# Acer Travelmate 4750

From ArchWiki
Jump to navigation Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.

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

Reason: Stub (Discuss in Talk:Acer Travelmate 4750#)

This article or section is out of date.

Reason: This page is ancient (Discuss in Talk:Laptop#Old laptop pages)

Hardware | PCI/USB ID | Working?
--- | --- | ---
Video |  | Yes
Ethernet |  | Yes
Wireless |  | Yes
Audio |  | Yes
Touchpad |  | Yes
Camera |  | Yes
Card reader |  | Yes
Function keys |  | Most work

## Installation

### Kernel boot parameters

To let kernel bootable, acpi workable, and CPU on demand. These pararmeters should be added into boot loader kernel option (eg. grub).

acpi_osi=Linux intel_pstate=disable

## Audio

In order to make integrated speakers work add to `/etc/modprobe.d/modprobe.conf`:

    options snd-hda-intel index=0 model=auto

And to `/etc/modprobe.d/sound.conf` add:

    alias snd-card-0 snd-hda-intel
    alias sound-slot-0 snd-hda-intel

## Function keys

- support by kernel

    * Fn+F3: Toggle Wifi (or use slider on right-bottom corner of keyboard)
    * Fn+F6: Toggle back-light to save battery
    * Fn+F7: Toggle touchpad
    * Fn+Left/Right adjust back-light (XF86MonBrightnessDown/XF86MonBrightnessUp) (add acpi_osi=Linux option on linux boot)

- supported by acpid /etc/acpi/handler.sh

    * Fn+F4: Suspend to ram
    * Fn+F5 toggle VGA (XF86Display)
    * Fn+F8 toggle speaker (XF86AudioMute)
    * Fn+Up/Down adjust speaker volume (XF86AudioRaiseVolume/XF86AudioLowerVolume)
    * Fn+Home Play/Pause(XF86AudioPlay)
    * Fn+PgUp Stop(XF86AudioStop)
    * Fn+PgDn Seek back(XF86AudioPrev)
    * Fn+End Seek Forward(XF86AudioNext)

    # use acpi_listen to check button name, modify /etc/acpi/handler.sh

        #...
        button/sleep)
            case "$2" in
                SLPB|SBTN)
                    logger 'SleepButton pressed'
    		echo -n mem > /sys/power/state
                    ;;
                *)
                    logger "ACPI action undefined: $2"
                    ;;
            esac
            ;;
        #...
        button/volumeup)
    		logger "VOLUP"
    		amixer set Master 5%+
    		;;
        button/volumedown)
            logger "VOLDN"
    		amixer set Master 5%-
    		;;
        button/mute)
            logger "MUTE" # still buggy, require 4 times to turn on
    		amixer set Master toggle
    		amixer set Headphone toggle
    		amixer set Speaker toggle
    		;;
        cd/play)
            logger "CDPLAY"
    		;;
        cd/stop)
            logger "CDSTOP"
    		;;
        cd/prev)
            logger "CDPREV"
    		;;
        cd/next)
            logger "CDNEXT"
    		;;

- keys which can not workable

    * 'Euro','$' key

Category:

- Acer

Hidden categories:

- Pages or sections flagged with Template:Laptop style
- Pages or sections flagged with Template:Out of date