Dell PowerEdge 1850 Replacement Procedure
Contents
1. applicable remove the bezel 2 Turn off the system and attached peripherals and disconnect the system from the electrical outlet and peripherals 3 Remove the system from the rack and place it on a work surface 4 Remove the system cover 5 Remove the SCSI backplane board See Removing the SCSI Backplane Board 6 Remove the fans a Disconnect the fans power cables from the system board b While pressing the two release tabs on either side of the fan lift the fan module straight up out of the fan bracket See Figure 1 2 c Repeat steps a and b until all the fans are removed Figure 1 2 Removing or Installing a Fan Module fan module fan power cable d P fits lt lt fan power connector fan bracket release tabs 7 To remove the fan bracket squeeze the two tabs together then slide the bracket towards the front of the system and lift it out See Figure 1 3 Figure 1 3 Removing the Fan Bracket retention tabs 2 fan bracket 8 To remove the control panel and control panel tray lift up on the latch at the back of the control panel tray then slide the tray towards the back of the system See Figure 1 4 Figure 1 4 Removing the Control Panel control panel assembly Installing the Control Panel Assembly 1 Slide the new control panel assembly into the system K NOTE The left and right edges of the control tray fit underneath guides on the floor of the chassis 2 Reinstall the fa2. on the chassis brace next to the back edge of the backplane Press firmly on the seven plastic rivets to secure the backplane Connect the control panel cable to the control panel connector on the SCSI backplane See Figure 1 1 If applicable connect the diskette drive cable to the diskette drive connector on the SCSI backplane See Figure 1 1 If applicable connect the optical drive data cable to the optical drive connector on the SCSI backplane See Figure 1 1 Reconnect the SCSI data cable to the riser card or RAID controller card If you removed the riser card or riser card insulator reinstall them now See Installing the Riser Card in the Installation and Troubleshooting Guide When installing the riser card guide the SCSI cable between the edge of the riser card and the edge of the chassis to avoid interfering with the cover Reinstall the SCSI hard drives in their original locations 12 Reinstall the cover 13 If applicable reattach the bezel Control Panel Assembly Removing the Control Panel Assembly A CAUTI ON Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product 1 If
3. Dell PowerEdge 1850 Systems Service Only Parts Replacement Procedures Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem CAUTION A CAUTION indicates a potential for property damage personal injury or death Abbreviations and Acronyms For a complete list of abbreviations and acronyms see your Installation and Troubleshooting Guide Information in this document is subject to change without notice 2004 2009 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and PowerEdge are trademarks of Dell Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own June 2009 Dell PowerEdge 2850 Systems Service Only Parts Replacement Procedures Before You Begin Recommended Tools Control Panel Assembly Expansion Card Riser Board SCSI Backplane Board Back Fan Tray System Board General SCSI Cable Routing Guidelines Notes Notices and Cautions K NOTE A NOTE indicates important information that helps you
4. am Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product If applicable remove the bezel Turn off the system and attached peripherals and disconnect the system from the electrical outlet and peripherals Remove the system from the rack and place it on a work surface Remove the system cover If the SCSI data cable is connected to the SCSI controller on the riser card lift the two plastic rivets that secure the riser card insulator then remove the riser card insulator See Removing the Riser Card in the Installation and Troubleshooting Guide Disconnect the SCSI data cable from the connector on the riser card or RAID controller card If the cable is connected to a SCSI controller in expansion slot PCI1 the expansion slot farthest from the power supply bay remove the riser card to allow removal of the SCSI cable See Removing the Riser Card in the Installation and Troubleshooting Guide Figure 1 1 Removing or Installing the SCSI Backplane Board plastic rivets 7 s optical drive data cable connector 10 11 12 SCSI backplane board riser card handle W insulator i N control panel cable connector diskette drive data cable connector If applicable disconnect the diskette drive cable from the diskette drive connector on the SCSI backplane See Figure 1 1 If applicable
5. d Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and PowerEdge are trademarks of Dell Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own June 2009 Back to Contents Page
6. disconnect the optical drive data cable from the optical drive connector on the SCSI backplane See Figure 1 1 Disconnect the control panel cable from its connector on the SCSI backplane See Figure 1 1 NOTICE Before removing the backplane you must remove the SCSI drives from the system to avoid damage to the drives or backplane NOTICE Temporarily label each drive before removing them so you can replace them in the same locations Remove the SCSI drive s from the system Remove the SCSI backplane a Lift up on the seven blue plastic rivets securing the backplane See Figure 1 1 b To disconnect the SCSI backplane from the system board grasp the metal handle on the end of the backplane and slowly lift the backplane straight up from the system board See Figure 1 1 Disconnect the SCSI data cable from the underside of the backplane Installing a SCSI Backplane Board l 10 11 Connect the SCSI data cable to the new backplane Lift up on each of the seven plastic rivets on the new backplane to loosen them prior to installing the backplane Align the backplane with the backplane interface connector on the system board While holding the SCSI data cable between the edge of the chassis and the end of the backplane press down on the end of the backplane with the handle until the backplane connector is fully seated NOTE When the backplane is fully seated the top edge of the backplane circuit board will be below the arrows
7. e bracket towards the front of the system See Fiqure 1 3 You do not need to remove the fans or the fan bracket from the system Remove the expansion cards and riser card See Expansion Cards and Riser Card in the Installation and Troubleshooting Guide Remove the memory modules See System Memory in the Installation and Troubleshooting Guide If applicable remove the RAC card See Installing a RAC Card in the Installation and Troubleshooting Guide Remove the power supply s See Power Supplies in the Installation and Troubleshooting Guide Remove the processor s See Processor in the Installation and Troubleshooting Guide To remove the system board a Lift up the blue retention pin and slide the system board towards the front of the system to disengage the board from the retention tabs on the chassis See Figure 1 5 b Raise the back edge of the board slightly to clear the chassis then lift the system board out of the system Figure 1 5 Removing the System Board retention pin system board I nstalling the System Board CAUTI ON Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came wit
8. h the product 1 Unpack the new system board 2 Carefully lower the system board into the chassis until the tabs on the chassis fit through the corresponding slots in the system board 3 Slide the system board towards the back of the chassis until the retention pin engages 4 Slide the fan bracket towards the back of the system until the retention tabs snap into place 5 Replace the memory modules 6 Replace the processor s 7 If applicable replace the RAC card 8 Replace the power supply s 9 Replace the riser card expansion cards and riser and insulator 10 Reconnect the fan power cables 11 Replace the SCSI backplane board See Installing a SCSI Backplane Board 12 Reinstall the SCSI hard drives 13 Reinstall the cover 14 If applicable reattach the bezel Back to Contents Page Back to Contents Page Dell PowerEdge 1850 Systems Service Only Parts Replacement Procedures K NOTE A NOTE indicates important information that helps you make better use of your computer NOTI CE A NOTI CE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem CAUTION A CAUTION indicates a potential for property damage personal injury or death For a complete list of abbreviations and acronyms see your Installation and Troubleshooting Guide Information in this document is subject to change without notice 2004 2009 Dell Inc All rights reserve
9. make better use of your computer NOTI CE A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem CAUTION A CAUTION indicates a potential for property damage personal injury or death Abbreviations and Acronyms For a complete list of abbreviations and acronyms see the Glossary in the User s Guide Information in this document is subject to change without notice 2004 Dell Inc All rights reserved Reproduction in any manner whatsoever without the written permission of Dell Inc is strictly forbidden Trademarks used in this text Dell the DELL logo and PowerEdge are trademarks of Dell Inc Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products Dell Inc disclaims any proprietary interest in trademarks and trade names other than its own July 2004 Back to Contents Page Dell PowerEdge 1850 Systems Service Only Parts Replacement Procedures Before You Begin Recommended Tools SCSI Backplane Board Control Panel Assembly System Board Before You Begin LAN CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not co
10. n bracket 3 Reinstall the fans 4 With the fan power cable facing towards the back of the system route the fan power cable through the opening in the fan bracket and insert the fan module into the fan bracket Ensure that each fan power cable is routed through the opening in the fan bracket See Figure 1 2 5 Reinstall the SCSI backplane board See Installing a SCSI Backplane Board 6 Reinstall the SCSI hard drives 7 Reinstall the cover 8 If applicable reattach the bezel System Board Removing the System Board A CAUTI ON Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as 10 11 12 13 authorized in your product documentation or as directed by the online or telephone service and support team Damage due to servicing that is not authorized by Dell is not covered by your warranty Read and follow the safety instructions that came with the product If applicable remove the bezel Turn off the system and attached peripherals and disconnect the system from the electrical outlet and peripherals Remove the system from the rack and place it on a work surface Remove the system cover Remove the SCSI backplane board See Removing the SCSI Backplane Board Disconnect the fan power cables from the system board See Fans in the Installation and Troubleshooting Guide Squeeze the two tabs on the fan bracket together then slide th
11. vered by your warranty Read and follow the safety instructions that came with the product FaN CAUTI ON See your Product I nformation Guide for complete information about safety precautions working inside the computer and protecting against electrostatic discharge The procedures in this document require that you remove the cover and work inside the system While working inside the system do not attempt to service the system except as explained in this document and in the Installation and Troubleshooting Guide and the User s Guide available on support dell com Always follow the instructions closely and ensure that you review all safety precautions in your Product Information Guide The Installation and Troubleshooting Guide contains information on system indicators messages and codes system diagnostics troubleshooting parts removal and replacement procedures and jumpers switches and connectors The User s Guide contains information on the System Setup program Recommended Tools You may need the following items to perform the procedures in this section Key to the system keylock 2 Phillips screwdriver Wrist grounding strap SCSI Backplane Board Removing the SCSI Backplane Board LA CAUTION Many repairs may only be done by a certified service technician You should only perform troubleshooting and simple repairs as authorized in your product documentation or as directed by the online or telephone service and support te
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