Dell PowerEdge 1750 Service Manual download pdf (Page 32)

7. Remove the ROMB backup battery. See Figure4-14.  
 
a. Disconnect the ROMB backup battery from the backup battery connector (RAID BAT).  
 
b. While pressing the two standoff latches outward, pull the battery assembly up and out of the standoffs.  
 
8. If you removed the SCSI backplane board in step 6, reinstall it now. See "Installing the SCSI Backplane Board."  
 
9. Close the system covers. See "Closing the System Covers."  
 
10. Reconnectthesystemandperipheralstotheirpowersources,andturnthemon. 
 
11. Replace the optional front bezel, if applicable. See "Replacing the Bezel."  
 
Figure 4-14.ROMBCardandBackupBattery 
 
  
Installing a ROMB Card  
1. Remove the optional front bezel, if present. See "Removing the Bezel."  
 
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet.  
 
3. Open the system covers. See "Opening the System Covers."  
 
4. Locate the ROMB card connector on the system board. See Figure4-14.  
 
5. If a PCI card is installed over the ROMB card connector, remove it. See "Removing an Expansion Card."  
 
6. If you are replacing an existing ROMB card, remove the card. See "Removing a ROMB Card."  
 
7. Position the new ROMB card with the notch in its plastic cover facing the redundant power supply bay, and align the edges of the card with the four 
plastic standoffs on the system board.  
 
8. Press down on the three "bulls eyes" on the ROMB card cover until the four plastic standoffs latches snap over the edge of the card. See Figure4-14.  
 
9. If a RAC (ERA/O card) is installed on the system board, you must remove the SCSI backplane board to install the ROMB backup battery. If backplane 
board removal is necessary, see "Removing the SCSI Backplane Board."  
 
10. Install the ROMB backup battery:  
 
a. Position the battery board as shown in Figure4-14, and press it down into the two standoffs until the latches snap into place.  
 
b. Plug the battery cable into the RAID BAT connector on the system board.  
 
11. If you removed the SCSI backplane board in step 9, reinstall it now. See "Installing the SCSI Backplane Board."  
 
12. If you removed a PCI card in step5, replace it. See "Installing an Expansion Card."  
 
13. Close the system covers. See "Closing the System Covers."  
 
14. Reconnectthesystemandperipheralstotheirpowersources,andturnthemon. 
 
15. Enter the System Setup program and verify that the setting for the SCSI controller has changed to reflect the presence of the RAID hardware. See 
"Using the System Setup Program."  
 
16. Replace the optional front bezel, if applicable. See "Replacing the Bezel."  
 
17. Install the RAID software. See the ROMB card software documentation for more information.  
 
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Dell PowerEdge 1750 Service Manual Page 32

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