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Upgrading Your System Board and Riser Board 9
Installing the New System Board and Riser Board
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
Replace the front-fan tray:
a
Place the front-fan tray over the three securing posts.
b
Slide the front-fan tray to the left until it locks into position.
5
Replace the front fans.
6
Raise the drive-bay retraction bar and rotate it toward the back of the chassis until it is
completely flush with the top of the drive cage. See Figure 1-3.
7
Replace the memory modules.
8
Replace the memory module cover.
9
Replace the processor(s).
10
If applicable, replace the RAC card.
11
If applicable, replace the RAID key.
12
Replace the back-fan tray and the back fans.
13
Replace the power supply(s).
14
Replace the riser board in the expansion-card cage with the new riser board. See "Upgrading
the Dell PowerEdge 2850 Expansion-Card Riser Board."
15
Reinstall the expansion-card-cage. See "Replacing the Expansion-Card Cage" in "Installing
System Options" in your
Installation and Troubleshooting Guide
.
16
If applicable, reconnect the RAID battery cable to the riser board. See Figure 1-4.
17
Reinstall the cover.
18
If applicable, reattach the bezel.
Upgrading the Dell PowerEdge 2850 Expansion-Card Riser Board
1
If applicable, remove the RAID memory module from the expansion-card riser board.
2
Press both release tabs on the expansion-card guide and swing open the guide. See Figure 1-4.
D8781bk0.book Page 9 Wednesday, October 6, 2004 3:43 PM