Some like to believe/ Miss informed on thinking all xbox 360 slims are RGH, but this is not the case. after researching and talking to the people behind the RGH, They informed me on this:
Trinity (June 2010) Xbox 360 Slim (also known as version 5) ;D
45 nm XCGPU
135 Watt power supply / 12V rated 10.83A
OR
120 Watt power supply 12V rated 9.86A, but back of console says 10.83A <----- ADDED
These motherboard are currently supported by the Xbox 360 Reset Glitch Hack!
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Corona (August 2011) Xbox 360 Slim (also known as version 6) 
45 nm XCGPU
120 Watt power supply / 12V rated 9.86A
This motherboard is currently not supported by the Xbox 360 Reset Glitch Hack due to missing HANA chip
Easy Way To Determine If Your Slim Is RGH, Is Look At The Output Voltage On Power Pack.
135 Watt power supply / 12V rated 10.83A = YES ;D
12V rated 9.86A, but back of console says 10.83A = YES ;D
120 Watt power supply / 12V rated 9.86A = NO
**Once M$ Learned Of The RGH, They Redesigned The 360 Motherboard To Stop The RGH On The Slims**
if your power pack says 120 Watt power supply 12V rated 9.86A, look at the image below to see if it says 9.86A or 10.83A.
