iMac19,1
iMac (Retina 5K, 27-inch, 2019)iMac2019EFI 64-bitno security chip
iMac (Retina 5K, 27-inch, 2019)
Pro 570 / 575 / 580 / 570X / 575X / 580X
6-core Core i5 3.0/3.1/3.7 GHz or 8-core Core i9 3.6 GHz · Radeon Pro 570X / 575X / 580X
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
Audio0/4 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 Detailsimac19-1-5k-2019-a
- CPU
- Core i5-8500 3 GHz · 6-core; Core i5-8600 3.1 GHz · 6-core; Core i5-9600K 3.7 GHz · 6-core
BTO: Core i9-9900K 3.6 GHz · 8-core (Coffee Lake) - Memory
- 8 GB DDR4-2666 SO-DIMM · max 64 GB
- Storage
- 1 TB Fusion Drive / 2 TB Fusion Drive · SATA · BTO 3 TB Fusion Drive, 256 GB SSD, 512 GB SSD, 1 TB SSD, 2 TB SSD
- Display
- 27" 5120×2880 · Retina 5K LED IPS
- Graphics
- AMD Radeon Pro 570 / 575 / 580 / 570X / 575X / 580X (Polaris 10/20) · OpenGL ES 3.2
pci:1002:67df - Wi-Fi
- Broadcom BCM4364 802.11ac
pci:14e4:4464 - Bluetooth
- Broadcom BCM4364 Bluetooth 5.0 ?
- 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 Cannon Lake SATA controller
pci:8086:a352 - Storage controller
- Apple SSD (Samsung NVMe) BTO
pci:144d:a804 · pci:144d:a806 - Thunderbolt controller
- Intel JHL7540 "Titan Ridge" Thunderbolt 3 controller
pci:8086:15eb · pci:8086:15ea · pci:8086:15ec - 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:1
back-1Headphone / line out (analog)2back-2SD card slot3back-3USB 3 (Type-A)4back-4USB 3 (Type-A)5back-5USB 3 (Type-A)6back-6USB 3 (Type-A)7back-7Thunderbolt 3 (USB-C)8back-8Thunderbolt 3 (USB-C)9back-9Gigabit Ethernet
Numbered left to right as you face each side (top to bottom on a Mac Pro). Source: Apple manual, Apple Support - Back:1
- Features
- Built-in display · Built-in speaker(s) · Built-in microphone · Cooling fan · Audio over Mini DisplayPort / Thunderbolt
- Order no.
- MRQY2LL/A · MRR02LL/A · MRR12LL/A
Pro Vega 48
6- or 8-core · Radeon Pro Vega 48 (build to order)
build to order
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
Audio0/4 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 Detailsimac19-1-5k-2019-vega48
- CPU
- Core i5-9600K 3.7 GHz · 6-core; Core i9-9900K 3.6 GHz · 8-core (Coffee Lake)
- Memory
- 8 GB DDR4-2666 SO-DIMM · max 64 GB
- Storage
- 2 TB Fusion Drive · SATA · BTO 3 TB Fusion Drive, 256 GB SSD, 512 GB SSD, 1 TB SSD, 2 TB SSD
- Display
- 27" 5120×2880 · Retina 5K LED IPS
- Graphics
- AMD Radeon Pro Vega 48 · OpenGL ES 3.2
pci:1002:6869 - Wi-Fi
- Broadcom BCM4364 802.11ac
pci:14e4:4464 - Bluetooth
- Broadcom BCM4364 Bluetooth 5.0 ?
- 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 Cannon Lake SATA controller
pci:8086:a352 - Storage controller
- Apple SSD (Samsung NVMe) BTO
pci:144d:a804 · pci:144d:a806 - Thunderbolt controller
- Intel JHL7540 "Titan Ridge" Thunderbolt 3 controller
pci:8086:15eb · pci:8086:15ea · pci:8086:15ec - 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:1
back-1Headphone / line out (analog)2back-2SD card slot3back-3USB 3 (Type-A)4back-4USB 3 (Type-A)5back-5USB 3 (Type-A)6back-6USB 3 (Type-A)7back-7Thunderbolt 3 (USB-C)8back-8Thunderbolt 3 (USB-C)9back-9Gigabit Ethernet
Numbered left to right as you face each side (top to bottom on a Mac Pro). Source: Apple manual, Apple Support - Back:1
- Features
- Built-in display · Built-in speaker(s) · Built-in microphone · Cooling fan · Audio over Mini DisplayPort / Thunderbolt
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.
- No T2 chip, but the Wi-Fi/Bluetooth is the same BCM4364 used in T2 Macs.
Sources (8) and identifiers
Board IDs: Mac-AA95B1DDAB278B95
- https://support.apple.com/en-us/111998
- https://support.apple.com/en-us/108054
- https://everymac.com/systems/apple/imac/specs/imac-core-i5-3.0-27-inch-aluminum-retina-5k-early-2019-specs.html
- https://everymac.com/systems/apple/imac/specs/imac-core-i5-3.1-27-inch-aluminum-retina-5k-early-2019-specs.html
- https://everymac.com/systems/apple/imac/specs/imac-core-i5-3.7-27-inch-aluminum-retina-5k-early-2019-specs.html
- https://everymac.com/systems/apple/imac/specs/imac-core-i9-3.6-27-inch-aluminum-retina-5k-early-2019-specs.html
- https://github.com/acidanthera/OpenCorePkg/blob/master/AppleModels/DataBase/iMac/IM191.yaml
- https://github.com/linuxhw/LsPCI/tree/master/All%20In%20One/Apple/iMac19/iMac19%2C1