Half-Length I/O Book - IBM System x3850 X6 Installation And Service Manual

Half-length I/O book

Use this information for an overview of the half-length I/O book.
The half-length I/O book installs in the rear of the server. The server provides the
ability to concurrently hot-add or hot-remove PCIe adapters in this I/O book.
Note: The ability to hot-plug the half-length I/O book is dependent on the
operating system. If the operating system does not support PCIe hot-plug, the
addition or removal of a half-length I/O book might cause an unrecoverable
system error.
The half-length I/O book provides three PCIe Gen3 slots for half-length adapters.
The I/O book provides the following slots:
v Three PCIe Gen3 slots
– Two x8 slots
– One x16 slot
The following illustration shows the PCIe slots on the half-length I/O book board.
Board power button Half-length I/O book board
The following illustration shows the connectors, LEDs, and controls on the
half-length I/O book.
Half-length I/O book
Slot power I/O board
LEDs error LED
v Slot error LEDs: The states of the slot error LEDs are as follows:
Off: The slot or adapter is in normal operation.
Chapter 1. The IBM System x3850 X6 and x3950 X6 Types 3837 and 3839 server
x16 PCIe Gen3 slot
x8 PCIe Gen3 slots
Slot error
LEDs
Power
button
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