rao rao rao , de la parte que yo me lo he bajado tampoco lo han probado , muy extraño , si si , y otra cosa que me deja parado es lo que pone en el txt :
Flashing your drive
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For ms28 firmware versions of drive you will need to use the Vcc method or the VIA SATA 10 sec method to read/write flash. Refer to
http://forums.xbox-scene.com/index.php?showtopic=535222
Advisable to make a backup of your dvd drive firmware first.("mtkflash r /m orig.bin")
In Windows, copy orig.bin to same directory as this release (same directory as xtrem42a.bin/Xtreme42b.bin and X360SAM.exe)
Double click "Make X42a.bin" or "Make X42b.bin" to create x42a.bin (Xtreme4.2A firmware with your key from orig.bin) or x42b.bin (Xtreme4.2B firmware with your key from orig.bin). Thanks to eXOBeX for X360SAM.EXE
Copy x42a.bin or x42b.bin to boot disk
Power off PC
Plug SATA cable from DVD drive to PC. Power cable drive still connected to Xbox 360
Power on Xbox 360
Power on PC
Boot with standard dos boot disk with included mtkflash utility
Run "mtkflash w /m x42a.bin" or "mtkflash w /m x42b.bin"
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pues commodore siempre lo hace pero con los numeros de las versiones nuevas no como esta que es la 4.2a yb