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Contents
About This Manual
How to Use the Documentation Set...............................................................................xi
This manual contains detailed instructions for installing and configuring
the National Instruments PXI-8820 embedded computer kit.
How to Use the Documentation Set
Begin by reading the NI PXI-8820 Installation Guide, a brief quick-start
guide that describes how to install and get started with your controller.
This manual, the NI PXI-8820 User Manual, contains more details about
changing the installation or configuration from the defaults and using the
hardware.
Conventions
The following conventions appear in this manual:
»The » symbol leads you through nested menu items and dialog box options
to a final action. The sequence Options»Settings»General directs you to
pull down the Options menu, select the Settings item, and select General
from the last dialog box.
This icon denotes a tip, which alerts you to advisory information.
This icon denotes a note, which alerts you to important information.
This icon denotes a caution, which advises you of precautions to take to
avoid injury, data loss, or a system crash.
boldBold text denotes items that you must select or click in the software, such
as menu items and dialog box options. Bold text also denotes parameter
names.
italicItalic text denotes variables, emphasis, a cross-reference, or an introduction
to a key concept. Italic text also denotes text that is a placeholder for a word
or value that you must supply.
monospaceText in this font denotes text or characters that you should enter from the
keyboard, sections of code, programming examples, and syntax examples.
This font is also used for the proper names of disk drives, paths, directories,
programs, subprograms, subroutines, device names, functions, operations,
variables, filenames, and extensions.
monospace boldBold text in this font denotes the messages and responses that the computer
automatically prints to the screen. This font also emphasizes lines of code
that are different from the other examples.
Related Documentation
The following documents contain information you may find helpful as you
read this manual:
•PICMG 2.0 R3.0 CompactPCI Specification, PCI Industrial
Computers Manufacturers Group
•IEEE Standard P1284.1-1997 (C/MM) Standard for Information
Technology for Transport Independent Printer/System Interface
•PCI Local Bus Specification, Revision 2.3, PCI Special Interest Group
•PXI Hardware Specification, Revision 2.2, PXI Systems Alliance
•PXI Software Specification, Revision 2.1, PXI Systems Alliance
•Serialized IRQ Support for PCI Systems Specification, Revision 6.0,
Compaq Computer et al.
•ExpressCard Standard, Release 1.0, PCMCIA
•Universal Serial Bus (USB) Specification, Revision 2.0
•IEEE Std 488.1-2003, IEEE Standard for Higher Performance
Protocol for the Standard Digital Interface for Programmable
Instrumentation
NI PXI-8820 User Manualxiini.com
Introduction
This chapter provides overview information for PXI and the NI PXI-8820
embedded controller.
Benefits of PXI
The PXI (PCI eXtensions for Instrumentation) industry standard, an open
specification governed by the PXI Systems Alliance (PXISA), defines a
compact modular PC platform for test, measurement, and control systems.
Since PXI leverages the PCI bus, PXI users receive all the benefits of PCI
within an architecture that supports mechanical, electrical, and software
features tailored to industrial instrumentation, data acquisition, industrial
automation, and control applications.
Well-suited for industrial applications, PXI leverages from the
CompactPCI specification, which defines a rugged form factor for PCI
that offers superior mechanical integrity and easy installation and removal
of hardware components. PXI products offer higher and more carefully
defined levels of environmental performance required by the vibration,
shock, temperature, and humidity extremes of industrial environments.
PXI adds mandatory environmental testing and active cooling to the
CompactPCI mechanical specification to ease system integration and
ensure multivendor interoperability.
1
Additionally, PXI meets the more specific needs of instrumentation users
by adding an integrated trigger bus and reference clock for multiple-board
synchronization, a star trigger bus for very precise timing, and local buses
for side-band communication between adjacent peripherals.
The NI PXI-8820 PXI/CompactPCI embedded computer is a
high-performance PXI/CompactPCI system controller. The NI PXI-8820
controller integrates standard I/O features in a single unit by using
state-of-the-art packaging. Combining an NI PXI-8820 embedded
controller with a PXI-compatible chassis, such as the NI PXI-1042, results
in a fully PC-compatible computer in a compact, rugged package.
The standard I/O on each module includes one DisplayPort video,
one RS-232 serial port, a parallel port, four high-speed USB 2.0 ports,
one Gigabit Ethernet connector, a reset button, and PXI triggers.
®
The NI PXI-8820 has a dual-core Intel
2 MB cache 2.2 GHz, Single Channel DDR3, 1333 MHz memory
controller, all the standard I/O, and an integrated hard drive.
Celeron® 1020E processor with
NI PXI-8820 User Manual1-2ni.com
Functional Overview
Super I/O
Parallel
Serial
PCH
LPC
Processor
SO-DIMM
DDR3
S ATA
SPI
x1 PCIE
USB
DisplayPort
FDIDMI2
S ATA
Hard Disk
1 DisplayPort
Connector
4 Hi-Speed
USB 2.0
Connectors
BIOS
Watchdog
SMB Front
Panel Trigger
Ethernet
Por t
PCIe Bridge
x1 PCIe
PCI
PXI
This section contains functional descriptions of each major logic block on
the NI PXI-8820 embedded computer.
NI PXI-8820 Functional Description
The NI PXI-8820 is a modular PC in a PXI 3U-size form factor. Figure 1-1
is a functional block diagram of the NI PXI-8820. Following the diagram
is a description of each logic block shown.
The NI PXI-8820 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:
•The processor is an Intel
®
Celeron® 1020E processor (2M cache,
2.2 GHz). The processor connects to the SO-DIMM block through the
DDR3 interface supporting up to 1333 MHz SO-DIMMs, the PCH
through a x4 DMI2 (Direct Media Interface) interface supporting up to
5 GT/s and through x4 FDI (Flexible Display Interface) supporting up
to 2.7 GT/s.
•The SO-DIMM blocks consists of one 64-bit DDR3 SDRAM socket
that can hold up to 8GB of memory.
•The PCH (Platform Controller Hub) provides the DisplayPort, USB,
PCI Express, LPC and SPI interfaces that connect to the peripherals on
the NI PXI-8820.
•The DisplayPort block consists of 1 DisplayPort connector.
•The USB block consists of 4 Hi-Speed USB 2.0 connectors.
•The Ethernet Port block consists of an Intel
®
82579LM Gigabit
Network Connection.
•The Super I/O block connects to 1 serial port and 1 ECP/EPP parallel
port.
•The SMB Front Panel Trigger provides a routable connection of the
PXI triggers to/from the SMB on the front panel.
•The Watchdog block consists of a watchdog timer that can reset the
controller or generate triggers.
•The PXI Connectors connect the NI PXI-8820 to the PXI/
CompactPCI Express backplane.
NI PXI-8820 User Manual1-4ni.com
National Instruments Software
National Instruments has developed several software tools you can use with
the NI PXI-8820.
National Instruments’ hardware and software work together to help you
make the most of your PXI system. The LabVIEW, Measurement Studio,
and LabWindows
with leading hardware drivers such as NI-DAQmx to provide exceptional
control of NI hardware. Instrument drivers are available at
to simplify communication with instruments over a variety of buses.
LabVIEW is a powerful and easy-to-use graphical programming
environment you can use to acquire data from thousands of different
instruments including USB, IEEE 488.2, VXI, serial, PLCs, and plug-in
boards. LabVIEW helps you convert acquired data into meaningful results
using powerful data analysis routines. Add-on tools provide additional
specialized functionality. For more information visit
ni.com/toolkits.
and
If you prefer to use Microsoft’s Visual Basic, Visual C++, and
Visual Studio .NET for the core of your application, Measurement Studio
adds tools for Measurement and Automation to each language. For more
information visit
™
/CVI™ application development environments combine
ni.com/mstudio.
Chapter 1Introduction
ni.com/idnet
ni.com/labview
LabWindows/CVI is an interactive ANSI C programming environment
designed for building virtual instrument applications. LabWindows/CVI
delivers a drag-and-drop editor for building user interfaces, a complete
ANSI C environment for building your test program logic, and a collection
of automated code generation tools, as well as utilities for building
automated test systems, monitoring applications, or laboratory
experiments. For more information visit
ni.com/lwcvi.
NI-DAQmx provides an extensive library of functions that you can call
from your application development environment or interactive environment
such as NI Signal Express. These functions provide an intuitive API for
National Instruments’ multifunction DAQ products. Features available
include analog input (A/D conversion), buffered data acquisition
(high-speed A/D conversion), analog output (D/A conversion), waveform
generation, digital I/O, counter/timer operations, SCXI signal conditioning,
RTSI or PXI synchronization, self-calibration, messaging, and acquiring
data to extended memory. For more information visit
National Instruments’ Modular Instruments use specialized drivers suited
to each product’s specialization. Express VIs provide customized,
interactive programming of instruments in a single interface and soft front
panels provide an interface for testing the functionality of each instrument
with no programming required. NI Switches, DMMs, High-Speed DIO,
High-Speed Digitizers, and Sources each have customized drivers for
high-end modular instrumentation systems. RF applications leverage
two drivers, NI-RFSG and NI-RFSA and Dynamic Signal Acquisition is
available through NI-DAQmx. For more information visit
modularinstruments
.
ni.com/
You can expand the timing and triggering functionality of your PXI system
with PXI Timing and Synchronization products. These products provide
precision clock sources, custom routing of triggers for multi-chassis
synchronization, clock sharing, and more and are programmed with
NI-Sync. For more information visit
ni.com/pxi.
NI-VISA is the National Instruments implementation of the VISA
specification. VISA is a uniform API for communicating and controlling
USB, Serial, GPIB, PXI, VXI, and various other types of instruments. This
API aids in the creation of portable applications and instrument drivers. For
information on writing your own PXI instrument driver with NI-VISA,
refer to the NI-VISA Getting Started Manual and the
the NI-VISA directory. For more information visit
readme.txt file in
ni.com/visa.
With LabVIEW for Linux and support for over two hundred devices on
Linux with the NI-DAQmx driver, you can now create Virtual Instruments
based on the Linux OS. Instrument control in Linux has been improved by
the NI-VISA driver for Linux and NI Modular Instruments are partially
supported. For more information visit
NI PXI-8820 User Manual1-6ni.com
ni.com/linux.
Installation and Configuration
This chapter contains information about installing and configuring your
NI PXI-8820 controller.
Installing the NI PXI-8820
This section contains general installation instructions for the NI PXI-8820.
Consult your PXI chassis user manual for specific instructions and
warnings.
1.Plug in your chassis before installing the NI PXI-8820. The power
cord grounds the chassis and protects it from electrical damage while
you install the module.
Caution To protect both yourself and the chassis from electrical hazards, leave the chassis
powered off until you finish installing the NI PXI-8820 module.
2.Remove any filler panels blocking access to the system controller slot
(Slot 1) in the chassis.
3.Touch the metal part of the case to discharge any static electricity that
might be on your clothes or body.
4.Remove the protective plastic covers from the four bracket-retaining
screws as shown in Figure 2-1.
1Protective Screw Cap (4x)
Figure 2-1. Removing Protective Screw Caps
5.Make sure the injector/ejector handle is in its downward position.
Align the NI PXI-8820 with the card guides on the top and bottom
of the system controller slot.
Caution Do not raise the injector/ejector handle as you insert the NI PXI-8820. The
module will not insert properly unless the handle is in its downward position so that
it does not interfere with the injector rail on the chassis.
6.Hold the handle as you slowly slide the module into the chassis until
the handle catches on the injector/ejector rail.
7.Raise the injector/ejector handle until the module firmly seats
into the backplane receptacle connectors. The front panel of the
NI PXI-8820 should be even with the front panel of the chassis.
8.Tighten the four bracket-retaining screws on the top and bottom of the
front panel to secure the NI PXI-8820 to the chassis.
9.Check the installation.
NI PXI-8820 User Manual2-2ni.com
Chapter 2Installation and Configuration
NI PXI-1042
2
3
1
10. Connect the keyboard and mouse to the appropriate connectors. If you
are using a PS/2 keyboard and a PS/2 mouse, a Y-splitter adapter is
available to connect both to a single USB connector. Refer to
Figure 4-1, Y-Splitter Cable.
11. Connect the DisplayPort monitor video cable to the DisplayPort
connector, or use the DisplayPort-to-VGA adapter included with your
controller to connect a VGA monitor to the DisplayPort connector.
12. Connect devices to ports using only shielded cables as required by
your system configuration.
13. Power on the chassis.
14. Verify that the controller boots. If the controller does not boot, refer
to the What if the NI PXI-8820 does not boot? section of Chapter 5,
Troubleshooting.
Figure 2-2 shows an NI PXI-8820 installed in the system controller slot of
a National Instruments NI PXI-1042 chassis.
1 NI PXI-1042 Chassis
2 NI PXI-8820 Controller
Figure 2-2. NI PXI-8820 Controller Installed in a PXI Chassis
The NI PXI-8820 controller is designed for easy handling. To remove the
unit from the PXI chassis, complete the following steps:
1.Power off the chassis.
2.Loosen the 4 bracket-retaining screws in the front panel.
3.Press the injector/ejector handle down.
BIOS Setup Utility
You can change the NI PXI-8820 configuration settings in the BIOS setup
program. The BIOS is the low-level interface between the hardware and
operating system software that configures and tests your hardware when
you boot the system. The BIOS setup program includes menus for
configuring settings and enabling NI PXI-8820 controller features.
Most users do not need to use the BIOS setup program, as the NI PXI-8820
controller ships with default settings that work well for most
configurations.
Caution Changing BIOS settings may lead to incorrect controller behavior and possibly
an unbootable controller. If this happens, follow the instructions for restoring default
settings in the System CMOS section. In general, do not change a setting unless you are
absolutely certain what it does.
Accessing BIOS Setup Utility
Complete the following steps to start the BIOS setup program.
1.Power on or reboot your NI PXI-8820 controller.
2.When the message
the <Delete> key. The setup program loads after a short delay.
The Main menu is displayed when you first enter the BIOS setup
program.
Use the following keys to navigate through the BIOS setup program:
•Left Arrow, Right Arrow—Use these keys to move between the
different setup menus. If you are in a submenu, these keys have no
effect, and you must press <Esc> to leave the submenu first. (To use
the arrows on the numeric keypad, you must turn off Num Lock.)
NI PXI-8820 User Manual2-4ni.com
Press <DEL> to enter setup appears, press
Main Setup Menu
Chapter 2Installation and Configuration
•Up Arrow, Down Arrow—Use these keys to move between the
options within a setup menu. (To use the arrows on the numeric
keypad, you must turn off Num Lock.)
•<Enter>—Use this key either to enter a submenu or display all
available settings for a highlighted configuration option.
•<Esc>—Use this key to return to the parent menu of a submenu.
At the top-level menus, this key serves as a shortcut to the Exit menu.
•<+> and <–>—Use these keys to cycle between all available settings
for a selected configuration option.
•<Tab>—Use this key to select time and date fields.
•<F9>—Use this key to load the optimal default values for BIOS
configuration settings. The optimal default values are the same as the
shipping configuration default values.
The most commonly accessed and modified BIOS settings are in the Main
setup menu. The Main setup menu reports the following configuration
information:
•BIOS Version and Build Date—These values indicate the version of
the NI PXI-8820 controller BIOS and the date on which the BIOS was
built.
•Embedded Firmware Version—This value helps identify the built-in
hardware capabilities.
•Processor Type, Base Processor Frequency, and Active Processor Cores—These values indicate the type of processor used in the
NI PXI-8820 controller, the speed of the processor, and the maximum
number of processor cores.
•Total Memory—This value indicates the size of system RAM
detected by the BIOS.
The Main setup menu also includes the following settings:
•System Time—This setting controls the time of day, which is stored
in a battery-backed real-time clock. Most operating systems also
include a way to change this setting. Use <+> and <-> in conjunction
with <Enter> and <Tab> to change these values.
•System Date—This setting controls the date, which is stored in a
battery-backed real-time clock. Most operating systems also include a
way to change this setting. Use <+> and <-> in conjunction with
<Enter> and <Tab> to change these values.
This menu contains BIOS settings that normally do not require
modification. If you have specific problems such as unbootable disks
or resource conflicts, you may need to examine these settings.
Caution Changing settings in this menu may result in an unstable or unbootable controller.
If this happens, follow the procedures outlined in the System CMOS section to restore
BIOS settings to their factory defaults.
The Advanced setup menu includes the following settings and submenus:
•SATA Configuration—Use this setting to access the SATA Configuration submenu. Refer to the SATA Configuration Submenu
section for more information.
•CPU Configuration—Use this setting to access the CPU Configuration submenu. Refer to the CPU Configuration Submenu
section for more information.
•Video Configuration—Use this setting to access the Video Configuration submenu. Refer to the Video Configuration Submenu
section for more information.
•USB Configuration—Use this setting to access the USB Configuration submenu. Refer to the USB Configuration Submenu
section for more information.
•Serial/Parallel Port Configuration—Use this setting to access
the Serial/Parallel Port Configuration submenu. Refer to the
Serial/Parallel Port Configuration Submenu section for more
information.
•Power/Wake Configuration—Use this setting to access the
Power/Wake Configuration submenu. Refer to the Power/Wake
Configuration Submenu section for more information.
SATA Configuration Submenu
Use this submenu to apply alternate settings to the hard disk drive (HDD)
interfaces. Normally, you do not need to modify these settings, as the
factory default settings provide the most compatible and optimal
configuration possible.
NI PXI-8820 User Manual2-6ni.com
Chapter 2Installation and Configuration
•SATA Controller—This setting specifies whether or not the onboard
SATA controller is enabled or disabled. The default value is Enabled.
mode is enabled or disabled for the SATA port. Some operating
systems, such as Windows 2000, do not support AHCI mode. You
can use this setting to disable AHCI mode and enable IDE mode
so that non-compatible OSes function correctly. The default value
is AHCI.
•Internal Drive (SATA)—This item displays the onboard SATA drive
detected in the system.
CPU Configuration Submenu
Use this submenu to apply alternate settings to the CPU. Normally, you do
not need to modify these settings, as the factory default settings provide the
most compatible and optimal configuration possible.
•Enabled CPU Cores—This setting selects the number of active CPU
cores for the processor. Valid values are All, 1. The default value is All.
•C-States—This setting enables or disables CPU power management.
The default value is Enabled. Enabling C-States allows the processor
to put idle CPU cores to sleep, allowing active cores to run at higher
than base frequencies when Turbo Boost is enabled. Enabling C-States
can increase application jitter, so care should be taken when enabling
this setting on a Real Time system. When the BIOS is configured to
boot LabVIEW Real-time, C-States will be automatically disabled. In
order to manually enable C-States when in LabVIEW Real-Time
mode, see the LabVIEW RT Configuration Overrides Submenu.
•Hardware Prefetcher—This setting enables or disables CPU cache
hardware prefetching. The default value is Enabled. Enabling
hardware prefetching can increase system performance for some
applications, but can cause control algorithms to behave less
deterministically.
•Adjacent Cache Line Prefetch—This setting enables or disables
prefetching of adjacent cache lines from memory to the CPU cache.
The default value is Enabled. Enabling adjacent cache line prefetching
can increase system performance for some applications, but can cause
control algorithms to behave less deterministically.