]
American Box:
Australian Box:
Asian Box:
Codes:
No letter = 1.0 (Japanese Release) 1.5 (North-American release) confirmed
A = 1.5 confirmed
B = 1.51 confirmed
C = 1.52 confirmed
D = 1.52 confirmed
E = 1.52 confirmed
F = 2.0 confirmed
G = 2.01 confirmed
H = 2.50 confirmed
I = 2.60 confirmed
I hope this helps, this information is from many different sources I put togeather...It helped me and I thought i'd put it in one little package for everyone. I hope it helps..
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[SIZE="3"]Does my GTA work with the new 2.60/2.50 to 1.50 downgrader?[/SIZE]
I am sure most of the 2.6 + PSP users are in a panic now with the release of a downgrader. for the few unfortuneate few that happen to not own a non-patched person of GTA finding one may be a probelm at the time. Lucky a way has been discovered to figure out which version you are truly buying. You can figure it out by looking at the serial numbers of the game. for your information ULES is the european serial starter, and ULUS is the US starter.
The following are for the EU/UK versions of the game:
GTA: LCS (Non-Patched 2.6 version):
ULES-00151#
GTA: LCS (Patched 2.6 Version):
ULES-00151#2
For the U.S version of the game:
GTA:LCS (Non-Patched Version):
ULUS 10041
Anything other the this is patched in the U.S
These differ from country to country, so sorry for any non-europe, and non-Us residents, you are on your own.
I hope this helps at least one person out there in their quest for the prepatched game.