Sun Microsystems Fire E6900 Systems Service Manual page 174

B.3 Filler Boards and Filler Panels
For a description of the functionality of filler boards and filler panels, see
"Filler Boards and Filler Panels" on page
follow when you hot-plug boards or devices, using filler boards and filler panels.
TABLE B-1
If you have
I/O assembly
Empty PCI card slots
Empty CompactPCI
slots
CPU/Memory board
System Controller
board
All other system
boards
All other system
boards
Empty power supply
slots
Fan trays
B-8 Sun Fire E6900/E4900 Systems Service Manual • May 2006
Overheating Precautions Using Filler Panels and Filler Boards
Do the following
Install a filler panel within one minute when removing the
assembly from a system, in order to prevent the system from
overheating.
Install PCI filler boards in all empty PCI card slots.
Install CompactPCI filler boards in all empty CompactPCI card
slots.
If the system is to be operating without the CPU/Memory board
installed, install a filler board or panel within one minute in order
to prevent the system from overheating,. If two CPU/ Memory
boards must be removed, use a CPU filler panel over one board slot
and a filler board in the second board slot to prevent the system
from overheating.
A filler board covers the empty slot for one of the System Controller
boards. If you install a redundant System Controller board, remove
the System Controller filler board.
Replace boards in order to prevent the system from overheating.
Install a filler board for EMI protection and for cooling purposes.
Install power supply filler boards in empty power supply slots in
order to prevent overheating.
Replace fan trays or install a filler panel, if removing the fan tray
from a system, to avoid overheating the system.
1-5. describes the rules you must
TABLE B-1
Section 1.4,