Demand for Intel Atom remains stymied by testing bottleneck causing shortage.Demand for Intel's Atom processor is strong, with computer makers clamoring for more chips to plug into the small, portable laptops called netbooks, but the chips remain in short supply. The problem isn't that Intel can't make enough of the silicon chips - the company can, and it is - but availability remains stymied by a testing bottleneck that prevents the chip maker from meeting demand.