IBM B50 - Manual (Page 126)

Removing the Riser Card Support Bracket
Note: If you need to remove an adapter card, do so before you remove the riser
card support bracket. See “Removing Adapters” on page 4-26.
1. Remove the cover as described in “Removing the Cover” on page 4-4.
2. Remove the screw that attaches the bracket to the riser card.
3. Remove the other screw that attaches the bracket to the divider in front of the
power supply.
4. Slide the bracket forward and lift up.
4-34 7046 Model B50 User's Guide