To install the Johns Hopkins Antibiotic Guide (ABX Guide), you should download the Mac version from the Johns Hopkins website. This version is a .zip archive that includes the necessary .prc and .pdb files. You can use the StyleTap Application Installer program on your desktop to load the .zip file directly and install the application onto your Pocket PC device.
Once the software is installed, it is possible to update the database over the Internet -- either through a WiFi connection or when the device is in the cradle.
Besides entering the User Info you also need enter the following Server Information manually:
Update Header: /cgi-bin/pdb_proc/GetUpdateInfo
Update Chunk: /cgi-bin/pdb_proc/GetUpdateChunk