How to update the XPAC SDK?
XPAC site:
  1.Copy the file, XPACSDK_CE6_Vnnnn.cab to XPAC (by FTP, CF, USB disk or etc)
  2.Run XPACSDK_CE6_Vnnnn.cab and all files will be updated to \System_Disk\ICPDAS\System
  
PC site:
  1.Copy the file, XPAC_SDK_Vnnnn_PC.msi to PC
  2.Run XPAC_SDK_Vnnnn_PC.msi and all files will be updated to Windows CE Tools location (C:\Program Files\Windows CE Tools\wce600\XPacSDK_CE)