8–26 319865-008 Service Reference Guide, d300, dx6050
Removal and Replacement Procedures— Desktop (DT) Chassis
8.13 System Board
1. Prepare the computer for disassembly (Section 8.1, “Preparation for Disassembly”).
2. Remove the computer cover (Section 8.5, “Computer Cover”).
3. Remove all PCI expansion boards (Section 8.9, “Expansion Cards”).
4. Remove the AGP graphics card (Section 8.9, “Expansion Cards”).
5. Disconnect all cables connected to the system board, noting their location for reinstallation.
6. Compress the system board tray handle 1 to release the latch and slide the system board tray
towards the front of the computer 2 to free it from the back of the chassis.
To install the system board, slide the tray assembly into the chassis and press down on the two
places shown in the drawing 1 while sliding the tray into its locked position 2.
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