Hey folks as it was said before that Greesnpois0n RC5 will support all the iDevices but the Apple TV 2G users were missed out. So @Pod2G updated the guide for the Greenpois0n RC5 Untethered Jailbreak and mentioned in it that Greenpois0n RC6 will support Apple TV 2G jailbreak.

*** greenpois0n 1.0 RC5 ***
> Description of the software:
greenpois0n will Jailbreak your iDevice.
> Supported iDevices:
– iPod Touch 2G (all bootroms)
– iPod Touch 3G
– iPod Touch 4G
– iPad 1G
– iPhone 3Gs (all bootroms)
– iPhone 4
– iPhone 4 Verizon (_not_tested_)
– ___AppleTV 2___ (support will be added in RC6)

He also confirmed this is a Tweet of a person asking him about the Untethered Jailbreak for Apple TV 2G.

@BlamJam: greenpois0n rc5/5.2 not workingwith AppleTV2 – @pod2g says it will in next build.
@pod2g: @BlamJam sorry but I was talking about RC6.

This release can be also supported on Windows or may be like the RC5 only for MAC. Lets see when it is out.