Nvidia NFORCE 680I - Manual (Page 22)

Installing the CPU Fan
There are many different fan types that can be used with this motherboard. Follow the
instructions that came with your fan assembly. Be sure that the fan orientation is correct
for your chassis type and your fan assembly.
Installing Memory DIMMs
Your new motherboard has four 1.8V 240-pin slots for DDR2 memory. These slots
support 256 MB, 512 MB and 1 GB DDR2 technologies for x8 and x16 devices. They
also support dual channel DDR2 memory technology up to 10.7GB/s. There must be at
least one memory bank populated to ensure normal operation. Use the following the
recommendations for installing memory.
• One DIMM: Install into slot 0. You can install the DIMM into any slot; however, slot 0
is preferred.
• Two DIMMs: Install into either slots 0 and 1 or 2 and 3. To take full advantage of dual-
channel memory, alternating slots should be populated. For example with two DIMMs,
slots 0 and 1 should be used.
• Four DIMMS: Install into slots 0, 1, 2, and 3.
Use the following procedure to install memory DIMMs into the slots on the motherboard.
Note that there is only one gap near the center of the DIMM slot. This slot matches the
slot on the memory DIMM to ensure the component is installed properly.
1. Unlock a DIMM slot by pressing the module clips outward.
2. Align the memory module to the DIMM slot, and insert the module vertically into the
DIMM slot. The plastic clips at both sides of the DIMM slot automatically lock the
DIMM into the connector.
13
Hardware Installation
CPU side
Card-edge side
DIMM Slot 0
DIMM Slot 2
DIMM Slot 1
DIMM Slot 3