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Acer Aspire 4930G

Introduction

This is a quick summary of what works on in linux on the Acer Aspire 4930G laptop.

This guide is intended to provide you details on how well this laptop works with Linux and which modules you need to configure. For details on how to actually install and configure the required modules have a look at our guides section for distribution specific instructions.

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Specifications

NameAcer Aspire 4930G
ProcessorIntel Core 2 Duo processor T5800
Screen14.1“ WXGA LCD 1280×800
RAM2 GB
HDD160 GB
Optical DriveDVD+-RW Super Multi DL
Card ReaderJMicron
GraphicsNVIDIA Geforce 9300M GS 256 MB VRAM
SoundIntel HDA with 5.1 audio output (Realtek ALC888S-VC chipset)
NetworkRealtek Gigabit RTL8111/8168B, 802.11a/b/g/Draft-N WLAN (Intel Wireless 5100AGN)
CameraAcer CrystalEye
IRENE Technologies CIR
Fingerprint readerAuthenTec, Inc. AES1600

Linux Compatibility

DeviceCompatibilityComments
ProcessorYes
ScreenYes
HDDYes
Optical DriveYes
GraphicsYes
SoundYesNeeds kernel >= 2.6.27, module snd-intel-hda. The internal microphone works with the alsa-driver from git.
EthernetYes
WirelessYesNeeds kernel >= 2.6.27 with iwlagn module (Kill-radio key works).
BluetoothN/A
56K ModemNot Tested
USBYes
FirewireN/A
IRNo
Card ReaderYes
ExpressCard SlotNot Tested
CameraYesWorks out of the box (module uvcvideo)
Special keysYesThe multimedia keys work out of the box, but the other special keys need that the module acerhk is loaded with the option “force_series=2020 poll=0”. The mail led doesn't work.
Fingerprint readerYesSupported by libfprint (AES1600)

Notes

For proper hardware support you will need a kernel with minimum version 2.6.27.
The main problem was to compile the 2.6.27 kernel which is relatively new, then install the NVIDIA proprietary driver (177.80).

Video

Use the NVIDIA proprietary driver 177.80.
There is a small bug that makes the screen turn off when VT switching. Switching back to X solves it, but it is impossible to see the VT screen.

Sound

The audio requires the “snd-intel-hda” module from the 2.6.27 kernel.
To be able to use the internal microphone, headphone jack sense and channel mode, the latest alsa-driver snapshot must be used (version > 1.0.18a).
I didn't test the SPDIF output.

Networking

Both the ethernet card and wireless card work. The wireless card needs a kernel 2.6.27 with the iwlagn module to work. The keyboard has a special wireless key that will blink while the network is used. It is possible to use this key to enable/disable the radio.

Multimedia keys

The multimedia keys are already recognized properly by xorg and work out of the box. Some other keys are not recognized directly and need the use of the acerhk module with the option “force_series=2020 poll=0”. Then, the keys need to be manually mapped using setkeycodes and xmodmap.
The laptop has a volume jog on the side that simulates key pressed.
From my experience, acerhk is able to detect all the keys, even the most unexpected ones like Fn+F7 that is used to disable the touchpad or the kill radio key.

Camera

The built-in webcam is detected (module uvcvideo) and works out of the box. It works well with Kopete and Skype 2.

Infrared sensor

lshal reports the sensor as ENE0100, but I didn't find any linux drivers for it.

Fingerprint reader

The fingerprint reader is supported by the libfprint library with the AES1600 driver. I tried the demo program but it seems that most of the time the scanning is not so accurate. Not sure whether it's caused by the hardware or software.

Suspend

Suspend to RAM and suspend to disk worked for me without further tweaking.
Although, when suspending to disk the laptop sometimes doesn't turn off properly and needs to be manually switched off once the harddisk led stopped blinking. After that, the waking up still works properly.

Summary

The laptop Acer Aspire 4930G doesn't work out of the box, but after a some tweaking it is possible to make most of the devices work in linux.


Discussion

aman, 2009/02/28 08:17

How to use acer4720 fingerprint reader

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acer_aspire_4930g.txt · Last modified: 2010/10/11 14:01 (external edit)
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