The Cassiopeia BE-300 Pocket Manager was a personal digital assistant manufactured by Casio Computer Co. Ltd and first released June 25, 2001. In Japan, it was also marketed as BE-500. The Cassiopeia BE-300 used a cut-down version of Windows CE 3.0 that was not fully compatible with Windows CE applications. It featured a 32 thousand colors 320×240 touch-screen LCD, a 166 MHz MIPS CPU, and 16 MB of RAM. It was also equipped with a CompactFlash slot, allowing for the expansion of internal memory with external flash memory cards as well as the use of peripheral CF-compatible devices such as wireless and network adapters.^[1] Enthusiast reviews of the device were mixed with some excited about the hacking possibilities and the low price^[2] and others were dismissive of the device.^[3] In the general press it received modestly positive reviews.^[4][5]

Casio BE-300

Manufacturer	Casio Computer Co. Ltd
Release date	June 25, 2001 (2001-06-25)
Operating system	Windows CE
CPU	166 MHz MIPS CPU
Memory	16 MB of RAM.
Removable storage	Compact Flash
Display	320×240 touch-screen LCD
Input	Resistive Touchscreen
Mass	167 g
Website	Official website

The BE-300 was reasonably hackable and a community grew up dedicated to modifying it.^{[citation needed][6]}