The main display could run either a regular OS off a separate Intel Atom processor, or you could skip that and use the system-on-a-chip with its embedded OS. The benefit for the latter is that battery life should be exceptional; ASUS claimed up to 12 hours of battery life while viewing videos, so you could use the touchpad to browse through your video library and then queue up several videos to watch on the main display, all without ever powering up the Intel Atom with its accompanying motherboard, memory, etc. The Tegra SOC uses the notebook's main battery, thus it benefits from very long battery life.
ASUS notebook prototype features 4.7-inch LCD display with NVIDIA Tegra
Posted on Thursday, January 08 2009 @ 20:13 CET by Thomas De Maesschalck
ASUS showed off a prototype of a notebook with a 4.7" LCD touchpad that features the NVIDIA Tegra APX SoC and an embedded operating system that delivers exceptional battery life: