HP Apollo 4200 Gen9 User Manual page 119

To install a low-profile, standup expansion board on the system board, do the following:
5.
If the expansion board option ships with a full-height bracket, remove that bracket and attach a
a.
low-profile one. For more information, see the documentation that ships with the option.
Remove the onboard PCI expansion slot cover.
b.
Verify that any switches or jumpers on the expansion board are set properly. For more
c.
information, see the documentation that ships with the option.
Install the expansion board. Verify that the board is firmly seated in the slot.
d.
To install a full-height, half-length PCIe x8 expansion board, the two-slot PCI riser cage option is
6.
required ("Installing two-bay SFF hot-plug rear drive cage and two-slot PCI riser cage
page 62). To install an expansion board in this riser cage, do the following:
Remove the PCI riser cage (on page 34).
a.
options" on
Hardware options installation 119