DDR1 and DDR2

[sal289r]

can anyone give me some information ? i am using asrock motherboard pt880 4core, can i use2 ddr11memory cards 240 pin into two slots provide and at the same use 2 ddr2 memory cards 184 pins in to the slots provided, in other words i will be using 2 cards of 240 pins and 2 cards of 184 pins at the same time, or do i need to use either of the 2 cards at a time?

 

[kimsland]

http://www.asrock.com/MB/overview.asp?Model=4CoreDual-VSTA

2 x DDR2 DIMM slots
- Supports DDRII667/533 non-ECC, un-buffered memory

2 x DDR DIMM slots

DDRII and DDR are supported separately

ie Just use 2 DDR2 Dimm cards only

edit

DDRII and DDR2 are the same thing