NEC Server 140Rc-4 - Manual (Page 321)

Upgrading Your Server 9-35
Hot Remove
Take the following procedure to execute Hot Remove:
1. Take the following steps to stop the device driver used by the Hot-plug PCI board you
want to remove:
IMPORTANT: Before removing a PCI board, be sure to stop the
driver of the slot (containing the PCI board) from the operating system.
Failure to do so may cause the system to fail.
(1) Open [Add/Remove Hardware] in [Control Panel].
The [Add/Remove Hardware Wizard] starts.
(2) Click on [Next].
(3) Select [Uninstall/Unplug a device] for hardware task, then click on [Next].