Tom Franklin wrote: >>>>> Has anyone got full-duplex working on the ESS1688 sound chip used in the Thinkpad 760, TP560, and TP380? I have the latest IBM drivers and it only allows half duplex. <<<<< The TP380 uses the Crystal Semiconductor CS4236 which is full duplex (see the press release at http://www.crystal.com/new/95_1030p.htm). Friedrich Huebler via mkobay@tky0.attnet.or.jp