# Insert the Adapter in the Computer

| NOTE: If you are replacing an existing adapter with a new adapter, see the section that applies to your operating system.

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. PCI-X slots are backward-compatible with PCI, 32- or 64-bits wide, and operate at 66, 100 or 133 MHz. You should choose the fastest available slot for best performance. PCI and PCI-X bus theoretical speed designations are shown below:
|  | 33 MHz | 66 MHz | 100 MHz | 133 MHz
| 32-bit | "1x" | "2x" | "3x" | "4x"
| 64-bit | "2x" | "4x" | "6x" | "8x"

5. Insert the adapter in an available PCI slot. If you are using the adapter in a server, insert it in a 64-bit PCI slot, if available. If you install the adapter in a 32-bit 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. Push the adapter into the slot until the adapter is firmly seated.

6. 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 or PCI-X configuration error, see PCI Configuration Troubleshooting.

Go on to the next step: Attach Cable.

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