Dell PowerEdge R740xd2 EMC Installation and Service Manual - Page 55

Installing the internal PERC riser

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3. Using a Phillips #2 screwdriver, loosen the screws from the cable connector and disconnect the cable connected to the internal PERC card. Figure 28. Disconnecting the cable from internal PERC card Next steps Replace the internal PERC riser. Installing the internal PERC riser Prerequisites 1. Follow the safety guidelines listed in Safety instructions. 2. Power off the system and all attached peripherals. 3. Disconnect the system from the electrical outlet, and disconnect the peripherals. 4. Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system. 5. Open the drive bays, remove all drives, and then close the drive bays. 6. Remove the power supply units. 7. Remove the system from the rack and place it on an ESD work bench. For more information, see the Rail Installation Guide available at www.dell.com/poweredgemanuals. 8. Remove the system cover. 9. Remove the air shroud. 10. If installed, remove the rear drive cage. Steps 1. Connect the cable connector to the internal PERC card by aligning it to the guiding pins and replace the screws using a Phillips #2 screwdriver. Installing and removing system components 55

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3.
Using a Phillips #2 screwdriver, loosen the screws from the cable connector and disconnect the cable connected to the internal PERC
card.
Figure 28. Disconnecting the cable from internal PERC card
Next steps
Replace the internal PERC riser
.
Installing the internal PERC riser
Prerequisites
1.
Follow the safety guidelines listed in
Safety instructions
.
2.
Power off the system and all attached peripherals.
3.
Disconnect the system from the electrical outlet, and disconnect the peripherals.
4.
Ensure that all internal cables are routed correctly and connected, and no tools or extra parts are left inside the system.
5.
Open the drive bays
, remove
all drives
, and then
close the drive bays.
6.
Remove the
power supply units
.
7.
Remove the system from the rack and place it on an ESD work bench. For more information, see the
Rail Installation Guide
available at
www.dell.com/poweredgemanuals
.
8.
Remove the system cover
.
9.
Remove the air shroud
.
10.
If installed,
remove the rear drive cage
.
Steps
1.
Connect the cable connector to the internal PERC card by aligning it to the guiding pins and replace the screws using a Phillips #2
screwdriver.
Installing and removing system components
55