Solution:

ADAM-4500: Please use ADAM-4500 utility with 3.02 version to transfer files from ALLFILES to Flash ROM (Driver C of ADAM-4500) via Program function, then Y2K problem will be removed. ADAM-5510/A2: Please check the serial number of your ADAM-5510/A2 first: Before N9C00413394: ( First "9" means year 1999, "C" means March )Please add Rtc2000.exe in autoexec.bat and re-download it into ADAM-5510/A2. After rebooting, Y2K problem is gone. After N9C00413394: We have modified Y2K problem in the firmware of ADAM-5510/A2, it is not necessary to add Rtc2000.exe in autoexec.bat ADAM-5510/P31: There is no Y2K problem in ADAM-5510/P31