Hello, I have a new ASRock 4CoreDual-SATA2 R2.0 LGA 775 VIA PT880 Pro/PT880 Ultra ATX Intel Motherboard. Can someone please tell me if I can use both types (DDR 400/DDR2 667) of memory at the same time? Thanks!
No. You'll damage the motherboard and that should clearly be stated in your manual.