我查了下,升级BIOS应该可以,我们这都是5CKT18AUS的bios,bing搜索5CKT77AUS更新日志里面 Changes for 5CKT64A/5CJT64A: 1. Support 4GB DIMMs. Changes for 5CKT66A/5CJT66A: 1. Fix a resuming issue. 2. Fix a USB provision will not work without the parameter of "consume 1". 3. Fix the system hang when plug ATI 2460 VAG card. Changes for 5CKT67A/5CJT67A: 1. Support for 2 gigabit memory DIMM technology.