Removing The System Board - IBM TotalStorage 200 Service Manual

Removing the system board

To remove the system board:
1. Power OFF the appliance.
2. Disconnect all external cables from the appliance.
3. Remove the cover. See "Removing the cover (Model 200)" on page 51.
4. Remove the rear air flow fan. See "Replacing the fan assembly" on page 78.
5. Remove the DASD backplane assembly. See "Removing the DASD backplane
6. Remove the power supply backplane. See "Removing the power supply
7. Disconnect the system board cables.
8. Remove the screws (9) 1 .
9. Gently pull out the system board 2 to remove it.
1
Screws (9)
2
System Board
assembly" on page 89.
backplane" on page 90.
Chapter 4. Adding and replacing components
91