The CV1000-D is a direct upgrade of the Cave CV1000B board, the main differences seem to be:
Chip U1 : IS42S32400D 128Mb SDRAM @ 166mhz (standard SH3 has MT48LC2M32 64Mb SDRAM)
Chip U4 : 32Mbit Spansion S29JL032H (standard SH3 has a 16Mbit Spansion S29AL016D.
No Lithium Battery

