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Chapter 1 Getting Started
Hybrid Peripheral Slots
The chassis provides 16 hybrid peripheral slots as defined by the PXI-5 PXI Express Hardware
Specification: slots 2-9 and slots 11-18. A hybrid peripheral slot can accept the following
peripheral modules:
• NI PXIe-1085 12 GB/s—A PXI Express peripheral with x8, x4, or x1 PCI Express link
through a switch to the system slot. Each PXI Express peripheral slot can link up to a Gen-2
x8 PCI Express, providing a maximum nominal single-direction bandwidth of 4 GB/s.
• NI PXIe-1085 24 GB/s—A PXI Express peripheral with x8, x4, or x1 PCI Express link
through a switch to the system slot. Each PXI Express peripheral slot can link up to a Gen-3
x8 PCI Express, providing a maximum nominal single-direction bandwidth of 8 GB/s.
• A CompactPCI Express Type-2 Peripheral with x8, x4, or x1 PCI Express link through a
switch to the system slot.
• A hybrid-compatible PXI Peripheral module that has been modified by replacing the J2
connector with an XJ4 connector installed in the upper eight rows of J2. Refer to the
PXI Express Specification for details. The PXI Peripheral communicates through the
backplane’s 32-bit PCI bus.
• A CompactPCI 32-bit peripheral on the backplane’s 32-bit PCI bus.
The hybrid peripheral slots provide full PXI Express functionality and 32-bit PXI functionality
except for PXI Local Bus. The hybrid peripheral slot only connects to PXI Local Bus 6 left and
right.
Figure 1-3. NI PXIe-1085 12 GB/s PCI Express Backplane Diagram
x8
x1
x1
x16
3
H
2
H
4
H
5
H
6
H
7
H
8
H
9
H
11
H
12
H
13
H
14
H
15
H
16
H
17
H
18
H
Gen-2
PCIe Switch 1
Por t 16 Port 17 Por t 8 Port 9
Gen-2
PCIe Switch 2
10
1
PCI Bus 1PCI Bus 2
Port 0 Port 5 Port 4
Por t 17 Por t 8 Port 9
Port 12 Port 13 Por t 20 Por t 21
Por t 1 6
Por t 2 1
Por t 4Por t 5Port 1Port 0
Port 20 Port 13 Port 12
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
x8
BrdgBrdg
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