iMac18,1

iMac (21.5-inch, 2017)iMac2017EFI 64-bitno security chip

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iMac18,1 2017 0 of 1 configuration tested Cards Matrix

iMac (21.5-inch, 2017)

announced 2017-06-05 · discontinued 2021-10-29 · A1418 · EMC 3068

2017 Dual-core Core i5 2.3 GHz · Iris Plus 640 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

Integrated 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

Audio0/4 passed

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

Camera0/1 passed

Built-in webcamUntested

Networking0/3 passed

Wi-FiUntested
BluetoothUntested
EthernetUntested back-9

Ports0/4 passed

USB-A portsUntested back-3back-4back-5back-6
USB-C / Thunderbolt 3 ports (USB data)Untested back-7back-8
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 Detailsimac18-1-21-2017-a

CPU: Core i5-7360U 2.3 GHz (Kaby Lake)
Memory: 8 GB DDR4-2133 · max 16 GB · soldered
Storage: 1 TB HDD · SATA · BTO 1 TB Fusion Drive, 256 GB SSD
Display: 21.5" 1920×1080 · LED IPS
Graphics: Intel Iris Plus Graphics 640 · OpenGL ES 3.2
pci:8086:5926
Wi-Fi: Broadcom BCM43602 802.11ac
pci:14e4:43ba
Bluetooth: Apple Bluetooth 4.2 (USB 05ac:8296)
usb:05ac:8296
Audio codec: Cirrus Logic CS8409 (with CS42L42)
Camera: Apple FaceTime HD camera (USB 05ac:8511)
usb:05ac:8511
Ethernet: Broadcom NetXtreme BCM57766 Gigabit Ethernet
pci:14e4:1686
Storage controller: Intel Sunrise Point-LP SATA controller
pci:8086:9d03
Storage controller: Apple SSD (Samsung NVMe) BTO
pci:144d:a804 · pci:144d:a806
Thunderbolt controller: Intel JHL6540 "Alpine Ridge" Thunderbolt 3 controller
pci:8086:15d3 · pci:8086:15d2 · pci:8086:15d4 · pci:8086:1578
SD card reader: Broadcom BCM57765 SDXC card reader
pci:14e4:16bc
Ports: Headphone / line out (analog) · Gigabit Ethernet · SD card slot · 2× Thunderbolt 3 (USB-C) · 4× USB 3 (Type-A)
Port layout: Download drawing (SVG)

Port methodology

Back:1back-1 Headphone / line out (analog)2back-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 3 (USB-C)8back-8 Thunderbolt 3 (USB-C)9back-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.: MMQA2LL/A · MHK03LL/A

Research notes (unverified)

Audio is a Cirrus Logic CS8409 codec; on many observed machines Linux fell back to the generic HDA parser, so audio needs attention in testing.

Sources (5) and identifiers

Board IDs: Mac-4B682C642B45593E