: Includes one PCI Express 2.0 x16 slot for dedicated graphics cards [1].
Integrated VGA port, USB 2.0 ports, RJ45 LAN, and High Definition Audio ports. 2. Hardware Installation & Safety samsung h61s1 manual
Ensure the 24-pin and 4-pin CPU power cables are seated. If the CMOS battery (CR2032) is over 5 years old, replace it to fix BIOS reset issues. : Includes one PCI Express 2