1.The Most Stable Version- FMCB 1.953 is the most stable version so far. 2.Multi System- Should work with any fat PS2 and almost all slimline except the very latest. No need other installation. Just plug in to your console. 3.No Region Limited- Compatible with all console except MODEL SCPH-9XXXX with 230 BIOS. 4. MagicGate Free McBoot card (FMCB) 5.Sample and Easy, Quick plug into your PS2 console and play. Support with CHIP MOD or without CHIP MOD on your ps2 console. Information: PS2 console model: FMCB SCPH-3xxxx: support SCPH-5xxxx: support SCPH-9XXXX series number: FMCB 7C, 7D, 8A, 8B: support 8C (if BIOS=v220): support 8C (if BIOS =V230): no support 8D, 9A, 9B, 9C, 9D, 0A, 0B, 0C, 0D, 1A,1B, 1C, 1D, 2A, 2B, 2C, 2D: no support Type: 16MB Colour: black Material: plastic Size: 5 x 7 x 0.5cm Package Contents: 1 x Memory Card