Manual | Samsung H61s1
Align the notch on the bottom of the RAM stick with the break in the slot.
To set up your motherboard:
Intel Core i3, i5, and i7 processors (both 2nd and 3rd Generation). samsung h61s1 manual
1 x PCI Express 3.0/2.0 x16 slot for dedicated graphics cards.
Reseat the video cable on both the device and the PC graphics card. Align the notch on the bottom of the
1 x PCIe x16 slot, 1 or 2 x PCIe x1 slots (depending on the exact revision). Storage Interfaces: 4 x SATA II (3.0 Gb/s) ports.
Apply a pea-sized drop of thermal paste to the center of the CPU (if your cooler does not have pre-applied paste). Reseat the video cable on both the device
Remove both RAM modules, clear out any dust from the slots, and test them one at a time in the primary slot.