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Casio Cassiopeia A-20 Upgrades FAQ
By Casio

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As a service to the Windows CE community, CEWindows.NET is offering these files provided by Casio. No affiliation exists between CEWindows.NET and Casio USA, Inc.

F. The AC adapter for use with the A-20 is the AD-C50200U. It does not require a cradle, and plugs directly into the AC jack on the left side.

F. The cradle for the A-20 is the A-D10LC.

F. The rechargeable battery pack for the A-20 is A-B10LT. To charge the battery pack, load it into the unit (in place of the AA batteries), then connect the AC adapter. No other charger is needed.

F. The AD-C50150U AC adapter, CR-A10 large docking station, CR-M10 mini docking station, NH-10A rechargeable battery pack, and CH50150A battery charger do not work with the A-20. Likewise, the A-20 accessories listed above do not work with older Cassiopeia models.

Q. Can Handheld PC's be upgraded?

A. During the designing of the Handheld PC, Microsoft worked with manufacturers to develop hardware guidelines to ensure that the devices would be easily upgradable when new versions of the Windows CE operating system or applications are released. The Windows CE operating system and the Microsoft suite of standard applications are installed in Handheld PC ROM. Each individual hardware manufacturer has their own upgrade path for ROM, either via simple user upgrade or factory service. Additional applications for the Handheld can be installed in RAM, such as Pocket Internet Explorer or Pocket Streets, and can be easily upgraded via desktop or Web-based download.

Q. What modems can I use with the Cassiopeia?

A. You can use a PCMCIA Type II modem inserted into the PCMCIA slot, or an external modem connected to the RS-232C port on the left side using the included cable along with a null-modem cable.

Q. What PC Cards are supported?

A. You can check Microsoft's Windows CE Hardware Compatibility List for some PCMCIA devices that will work with your Cassiopeia. The list can be found at Keep in mind that the devices on this list are not necessarily the only ones that will work, just the ones that have been tested.

Q. Can I use an external modem with my Cassiopeia instead of a PC Card modem?

A. Yes. However, your modem cable must be a null-modem cable with an appropriate 9-pin to 25-pin adapter. Make certain that the external modem is turned on before configuring your dialer settings. The external modem will be treated as a generic modem on COM1, unlike PC Card modems which are recognized as specific types.

Q. My external modem does not work using the supplied cable.

A. You must also use a null modem cable and a 9-pin to 25-pin adapter in conjunction with the supplied cable in order for the external modem to work.

Q. I'm using a PCMCIA or CompactFlash RAM card, but when I go to the System properties, the amount of memory has not increased. Why?

A. The RAM on the card is used for storage of programs and files, much like you would use a floppy disk on a desktop computer. The card cannot be used to increase program execution memory, and it is for that reason that the RAM on the card isn't added to main memory.

Q. How do I install programs to a PCMCIA or CompactFlash RAM card?

A. This may vary depending on how the individual program is installed. For some programs that are installed from the desktop PC through the Application Manager, a dialog box asking if you want to install to the default application install directory might appear. Answering "No" to this dialog box will prompt you to choose a directory, and you may specify the Storage Card. If you would like to be prompted for a directory whenever you install through the Application Manager, clear the check box next to "Install using the default application install directory."

Q. How can I set up Calendar, Contacts, Tasks, or Inbox to utilize the PCMCIA or CompactFlash RAM card?

A. This is not possible.

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