Acer Aspire 4730, 4730Z, 4730ZG Series Base System Device and Unknown Device

Acer Aspire 4730, 4730Z, 4730ZG series base system device and unknown device drivers for download:

Base system device
»Card reader      w7
»Card reader      vista
»Card reader      xp

Unknown device: device manager > others device
»Agere modem   xp           id: hdaudio*
»Agere modem   vista \ 7   id: hdaudio*
»Intel   chipset    xp           id: usb*
»Intel   chipset    vista       id: usb*
»Intel   chipset    w7          id: usb*

Tq...