Specifications

5-16 Compaq AlphaServer ES40 Owner’s Guide
5.7 Non-Hot-Plug Components
CPUs, memory DIMMs, PCI cards, and removable media devices are not
hot-plug components. You must shut down the operating system, turn
off power to the system, and unplug the power cord from each supply
before installing these components.
WARNING: To prevent injury, unplug the power
cord from each power supply before installing
components.