Windows7 Ultimate X64 mob: MSI 7309 chipset: Nvidia MPC 61 processor: Amd Athlon X64 dual core +5000 Brisbane ram: 4gig kinston 667 mhz graphics: ATI all-in-wonder PCI-E 3650 dual out Monitors: dvi to vga ACER 19" HDMI: wide screen Samsung 42" in bios HPET: on PCI bus master :on WD 330 gig IDE WD 80 gig Sata score 5.6