Dell Dimension 9200 Service Manual page 64

Documentation
1 card retention door 2 release tabs (2)
4 filler bracket 5 alignment guide
2. If present on your computer, rotate the lever on the chassis wall upward.
3. Push the two release tabs on the card retention door from the inside to pivot the door open; the hinged door will remain
in the open position.
http://support.dell.com/support/edocs/systems/dim9200/en/SM_EN/parts.htm (17 of 68) [12/9/2007 11:22:24 PM]
3 lever on chassis wall (may not be present on all
computers)
6 alignment bar