HP ProLiant ML570 G4 Server - Manual (Page 66)

Hardware options installation 66
Slot Expansion card type Capable speed
9 PCI Express x4
10 PCI Express x4
*HP recommends that cards with speeds of at least 100 MHz be installed in these slots. If cards with lower bus
speeds are installed, the bus speed will be reduced. However, server performance will not suffer if the speed on one
bus is slower than the speed on a different bus.
Removing an expansion slot cover
1. Power down the server (on page 23 ).
2. Do one of the following:
— Unlock and remove the bezel ("
Unlock and remove the tower bezel " on page 25 ).
— Extend the server from the rack (on page 23 ).
3. Remove the access panel (on page 27 ).
4. Remove the expansion slot cover.
CAUTION: To prevent improper cooling and thermal damage, do not operate the server unless all PCI slots
have either an expansion slot cover or an expansion board installed.
Installing expansion boards
CAUTION: To prevent damage to the server or expansion boards, do not remove or install expansion
boards before powering down the server and disconnecting all AC power cords.
1. Power down the server (on page 23 ).
2. Do one of the following:
— Unlock and remove the bezel ("
Unlock and remove the tower bezel " on page 25 ).
— Extend the server from the rack (on page 23 ).
3. Remove the access panel (on page 27 ).
4. Remove the expansion slot cover (" Removing an expansion slot cover " on page 66 ).