iMac13,1

iMac (21.5-inch, Late 2012)iMac2012EFI 64-bitno security chip

iMac13,1 GT 640M GT 650M 0 of 2 configurations tested Cards Matrix

Criterion	GT 640M	GT 650M	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
Discrete 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
Power 0 of 2 passed
Sleep and wake	Untested	Untested	2
Audio 0 of 10 passed
Built-in speakers	Untested	Untested	2
Built-in microphone	Untested	Untested	2
Headphone / analog audio output	Untested	Untested	2
Optical digital audio output	Untested	Untested	2
Audio over HDMI / DisplayPort	Untested	Untested	2
Camera 0 of 2 passed
Built-in webcam	Untested	Untested	2
Networking 0 of 6 passed
Wi-Fi	Untested	Untested	2
Bluetooth	Untested	Untested	2
Ethernet	Untested	Untested	2
Ports 0 of 6 passed
USB-A ports	Untested	Untested	2
Thunderbolt devices (storage, docks, hotplug)	Untested	Untested	2
SD card reader	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)

Thin redesign: no optical drive, IR receiver, FireWire or audio line-in. Audio is a Cirrus Logic CS4206 codec on every observed machine.

Sources (8) and identifiers

Board IDs: Mac-00BE6ED71E35EB86