# Insert the Adapter in the Computer

| NOTE: If you are replacing an existing adapter with this adapter, see the section on Removing an Existing Adapter.

1. If your computer supports PCI Hot Plug, see your computer documentation for special installation instructions.

2. Shut down the operating system (if it's running).

3. Turn off and unplug your computer. Then remove the cover.

| WARNING: Turn off and unplug the power before removing the computer's cover. Failure to do so could endanger you and may damage the adapter or computer.

4. Remove the cover bracket from a 32-bit or 64-bit PCI (2.2 or later) bus master slot. If you have configuration problems, see your computer's documentation to determine if the PCI slots are bus master-enabled.

| PCI slots are either 32- or 64-bits, and operate at either 33 or 66 MHz. You should choose a slot that matches the adapter connector. PCI bus theoretical speed designations are shown below:
|  | 33 MHz | 66 MHz
| 32-bit | "1x" | "2x"
| 64-bit | "2x" | "4x"

5. All Intel PRO/1000 server adapters and some PRO/100 adapters utilize a 64-bit PCI 2.2 connector. Therefore you should install this in a 64-bit slot for best performance. If you install it in a 32-bit PCI slot, the end of the edge connector will be exposed and not connected. If this is the case, make sure the exposed contacts do not touch anything that would cause an electrical problem.

6. Push the adapter into the slot until the adapter is firmly seated. Then secure the adapter bracket with a screw, if required.

7. Repeat steps 4 and 5 for each additional adapter to be installed.

8. Replace the computer cover and plug in the power cord.

9. Turn the power on and start your operating system.
   If you get a PCI configuration error, see PCI Configuration Troubleshooting.

Go on to the next step: Attach Cable.

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