Removing and installing the system board
To remove the system board:
1. Open the unit. See “Removing and installing the top cover” on page 12.
2. Remove the hard drive assembly. See “Removing and installing the hard disk
drive and hard disk tray as an assembly” on page 15.
3. Remove the riser card assembly. See “Removing and installing the riser card
and the I/O connector card as an assembly” on page 20.
4. Disconnect the front-panel card cable1 and power supply cable2.
5. Remove the memory. See “Removing and installing the memory module” on
page 17.
6. Remove the flash drive, if installed. See “Removing and installing the flash
drive” on page 16.
7. Remove the four system-board retaining screws3 on the system board. See
Figure 21.
3
2
1
Figure 21. Removing the system board
March 2009
Chapter 3. Removal and installation procedures for the 4810/4910 SurePOS 300 25