Service Manual

8. To replace a PCI retention panel, position the tab on the end into its slot and install two screws to
secure it to the chassis back panel (see Figure 12
).
9. Replace the cover, and then reconnect the system and peripherals to their AC power sources and turn
them on.
Riser Board
To remove the expansion card riser board, perform the following steps.
CAUTION: See "Safety Instructions" before working inside your system.
NOTICE: See "Protecting Against Electrostatic Discharge."
1. Remove the system cover
if it is not already removed.
2. Grasp the riser firmly and lift it up and out of the chassis (see Figure 14).
3. Disconnect any cables connected to the expansion cards.
4. Remove the expansion cards installed on the riser board.
Figure 14. Riser Board Removal
Memory Modules
The system is upgradable to 1 GB by installing combinations of 128, 256, and 512 MB ECC
unbuffered SDRAM memory modules. You can purchase memory upgrade kits from Dell as needed.
CAUTION: See "Safety Instructions" before working inside your system.