Asus P3-PE5 - Manual (Page 27)

2-11 ASUS Pundit P3-PE5
3. Remove the metal cover opposite
the slot that you intend to use.
5. If you have already installed a hard
disk drive, replace the chassis
support bracket; otherwise,
install other components before
replacing the chassis support
bracket.
4. Align the card connector with
the slot and press firmly until
the card is completely seated
on the slot.
6. Replace the expansion card lock
to secure the card to the chassis.
2. Remove the chassis support
bracket.