Expansion slots: CompactFlash Type I and II
 

Cassiopeia E-15

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.

Operating system: Microsoft Windows CE 2.11 Palm-size PC edition
Size: 127 mm x 80 mm x 15.2 mm :: 190 g
CPU: NEC VR4111 MIPS at 69 MHz
Memory: RAM 16 MB and ROM 16 MB