Yes it was Xbox. Looked up DXn, found this info. Thanks for the heads up Whargoul. " Xbox (NV2A) supports DXT1, DXT2/DXT3, and DXT4/DXT5 formats. That's S3TC. Xbox 360 (Xenos) adds some new compressed texture formats. DXT3A/DXT5A - single component, 4 bits precision DXN - two components, 8 bits precision per component CTX1…