Chimera 1.4.1 Update

Today, Chimera has been updated to version 1.4.1. iBoot has been updated to 3.0.4, including this version. Until MultiBeast is updated, we've created a standalone installer for Chimera, available at

Chimera v1.4.1 Changes:
  • Based on Chameleon 2.0 RC5 trunk r877
  • Fixed 32x multiplier BIOS limitation on Gigabyte Sandy Bridge Motherboards
  • Fixed reboot loop with vanilla kernel on ASRock, Intel, and MSI Sandy Bridge Motherboards
  • Fixed reporting incorrect Processor Interconnect Speed on LGA 1155/1156 systems
  • Fixed RAM speed detection on LGA 1366 systems (Thanks Kabyl)
  • Added Xeon CPU detection and reporting for System Profiler
  • Added memory detection workaround for GeForce GT 420
  • Added GraphicsEnabler auto-detection for the following cards:
    • NOTE: Proper drivers are required for full support.
      • Gigabyte Radeon HD 6850
      • AMD Radeon HD 6950 Series
        • AMD Radeon HD 6870 Series
        • AMD Radeon HD 6850 Series
        • AMD Radeon HD 6790 Series
        • GeForce GT 440
        • GeForce GT 520
        • GeForce GT 520M
        • GeForce GT 530 
        • GeForce GTX 560 Ti 
        • GeForce GTX 570
        • GeForce GTX 590
        • GeForce 8400 GS additional ID
        • GeForce GTS 450 additional ID

    Chimera 1.4.1 is recommended for all systems. To update, simply overwrite your previous Chameleon version using MultiBeast. For bug reporting, feature requests, and general feedback please use the Chimera forum.

    To read the full list of changes, and detailed explanation behind them, check out MacMan's Blog.

    -tonymacx86 & MacMan
    For discussions on this and other topics, register today at!