NEC 140He User Manual page 285

Hot-plug PCI Board
On the PCI board slots #5 through #9, you can replace or add a hot-plug PCI board while the server is operating.
Only N8104-86 100BASE-TX Adapter, N8104-111 100BASE-TX Adapter and N8104-103 1000BASE-T Adapter
support the Hot-plug PCI function.
The PCI hot-plug function includes the following functions:
Hot Add
Use Hot Add to install a Hot Plug PCI board while the server is operating.
Hot Remove
Use Hot Remove to remove a Hot Plug PCI board while the server is operating.
Hot Replace
Use Hot Replace to replace a Hot Plug PCI board while the server is operating.
IMPORTANT:
Before removing a PCI board, be sure to stop the driver of the slot (containing the PCI board)
from the operating system (Windows Server 2003/Windows 2000). Failure to do so may cause
the system to fail.
For Windows Server 2003/Windows 2000 server, do not use a function in inactive state after
executing the PCI Hot-plug function. The system fails to return to the original state when a
function in inactive state is restarted.
Use the BIOS Setup utility to set the following before executing the PCI Hot Plug function:
Select [Advanced] → [PCI Configuration] → [Hot-plug PCI Control] → [Reserving memory
space for PHP] → Select memory space for installed board*
*1 The memory capacity appears to be less than the actually installed memory capacity.
To execute the PCI Hot-plug function, be sure to log in the system as Administrator.
The board available for the hot add varies depending on the clock rate previously set by PCI
slots #6 and #7 or #8 and #9. If a PCI board operating at a different clock rate is subject to the
hot addition, the PCI slot fault lamp goes on and the hot plug cannot be performed correctly.
However, restarting the system allows BIOS to ignore the setting value and automatically
operate the system with the optimum setting.
Requirements for Hot Add
No boards installed in the same bus
Verify the available slot according to "List of Optional Devices and their Available Slots", and then hot-add
the PCI card.
PCI boards installed on the same bus
Provide Hot Add for PCI boards operating at the same clock.
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