IBM 4910-33D Installation Guide - Page 39

Removing and installing the system board

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March 2009 Removing and installing the system board 3 1 2 Figure 21. Removing 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 cable 1 and power supply cable 2 . 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 screws 3 on the system board. See Figure 21. Chapter 3. Removal and installation procedures for the 4810/4910 SurePOS 300 25

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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 cable
±1²
and power supply cable
±2²
.
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 screws
±3²
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