IBM 8685 Hardware Maintenance Manual - Page 119
Updating your server configuration, Connecting external options
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Updating your server configuration When you start your server for the first time after you add or remove an internal option or an external SCSI device, you might see a message telling you that the configuration has changed. The Configuration/Setup Utility program automatically saves the new configuration information (see "Starting the Configuration/Setup Utility program" on page 11). Some options have device drivers that you need to install. See the documentation that comes with your option for information about installing any required device drivers. Your server comes with at least one microprocessor installed on the system board. If you have installed one or more additional microprocessors, your server can now operate as an SMP server. Therefore, you might need to upgrade your operating system to support SMP. See "Installing an additional microprocessor" on page 89 and your operating-system documentation for additional information. If your server has a RAID adapter installed and you have installed or removed a hard disk drive, see the documentation that comes with your RAID adapter for information about reconfiguring your disk arrays. Connecting external options If you attach an external SCSI cable to the external SCSI connector (J14) on the system board, you can attach additional external options to the rear of your server. You can also use a SCSI storage expansion enclosure to attach additional external devices to your server. For a list of supported options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. If you plan to attach external SCSI devices, you must order additional SCSI cables. To select and order the correct cables for use with external devices, contact your IBM reseller or IBM marketing representative. Complete the following steps to attach an external device: 1. Review the information in "Before you begin" on page 41, "Handling static-sensitive devices" on page 42, and "Safety information" on page 169, and read the documentation that comes with your options. 2. Turn off the server and all attached devices; then, disconnect all power cords and external cables. Attention: To ensure proper system cooling, do not leave the top cover off the server for more than 30 minutes. 3. Remove the server cover (see "Removing the top cover and bezel" on page 51). 4. Remove the knockout on the rear of the server. 5. Follow the instructions that come with the option to prepare it for installation and to connect it to the server. 6. Route one end of the optional external SCSI cable to the external SCSI A connector (J14) on the system board. Attach the other end of the cable to the knockout device connector. 7. Reinstall the server cover (see "Installing the top cover and bezel" on page 107). 8. Reconnect all the devices, cables and power cords that you disconnected; then, turn on the server and all attached devices. Chapter 4. Customer replaceable units 109