HP DL785 HP ProLiant DL785 G5 and G6 Servers - Maintenance and Service Guide, - Page 38
DVD, CD drive or blank, Power supply blank, Power supply, WARNING, CAUTION, IMPORTANT
UPC - 883585262809
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To replace the component, reverse the removal procedure. DVD, CD drive or blank To remove a DVD, CD drive or blank: 1. Power down the server ("Power down the server" (page 25)). 2. Extend or remove the server from the rack ("Extending the server from the rack" (page 25) or "Removing the server from the rack" (page 26)). 3. Remove the access panel ("Removing the access panel" (page 27)). 4. Remove the media module ("Media module (SID assembly)" (page 28)). 5. Lift the DVD release tab on the left side of the media module and push the drive out from the rear. To replace the component, reverse the removal procedure. Power supply blank To remove a power supply blank, squeeze the thumb lever and pull the power supply blank out of the server. To replace the component, reverse the removal procedure. Power supply The server supports three or six hot-plug power supplies. Six are required to provide 3+3 redundant power to the system in the event of a failure in a primary power supply. You can install or replace a redundant hot-plug power supply without powering down the server. WARNING! To reduce the risk of electric shock, do not disassemble the power supply or attempt to repair it. Replace it only with the specified replacement part. CAUTION: If only three power supply are installed, do not remove a power supply unless the server has been powered down. Removing a primary operational power supply causes an immediate power loss to the server. CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all bays are populated with either a component or a blank. IMPORTANT: For maximum server availability, be sure that the primary and redundant power supplies are powered by separate ac power sources. See "Power supply LED" (page 70) for information on the current status of the power supply. To remove a power supply: 1. Disconnect the power cord from the power supply. 2. Press the thumb lever. 38 Removal and replacement procedures