Hardware

• Tachyon: The main CPU and system-on-chip.
• Allegrex: The specific MIPS-based CPU core inside Tachyon.
• COP1 (FPU): The floating-point coprocessor.
• COP2 (VFPU): The vector floating-point coprocessor.
• Media Engine: A secondary CPU mainly for audio/video decoding.
• Virtual Mobile Engine (VME): An audio processing unit for effects and decoding.
• Baryon: The system controller (Syscon) managing power, buttons, and USB.
• Pommel: A controller chip for GPIO and audio.
• Graphics Engine (GU): The GPU handling rendering and rasterization.
• UMD (Universal Media Disc): Sony’s optical disc format.
• NAND Flash Memory: The internal storage chips holding the firmware.
• IPS / IPS Mod: A screen replacement mod that installs a much brighter, colorful IPS display panel.
• Glass / Plastic Lens: The clear protective window on the faceplate that sits over the actual LCD screen.
• OSTENT, Cameron Sino, Batmax: Common reliable brands for third-party replacement batteries.
• USB Mini-B: The cable port used to connect your PSP to a PC or PS3 for transferring files. A few PS2 games also support it for linking.