ASUS ROG Zephyrus G14 (2022) GA402 - ArchWiki

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# ASUS ROG Zephyrus G14 (2022) GA402

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This article or section does not follow the Laptop page guidelines.

Reason: Still missing some hardware IDs and an Accessibility section, Firmware section and "Function key" section. (Discuss in Talk:ASUS ROG Zephyrus G14 (2022) GA402)

Hardware | PCI/USB ID | Working?
--- | --- | ---
GPU | `1002:1681` | Yes
Wi-Fi | `14c3:7922` | Yes
Bluetooth | `13d3:3568` | Yes
Audio | `1022:15e3` | Yes
Touchpad | `04F3:319B` | Yes
Keyboard | `0b05:19b6` | Yes
Webcam | `13d3:56eb` | Yes

This page is applicable to the Asus ROG Zephyrus G14 GA402[dead link 2024-07-30 ⓘ].

## VFIO

The GPUs being muxed makes this laptop great for PCI Passthrough.

Kernel parameters can be set to bind vfio-pci to the discrete GPU.

    rd.driver.pre=vfio-pci nogpumanager vfio-pci.ids=1002:73ef,1002:ab28

The GPU can then later be unbound from vfio-pci and rebound to AMDGPU later without disturbing the X11 session.

    # echo 0000:03:00.0 > /sys/bus/pci/devices/0000:03:00.0/driver/unbind
    # echo 0000:03:00.1 > /sys/bus/pci/devices/0000:03:00.1/driver/unbind
    # modprobe amdgpu
    # echo 0000:03:00.0 > /sys/module/amdgpu/drivers/pci:amdgpu/bind
    # echo 1 > /sys/bus/pci/rescan

## Power Management

See Power management, Laptop#Power management, AMDGPU#Power profiles

## Suspend

Attempting to use s2idle occasionally crashes AMDGPU, resulting in artifacting.

A legacy s3 patch is available. See Power management/Suspend and hibernate#Changing suspend method.~

## Wireless

### Wi-Fi

The MediaTek MT7922 works with the MT7921e driver, but has oddly high ping times (~20ms for a single hop) with high variability (>2ms jitter). So it is functional, but has problems.

Some have recommended switching it out for the more popular and widely supported Intel Wi-Fi cards.

## ASUS Linux

The ASUS Linux stack provides users of this laptop with a great many ASUS specific functions, to name a few:

- Battery Charge Limit,
- Multiplexer (GPU) Controls,
- Panel Overdrive,
- Much more.

It is highly recommended to install these tools for the optimal experience on these laptops.

## Issues

Seems to be mostly fixed as of 6.8.1. Some users still report occasional problems.

As of kernel 6.6.8, there are some issues on this laptop:

- Laptop will not resume from suspend and must be forcefully shutdown.
- Laptop will suddenly jump to 100% fan usage while on suspend and must be forcefully shutdown.
- Laptop will freeze after Gnome log-in and must be forcefully shutdown. After restarting, log-in works.

Some of these issues are stated to be solved as of 6.8rc5, but some still persist, so it is probably a good idea to stay on 6.6.7, at least until all of the issues are fixed.

downgradeAUR can be used to easily downgrade the kernel and add it to IgnorePkg automatically.

There is an issue open on the amd repo: https://gitlab.freedesktop.org/drm/amd/-/issues/3132#note_2293507.

More info on these issues on the Linux on ASUS ROG discord thread: https://discord.com/channels/725125934759411753/1197603143660339311. If you are not part of the discord server, then you can join via the invite link: https://discord.gg/gZEEynwA.

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- ASUS

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