Acer Travelmate 4750

硬件	PCI/USB ID	工作状态？
视频		是
以太网		是
无线		是
音频		是
触摸板		是
摄像头		是
读卡器		是
功能键		多数工作正常

安装

内核引导参数

为了让内核可引导、acpi 可用以及 CPU 按需工作。这些参数应该添加到启动引导程序的内核选项中（例如 grub）。

acpi_osi=Linux intel_pstate=disable

音频

为了使集成扬声器工作，添加到 /etc/modprobe.d/modprobe.conf

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

并添加到 /etc/modprobe.d/sound.conf

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

功能键

• 内核支持

* 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)

• 由 acpid /etc/acpi/handler.sh 支持

* 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"
		;;

• 无法工作的功能键

* 'Euro','$' key