90 IBM System x3850 X6 and x3950 X6 Planning and Implementation Guide
The combined power consumption of all adapters installed in the Full-length I/O Book cannot
exceed 300W.
Figure 3-29 shows the Full-length I/O Book.
Figure 3-29 Full-length I/O Book
Figure 3-30 shows the Full-length I/O Book with Intel Xeon Phi coprocessor installed.
Figure 3-30 The Full-length I/O Book with Intel Xeon Phi card installed
The Half-length I/O Book installs flush with the Primary I/O Book at the rear of the server. The
Full-length I/O Book, when installed, adds a 99 mm (4 inches) mechanical extension to the
base length dimension of the chassis.
Note: The 2x3 connector is only intended to be used when one adapter is installed in the
first x16 slot (the up-most slot in Figure 3-29), either requiring 225W or 300W of power.
The location of the 2x3 connector prevents an adapter from being installed in the other x16
slot.
PCIe 3.0 x16 slot supporting
double-wide adapters requiring
up to 300W of power
PCIe 2.0 x8
slot (x4 wired)
2x4 aux power connector
for 150W additional power
PCIe 3.0 x16 slot; not available
if the 2x3 aux power connector
is used
2x3 aux power connector
for 75W additional power
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