Chapter 1
Getting Started
©
National Instruments
1-7
NI PXIe-1071 User Manual
Refer to Figure 1-4 for an overview of the NI PXIe-1071 architecture.
Figure 1-4.
NI PXIe-1071 Backplane Architecture
System Controller Slot
The system controller slot is Slot 1 of the chassis and is a 4-Link
configuration system slot as defined by the CompactPCI Express and
PXI Express specifications. It has three system controller expansion slots
for system controller modules that are wider than one slot. These slots
allow the system controller to expand to the left to prevent the system
controller from using peripheral slots.
The backplane routes three of the system slot’s x4 PCI Express (PCIe) links
to peripheral slots. The fourth link is routed as a x1 to a PCI Express-to-PCI
bridge, providing a 32-bit/33 MHz PCI bus to the hybrid slots. Refer to
Figure 1-4 for PCI Express and PCI connectivity.
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