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At least four different versions of this laptop exist: AO1-131-C9PM and AO1-131-C620 with a 11" screen, and AO1-431-C2YR and AO1-431-C7F9 with a 14" screen. All of them also have slightly different hardware (e.g. wireless card).
## Contents
* [1 Hardware](#Hardware)
* [1.1 AO1-431-C2YR](#AO1-431-C2YR)
* [1.2 AO1-431-C7F9 (possibly)](#AO1-431-C7F9_.28possibly.29)
* [1.3 AO1-431-C8G8](#AO1-431-C8G8)
* [1.4 BIOS configuration](#BIOS_configuration)
* [1.5 Kernel parameters](#Kernel_parameters)
* [1.6 Installation](#Installation)
* [2 Installation (UEFI mode)](#Installation_.28UEFI_mode.29)
* [2.1 BIOS configuration](#BIOS_configuration_2)
* [3 Troubleshooting](#Troubleshooting)
* [3.1 GDM](#GDM)
* [3.2 High load average on idle](#High_load_average_on_idle)
* [3.3 Bluetooth](#Bluetooth)
## Hardware
**Processor:** Intel Celeron N3050 @ 1.60GHz
**Video:** Intel Corporation Device 22b1 (rev 21)
**Audio:** Intel Corporation Device 2284 (rev 21)
### AO1-431-C2YR
| **Device** | **Working** |
| [Intel graphics](/index.php/Intel_graphics "Intel graphics") | Yes |
| Wireless | Yes |
| [Audio](/index.php/ALSA "ALSA") | Yes |
| [Touchpad](/index.php/Touchpad "Touchpad") | Yes |
| [Webcam](/index.php/Webcam "Webcam") | Yes |
| Card Reader | Yes |
| Bluetooth | Yes |
**Wireless NIC:** Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter 802.11b/g/n (rev 01)
`# lspci -nn`
```
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:2280] (rev 21)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:22b1] (rev 21)
00:0b.0 Signal processing controller [1180]: Intel Corporation Device [8086:22dc] (rev 21)
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:22b5] (rev 21)
00:1a.0 Encryption controller [1080]: Intel Corporation Device [8086:2298] (rev 21)
00:1b.0 Audio device [0403]: Intel Corporation Device [8086:2284] (rev 21)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:22c8] (rev 21)
00:1c.2 PCI bridge [0604]: Intel Corporation Device [8086:22cc] (rev 21)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:229c] (rev 21)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:2292] (rev 21)
02:00.0 Network controller [0280]: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter [168c:0036] (rev 01)
```
`# lsusb`
```
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04ca:3014 Lite-On Technology Corp. Qualcoom Atheros Bluetooth
Bus 001 Device 003: ID 064e:9404 Suyin Corp.
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
```
### AO1-431-C7F9 (possibly)
**Wireless NIC:** Intel Corporation Dual Band Wireless AC 3160 (rev 83)
`# lspci -nn`
```
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:2280] (rev 21)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:22b1] (rev 21)
00:0b.0 Signal processing controller [1180]: Intel Corporation Device [8086:22dc] (rev 21)
00:10.0 SD Host controller [0805]: Intel Corporation Device [8086:2294] (rev 21)
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:22b5] (rev 21)
00:18.0 DMA controller [0801]: Intel Corporation Device [8086:22c0] (rev 21)
00:18.1 Serial bus controller [0c80]: Intel Corporation Device [8086:22c1] (rev 21)
00:1a.0 Encryption controller [1080]: Intel Corporation Device [8086:2298] (rev 21)
00:1b.0 Audio device [0403]: Intel Corporation Device [8086:2284] (rev 21)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:22c8] (rev 21)
00:1c.2 PCI bridge [0604]: Intel Corporation Device [8086:22cc] (rev 21)
00:1e.0 DMA controller [0801]: Intel Corporation Device [8086:2286] (rev 21)
00:1e.4 Communication controller [0780]: Intel Corporation Device [8086:228c] (rev 21)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:229c] (rev 21)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:2292] (rev 21)
02:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
```
### AO1-431-C8G8
`# lspci -nn`
```
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:2280] (rev 21)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:22b1] (rev 21)
00:0b.0 Signal processing controller [1180]: Intel Corporation Device [8086:22dc] (rev 21)
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:22b5] (rev 21)
00:1a.0 Encryption controller [1080]: Intel Corporation Device [8086:2298] (rev 21)
00:1b.0 Audio device [0403]: Intel Corporation Device [8086:2284] (rev 21)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:22c8] (rev 21)
00:1c.2 PCI bridge [0604]: Intel Corporation Device [8086:22cc] (rev 21)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:229c] (rev 21)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:2292] (rev 21)
02:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
```
`# lsusb`
```
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 8087:07dc Intel Corp.
Bus 001 Device 003: ID 064e:9404 Suyin Corp.
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
```
### BIOS configuration
* Touchpad: Basic
* Boot Mode: Legacy
* Boot priority order: the eMMC block device needs to have a lower boot priority than the USB bootable device.
Then save and exit.
### Kernel parameters
Without these options, the installation image will not load at all:
* edd=off
* noapic
Therefore these parameters needs to be added at the end of the kernel parameters' line of the boot launcher:
```
linux /vmlinuz-linux ... edd=off noapic
```
### Installation
* Everything should function without any issues thanks to the previous kernel parameters, proceed to install the image as normal.
* The module for the wireless NIC is included with the kernel, so Wi-Fi works out of the box.
* Do not forget to add **edd=off noapic** to the kernel parameters of the boot launcher's configuration file.
## Installation (UEFI mode)
No additional kernel parameters are needed.
### BIOS configuration
* Touchpad: Basic
* Boot Mode: UEFI
* Boot priority order: the eMMC block device needs to have a lower boot priority than the USB bootable device.
* Secure Boot: Disabled, or use BIOS menu to trust the Arch ISO bootloader.
Then save and exit.
## Troubleshooting
### GDM
If Gnome/GDM is installed and started, the login page will flicker up-to the point that it becomes nonfunctional. See [GDM#Use Xorg backend](/index.php/GDM#Use_Xorg_backend "GDM").
### High load average on idle
The kernel module **rtsx_usb_ms** is loaded at boot time yet is non-functional (the kernel thread associated to the module when inspecting with *top* is a zombified process) and unnecessary for the system to function. The module can safely be [blacklisted](/index.php/Blacklist "Blacklist").
### Bluetooth
At least in AO1-431-C8G8 bluetooth device is deactivated via RF-kill by default. After activating it works flawlessly with bluez.