Rgh: Xbox 360 'link' Freeboot - Jtag -

To the average user, a JTAG or RGH console looks and acts the same. However, the technology behind them and how they achieve a "Freeboot" state differ significantly. RGH vs JTAG - Wonderful PCB

Once your console is modded with JTAG or RGH, you gain several massive features: XBOX 360 FREEBOOT - JTAG - RGH