VIARAMA U8598/U8798 the board can be inserted DDR1 or DDR2 memory card?

1 on behalf of the memory card or on behalf of 2 memory card, or DDR400 you can?

Can be compatible with any DDR400 memory

memory bus type of property
bus DDR SDRAM
bus width of 64-bit true
Clock 166 MHz (DDR)
effective clock 332 MHz
bandwidth 2655 MB / sec