IBM X3850 X6 - Page 102

86 IBM System x3850 X6 and x3950 X6 Planning and Implementation Guide
The Primary I/O Book also contains core logic:
򐂰 Integrated Management Module II (IMM2)
򐂰 Two Trusted Platform Modules (TPMs)
򐂰 Two hot-swap fan modules
򐂰 Internal USB port for an embedded hypervisor
򐂰 Dedicated 1 Gigabit Ethernet port dedicated for IMM2 connectivity
򐂰 Four USB 2.0 ports
򐂰 VGA port
򐂰 Serial port
Figure 3-24 shows the Primary I/O Book location and its components.
Figure 3-24 Primary I/O Book location and ports
Rather than a fixed network controller integrated on the system planar, the x3850 X6 and
x3950 X6 offer a dedicated ML2 (mezzanine LOM 2) adapter slot where you can select either
4-port Gigabit networking or 2-port 10Gb networking controllers from a variety of networking
vendors, as listed in Table 3-21 on page 93. This slot also supports out-of-band connectivity
to the IMM2 management controller.
The Storage Book has three PCIe 3.0 slots for optional PCIe adapters. All three ports have
PCIe x16 physical form-factor, but only PCIe slots 7 and 9 have 16 PCIe 3.0 lines, PCIe slot 8
works as PCIe 3.0 x8. All PCIe ports in the Primary I/O Book support only half-length
full-height PCIe adapters. Maximum power consumption for each PCIe slot is 75W.
Three PCIe 3.0 slots
Two fan modules
ML2 slot for Ethernet
adapters
IMM2 Gb
Ethernet port
Serial port
Four USB 2.0 ports
Video port