Casio Cassiopeia was the brand name of a PDA manufactured by Casio. It used Windows CE (later versions running Windows PocketPC/Windows Mobile) as the Operating system. Casio was one of the first manufacturers of PDAs, developing at the beginning small pocket-sized computers with keyboards and grayscale displays and subsequently moving to smaller units in response to customer demand.
It was quickly discovered that most consumers wanted smaller devices, so the Palm-size PCs were developed. Japanese models of these units differ in both model number as well as appearance. The E-5x and/or E-5xx models are Japanese versions, colored blue instead of silver. The following versions were developed; A21-S for Student, A22-T for Teachers, A-23G for German with AZERTY keyboard,[3] A-20F for French.[4]
The Cassiopeia E-15 was the last model of Palm-size PC introduced by Casio that used a grayscale display. It appeared at the same time as the E-105, and functioned identically to that device, except for the screen.
Battery: Li-Ion rechargeable, up to 6 hours of running time; CR2032 for memory protection
Input: Touch Screen, Microphone, 3 user-configurable buttons, a control pad.
Extras: Speaker and Stereo 3.5 mm headphone jack
Casio always advertised the fact that their devices could be updated. Casio decided it would not issue an update for the E-100 and E-105, and a lot of owners of the devices complained. Because of the complaints, Casio offered to update the devices to the newest version of the Operating system if the owners sent in the device and paid a fee. Since the operating system was stored in ROM and not flash memory, the only way to upgrade was by replacing the ROM.
Battery: Li-Ion rechargeable, up to 6 hours of running time; CR2032 for memory protection
Input: Touch Screen, Microphone, 3 user-configurable buttons, a control pad.
Extras: Speaker and Stereo 3.5 mm headphone jack
After using the MIPS processor in the E-15 and the E-1xx series devices, the E-200 switched over to the StrongARMCPU, in keeping with Microsoft's specifications.
After experiencing difficulties in the market following the release of the E-200, Casio decided not to produce any further units for the US and European markets, instead focusing on the Japanese market. Some Japanese-only models are the Cassiopeia E-3000, using the PocketPC 2002 operating system, and the DT-10 with Windows Mobile 2003.
Other Models
C120/C140/C120+ are Compaq-branded equivalents to the Cassiopeia A-10/A-11/A-10+.[8]
E-707 Japanese model with wireless/phone antenna and both SD and CF card slots.
E-5xx Japanese versions of the E-1xx models.
EM-500 USA model, slightly smaller than the USA E-1xx with 16MB RAM and came in multiple colors.
E-700 Japanese version of the EM-500, but with 32MB RAM and came in many additional colors like white, carbon, silver.
E-750 Japanese successor to the E-1xx series with 32MB RAM and a 200 MHz MIPS CPU.
E-3000/3100 Later Japanese model with 400 MHz XSCALE CPU and CF + SD card slots. 3000/3100 ran PPC/CE.NET respectively.
SX-45 designed in cooperation with Siemens, this is a Cellphone integrated with an E-125.
BE-300 Pocket Manager (not a Pocket PC) running on Windows CE 3.0 with a Casio-designed user interface. Released in 2001.
PA-2400W (SH3 80 MHz, 8 MB RAM, 16 MB ROM, 480 x 240 4-level grayscale touchscreen, Windows CE 2.11)
IT-10 M20 from 2005 Rugged (IP54 Rated) Windows Mobile 2003/2 416 MHz Intel PXA270 (800 MIPS at 624 MHz) 64MB RAM, 64MB ROM 3.7" VGA Transflective (640 x 480 TFT, 65536 colours) screen with 2,300 mAh Lithium Ion battery (up to 27 hours use) & CompactFlash and SDIO slots [9]
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