Apple has released the SMC and EFI firmware updates for the MacBook Pros (late 2008 only) and Mac Book Airs. The updates are only for the new Late 2008 MacBooks – not for all MacBooks. If you need the updates, they will show up in Software Update.
SMC – System Management Controller for Intel- based computers. It controls the power functions on your logic-board.
EFI – Extensible Firmware Interface consists of an on-board flash EEPROM that includes the
hardware-specific code and tables needed to start up the computer, load
an operating system, and provide common hardware access services.
TUAM – the unofficial Apple weblog released this details:
MacBook
SMC Firmware Update 1.2 (Download Page)
This
update “improves the sensing and accuracy of the MagSafe Power Adapter
indicator light, and the battery charge indicator lights on the MacBook
(late 2008) model.”
EFI Firmware Update 1.3 (Download Page)
This update “fixes several issues to improve the stability of the MacBook (Late 2008) model.”
MacBook Pro 15″
SMC Firmware Update 1.2 (Download Page)
This
update “improves the sensing and accuracy of the MagSafe Power Adapter
indicator light, and the battery charge indicator lights on the MacBook
Pro (late 2008) model.”
EFI Firmware Update 1.6 (Download Page)
This update “fixes several issues to improve the stability of the MacBook Pro (Late 2008) model.”
MacBook Air
SMC Firmware Update 1.1 (Download Page)
This
update “improves the sensing and accuracy of the MagSafe Power Adapter
indicator light, and the battery charge indicator lights on the MacBook
Air (late 2008) model.”
EFI Firmware Update 1.1 (Download Page)
This update “fixes several issues to improve the stability of the MacBook Air (Late 2008) model.”
