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The NI PXIe-8133 is a modular PC in a PXI Express 3U-size form factor. The following figure is a functional block diagram of the NI PXIe-8133. Following the diagram is a description of each logic block shown.

Figure 1. NI PXIe-8133 Block Diagram
The NI PXIe-8133 consists of the following logic blocks on the CPU module and the I/O (daughter card) module. The CPU module has the following logic blocks:
  • FPGA Socket189 is the socket definition for the Intel Core i7 processor.
  • The SO-DIMM block consists of two 64-bit DDR3 SDRAM sockets that can hold up to 4 GB each.
  • The CPU connects to the DDR3 SDRAM, PLX 8632 switch, and Intel 5 Series chipset.
  • The SMB to PXI Express Trigger provides a routable connection of the PXI Express triggers to/from the SMB on the front panel.
  • The ATI Radeon E2400 Embedded GPU drives the graphics.
  • The Watchdog Timer block consists of a watchdog timer that can reset the controller or generate a trigger.
  • The Intel 5 Series chipset connects to the PCI, USB, Serial ATA, ExpressCard, PXI Express, and LPC buses.
  • The USB Connectors connect the Intel 5 Series chipset to the Hi-Speed USB 2.0 interface.
  • The Serial ATA Hard Disk is a 120 GB or larger notebook hard disk. The Serial ATA interface enables transfer rates up to 150 MB/s. The hard disk also supports Native Command Queuing.
  • The PXI Express Connector connects the NI PXIe-8133 to the PXI Express/CompactPCI Express backplane.
  • The Super I/O block represents the other peripherals supplied by the NI PXIe-8133. The NI PXIe-8133 has one serial port, and an ECP/EPP parallel port.
  • Both the 82577 and 82574 Gigabit Enet ports connect to either 10 Mbit, 100 Mbit, or 1000 Mbit Ethernet interfaces. Both ports are housed in a dual stacked Ethernet connector.
  • The GPIB block contains the GPIB interface.
  • The ExpressCard/34 slot accommodates an ExpressCard/34 module.