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1.10 PCI Express subsystem
As shown in Figure 1-18, five half-length full-height PCI Express x8 slots and two
half-length full-height active PCI Express x8 slots are internal to the x3850 M2
and x3950 M2, and all are vacant in the standard models.
SAS
backplane
signal
Remote
Supervisor
Adapter II
System
Management
access
Battery
Front USB
Figure 1-18 System planar layout showing the seven PCI Express slots
All seven slots have the following characteristics:
Separation of the bus from the other slots and devices
PCI Express x8
40 Gbps full duplex (assumes PCIe (v1.1) x1 capable of maximum 2.5 Gbps
unidirectional or half duplex)
Slots 6 and 7 also support Active PCI hot-swap adapters
Remote Supervisor Adapter II
Internal USB
ServeRAID-MR10K
SAS backplane power
Front panel/light path diagnostics
DVD
Chapter 1. Technical overview
Hot-plug switch card
PCI Express x8
(x8 lanes) slot 1
PCI Express x8
(x8 lanes) slot 2
PCI Express x8
(x8 lanes) slot 3
PCI Express x8
(x8 lanes) slot 4
PCI Express x8
(x8 lanes) slot 5
PCI Express x8
(x8 lanes) slot 6
PCI Express x8
(x8 lanes) slot 7
43
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