IBM eServer 240 xSeries User Reference Manual page 66

Installing a hot-plug PCI adapter
Attention: All hot-plug operations must be done through the operating system
console (or supported user interface). Otherwise, the system might lock up or
serious damage to the adapter or system unit might occur.
This section contains the procedure for installing a hot-plug PCI adapter. If you
want to remove a hot-plug adapter, reverse the steps. If your operating system
supports hot-replace PCI adapters, you can replace a failing hot-plug PCI adapter
with a new adapter of the same type without turning off power to the server. If your
operating system and adapter also support the hot-add feature, you can install a
new adapter without turning off the power to the server.
Note: You do not need to turn off the server to install or remove a hot-plug PCI
Attention: Do not remove a hot-plug adapter before performing the
operating-system-defined procedure for disabling the hot-plug PCI slot that contains
the adapter. Failure to do so might cause your system to lock up. Refer to your
operating system documentation.
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IBM xSeries User's Reference
adapter.
Before you begin:
Read "Electrical safety" on page 42 and "Handling static-sensitive devices"
on page 44.
Read the documentation that comes with your adapter for any special
requirements or restrictions.
Read the documentation that comes with your operating system.