Running the game directly from a fast internal HDD or an external USB drive significantly decreases loading screens and virtually eliminates texture popping, which was a notorious issue on retail hardware. How to Install GTA IV Complete Edition on JTAG/RGH
[GAME RELEASE] Grand Theft Auto IV: Complete Edition (JTAG/RGH) – All DLC & Title Updates Grand Theft Auto 4 Complete Edition -Jtag RGH-