iMac13,1

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

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

iMac (21.5-inch, Late 2012)

announced 2012-10-23 · discontinued 2013-09-24 · A1418 · EMC 2544

GT 640M Quad-core Core i5 2.7 GHz · GeForce GT 640M Untested0/22 tested

Boot0/3 passed

Stock installer boots via 64-bit EFIUntested
Internal storage detected and installation completesUntested
Installed system starts, restarts and shuts down cleanlyUntested

Graphics0/2 passed

Discrete GPU accelerationUntested
External display outputUntested back-7back-8

Display0/2 passed

Internal display at native resolutionUntested
Display brightness controlUntested

Power0/1 passed

Sleep and wakeUntested

Audio0/5 passed

Built-in speakersUntested
Built-in microphoneUntested
Headphone / analog audio outputUntested back-1
Optical digital audio outputUntested back-1
Audio over HDMI / DisplayPortUntested

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/3 passed

USB-A portsUntested back-3back-4back-5back-6
Thunderbolt devices (storage, docks, hotplug)Untested back-7back-8
SD card readerUntested back-2
Port methodology

Thermal0/2 passed

Temperature sensors report under loadUntested
Fans respond to loadUntested

Hardware Configuration Detailsimac13-1-21-late-2012-a

CPU: Core i5-3330S 2.7 GHz · 4-core (Ivy Bridge)
Memory: 8 GB DDR3-1600 SO-DIMM · max 16 GB
Storage: 1 TB HDD · SATA
Display: 21.5" 1920×1080 · LED IPS
Graphics: NVIDIA GeForce GT 640M · OpenGL ES 3.1
pci:10de:0fd8
Wi-Fi: Broadcom BCM4331 802.11a/b/g/n
pci:14e4:4331
Bluetooth: Apple Bluetooth 4.0 (USB 05ac:828b)
usb:05ac:828b
Audio codec: Cirrus Logic CS4206
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel 7 Series SATA controller
pci:8086:1e03 · pci:8086:1e02
Thunderbolt controller: Intel DSL3510 "Cactus Ridge" Thunderbolt controller
pci:8086:1547
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Optical digital audio out · Gigabit Ethernet · SD card slot · 2× Thunderbolt 1 · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog) + Optical digital audio out2back-2 SD card slot3back-3 USB 3 (Type-A)4back-4 USB 3 (Type-A)5back-5 USB 3 (Type-A)6back-6 USB 3 (Type-A)7back-7 Thunderbolt 18back-8 Thunderbolt 19back-9 Gigabit Ethernet
Numbered left to right as you face each side (top to bottom on a Mac Pro). Source: Apple manual
Features: Built-in display · Built-in speaker(s) · Built-in microphone · Cooling fan · Audio over Mini DisplayPort / Thunderbolt
Order no.: MD093LL/A

GT 650M Quad-core Core i5 2.9 GHz or Core i7 3.1 GHz · GeForce GT 650M Untested0/22 tested

Boot0/3 passed

Stock installer boots via 64-bit EFIUntested
Internal storage detected and installation completesUntested
Installed system starts, restarts and shuts down cleanlyUntested

Graphics0/2 passed

Discrete GPU accelerationUntested
External display outputUntested back-7back-8

Display0/2 passed

Internal display at native resolutionUntested
Display brightness controlUntested

Power0/1 passed

Sleep and wakeUntested

Audio0/5 passed

Built-in speakersUntested
Built-in microphoneUntested
Headphone / analog audio outputUntested back-1
Optical digital audio outputUntested back-1
Audio over HDMI / DisplayPortUntested

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/3 passed

USB-A portsUntested back-3back-4back-5back-6
Thunderbolt devices (storage, docks, hotplug)Untested back-7back-8
SD card readerUntested back-2
Port methodology

Thermal0/2 passed

Temperature sensors report under loadUntested
Fans respond to loadUntested

Hardware Configuration Detailsimac13-1-21-late-2012-b

CPU: Core i5-3470S 2.9 GHz · 4-core
BTO: Core i7-3770S 3.1 GHz · 4-core (Ivy Bridge)
Memory: 8 GB DDR3-1600 SO-DIMM · max 16 GB
Storage: 1 TB HDD · SATA · BTO 1 TB Fusion Drive
Display: 21.5" 1920×1080 · LED IPS
Graphics: NVIDIA GeForce GT 650M · OpenGL ES 3.1
pci:10de:0fd5
Wi-Fi: Broadcom BCM4331 802.11a/b/g/n
pci:14e4:4331
Bluetooth: Apple Bluetooth 4.0 (USB 05ac:828b)
usb:05ac:828b
Audio codec: Cirrus Logic CS4206
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel 7 Series SATA controller
pci:8086:1e03 · pci:8086:1e02
Storage controller: Apple PCIe SSD (AHCI) BTO
pci:144d:a801 · pci:144d:1600 · pci:1b4b:9183 · pci:1179:010b
Thunderbolt controller: Intel DSL3510 "Cactus Ridge" Thunderbolt controller
pci:8086:1547
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Optical digital audio out · Gigabit Ethernet · SD card slot · 2× Thunderbolt 1 · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog) + Optical digital audio out2back-2 SD card slot3back-3 USB 3 (Type-A)4back-4 USB 3 (Type-A)5back-5 USB 3 (Type-A)6back-6 USB 3 (Type-A)7back-7 Thunderbolt 18back-8 Thunderbolt 19back-9 Gigabit Ethernet
Numbered left to right as you face each side (top to bottom on a Mac Pro). Source: Apple manual
Features: Built-in display · Built-in speaker(s) · Built-in microphone · Cooling fan · Audio over Mini DisplayPort / Thunderbolt
Order no.: MD094LL/A

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