Lenovo 6241, Installation And Service Manual

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the rear of the server. For more information about the supported I/O books, see “Installing the half-length I/O
book” on page 79 and “Installing the full-length I/O book” on page 80.
To confirm that the server supports the I/O book that you are installing, see http://www.lenovo.com/
serverproven/ .
For more information about the supported adapters, see “Supported RAID adapters” on page 86 for more
information about the supported RAID adapters. For more information about the supported Ethernet
adapters, see “Supported ML2 (Ethernet) adapters” on page 88. For more information about the supported
RAID cache cards, see Table 23 “Supported RAID cache cards and where you can install the cache cards.”
on page 87. For more information about the supported Features on Demand (FoD) software, see Table 25
“Supported Features on Demand software and information about the Features on Demand software” on
page 90.
Installing the half-length I/O book
This information provides notes and other information that you need to consider when you install the half-
length I/O book and the instructions for installing the I/O book in the server.
The following notes provide information that you must consider when you install the half-length I/O book.
• For additional information about the supported adapters, see “Installing an adapter in the standard or half-
length I/O book” on page 90, “Supported ML2 (Ethernet) adapters” on page 88, “Supported RAID
adapters” on page 86, “Supported RAID cache cards” on page 87, and “Supported host bus adapters” on
page 85.
• The half-length I/O book is hot-swappable if no adapters are installed in the I/O book. However, if
adapters are installed in the I/O book, you must first press the Power button on the I/O book and power-
off all three PCIe slots before you remove the I/O book from the server. The slots LED lights will be off
when the slots are off-line.
• You can remove and install PCIe adapters in this I/O book without powering off the server.
• This I/O book supports Gen3 half-length adapters, which are either full-height or low profile.
• When this I/O book is installed in the server, it connects to compute book 3 or compute book 4. See Table
19 “PCIe slot numbering and the associated compute book” on page 79 for more information.
• You can install up to two half-length I/O books in the server.
• You can also install one half-length I/O book and one full-length I/O book in the server.
• For additional about this I/O book, see “Half-length I/O book” on page 34.
The following table lists the I/O book PCIe slot numbering and the slots associated with each compute book
(when two I/O books are installed):
Table 19. PCIe slot numbering and the associated compute book
Two-column tables that shows the association between the PCIe slots and the compute books
PCIe slot number (facing the rear of the server) Compute book associated with the PCIe slot
1
Compute book 4
2 Compute book 4
3
Compute book 4
4 Compute book 3
Chapter 2
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Installing optional devices
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