HP 2240 Owner's Manual page 172

B-54
Follow these steps to install a PCI, EISA or graphics board into your
workstation:
1.
Working from the rear of the workstation, unscrew the four cap-
tive screws and pull the PCI/EISA Assembly straight out using
the handle. See Figure B–34.
Figure B–34.Removing the PCI/EISA Assembly