Dell PowerVault 220S (SCSI) - Manual (Page 31)

Removing and Replacing Parts : Dell PowerVault 220S and 221S Systems Service Manual
file:///C|/Users/rishi_sood/Desktop/220s/en/sm/remove.htm[3/7/2013 12:09:15 PM]
9. Facing the rear of the system, grasp the connectors in the middle of the SCSI backplane and pull straight back approximately 1 inch so that the backplane alignment holes clear
the alignment pins at the lower left and top right corners (see Figure 22 ).
Lay the backplane flat as you pull it from the chassis. Set the backplane aside.
Figure 22. Removing the SCSI Backplane
1 backplane alignment holes
2 alignment pins
3 SCSI backplane
4 SCSI backplane connectors
10. To install the new backplane, position the replacement backplane so that the 14 SCSI connectors are facing the front of the system and the two power supply and cooling module
connectors are facing the back.
11. Lay the backplane flat as you slide it into the chassis. Slide the backplane all the way into the chassis until the two alignment holes at the lower left and top right corners are
seated firmly on the two alignment pins.
12. Replace chassis tray, making sure that the tray is seated on the alignment pins that secure the backplane.
13. Replace the screws you removed in step 7.
14. Replace the split-bus module. See " Removing and Installing the Split-Bus Module ."
15. Replace the EMM(s) and/or SCSI terminator card. See " Removing and Installing EMMs and the SCSI Terminator Card ."
16. Replace the power supply and cooling modules. If you have two power supplies, replace both (see " Replacing the Power Supply "). If you have one power supply, replace the power
supply blank as well as the power supply.
17. Replace the hard drives. See " Removing and Installing Hard Drives ."
18. Reconnect the SCSI cable(s) and power cables.
19. Turn on power to the storage system. (If you have two power supplies, turn on both).
20. Turn on power to the host system.
21. Use your array management software to restore temperature defaults and service tag data. For more information, see your array management documentation.