MacBookAir2,1

MacBook Air (Mid 2009)MacBook Air2008–2009EFI 64-bitno security chip

MacBookAir2,1 Late 2008 Mid 2009 0 of 2 configurations tested Cards Matrix

Criterion	Late 2008	Mid 2009	Config count
Boot · a failure here makes a config Unsupported 0 of 6 passed
Stock installer boots via 64-bit EFI	Untested	Untested	2
Internal storage detected and installation completes	Untested	Untested	2
Installed system starts, restarts and shuts down cleanly	Untested	Untested	2
Graphics 0 of 4 passed
Integrated GPU acceleration	Untested	Untested	2
External display output	Untested	Untested	2
Display 0 of 4 passed
Internal display at native resolution	Untested	Untested	2
Display brightness control	Untested	Untested	2
Input 0 of 10 passed
Built-in keyboard and function keys	Untested	Untested	2
Trackpad and multi-touch	Untested	Untested	2
Keyboard backlight	Untested	Untested	2
Ambient light sensor	Untested	Untested	2
IR receiver (Apple Remote)	Untested	Untested	2
Power 0 of 8 passed
Sleep and wake	Untested	Untested	2
Battery status and charge reporting	Untested	Untested	2
AC power and battery charging	Untested	Untested	2
Lid close sleep and lid open wake	Untested	Untested	2
Audio 0 of 6 passed
Built-in speakers	Untested	Untested	2
Built-in microphone	Untested	Untested	2
Headphone / analog audio output	Untested	Untested	2
Camera 0 of 2 passed
Built-in webcam	Untested	Untested	2
Networking 0 of 4 passed
Wi-Fi	Untested	Untested	2
Bluetooth	Untested	Untested	2
Ports 0 of 2 passed
USB-A ports	Untested	Untested	2
Thermal 0 of 4 passed
Temperature sensors report under load	Untested	Untested	2
Fans respond to load	Untested	Untested	2

Research notes (unverified)

Late 2008 and Mid 2009 share this identifier and all components. Audio is a Realtek ALC889A on every observed machine.
Bluetooth: 6 of 8 observed machines report USB 05ac:8216, 2 report 05ac:8210.
Apple's identification page also lists MC505 under Mid 2009; MC505 is the 11-inch Late 2010 model.

Sources (6) and identifiers

Board IDs: Mac-F42D88C8