NEC Express5800/120Rh-2 N8100-1126F - Manual (Page 308)

9-34 Upgrading Your Server
6. Remove the extension slot cover.
NOTE: Keep the removed extension slot cover for future use.
7.
Before installing a PCI board of the full-height/full-length type, remove the retainer from
the PCI board, and then unlock and open the card retainer clip on the other side of the
guide rail.
Retainer
Low-profile type Full-height type