National Instruments NI PXI-8840 Manuale utente

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USER MANUAL

NI PXI-8840

This document provides reference information for PXI and the NI PXI-8840 embedded

controller.

Contents

Related Documentation ............................................................................................................2

PXI Features..............................................................................................................................2

Benefits of PXI..................................................................................................................2

NI PXI-8840..............................................................................................................................3

Description........................................................................................................................ 3

Functional Overview.........................................................................................................3

National Instruments Software..................................................................................................5

Configuration............................................................................................................................ 6

BIOS Setup Utility............................................................................................................ 6

BIOS Diagnostic Utilities............................................................................................... 16

System CMOS.................................................................................................................16

ExpressCard.................................................................................................................... 17

Boot Options................................................................................................................... 18

Hard Drive Recovery...................................................................................................... 18

Upgrade Information.......................................................................................................19

Installing an OS...............................................................................................................20

Specifications.......................................................................................................................... 20

Features........................................................................................................................... 21

Front Panel Dimensions.................................................................................................. 22

Electrical......................................................................................................................... 23

Physical........................................................................................................................... 23

Environmental.................................................................................................................23

Shock and Vibration........................................................................................................25

Safety.............................................................................................................................. 25

I/O Information....................................................................................................................... 27

DisplayPort......................................................................................................................27

COM1..............................................................................................................................28

Ethernet........................................................................................................................... 29

Universal Serial Bus........................................................................................................31

Trigger.............................................................................................................................32

GPIB (IEEE 488.2)......................................................................................................... 33

ExpressCard/34 Slot........................................................................................................34

Worldwide Support and Services............................................................................................ 36

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Related Documentation

The following documents contain information you may find helpful as you read this manual:

•IEEE Standard 488.1-2003, IEEE Standard for Higher Performance Protocol for the

Standard Digital Interface for Programmable Instrumentation

•PICMG 2.0 R3.0 CompactPCI Specification, PCI Industrial Computers Manufacturers

Group

•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, Compaq Computer et al.

•ExpressCard Standard, PCMCIA

•Universal Serial Bus (USB) Specification, Revision 2.0

•Universal Serial Bus (USB) Specification, Revision 3.0

PXI Features

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. Because 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.

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.

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NI PXI-8840

Description

The NI PXI-8840 PXI/CompactPCI embedded computer is a high-performance PXI/

CompactPCI-compatible system controller. The NI PXI-8840 controller integrates standard

I/O features in a single unit by using state-of-the-art packaging. Combining an NI PXI-8840

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 NI PXI-8840 has an Intel® Core™ i5 4400E processor (2.7 GHz dual core processor), all

the standard I/O, and a 320 GB (or larger) hard drive. It also has a PCI-based GPIB controller

and an ExpressCard/34 expansion slot.

The standard I/O on each module includes two DisplayPort video, one RS-232 serial port, four

Hi-Speed USB ports, two SuperSpeed USB ports, two Gigabit Ethernet, a reset button, and a

PXI trigger.

Functional Overview

The NI PXI-8840 is a modular PC in a PXI 3U-size form factor. The following figure is a

functional block diagram of the NI PXI-8840. Following the diagram is a description of each

logic block shown.

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Figure 1. NI PXI-8840 Block Diagram

Intel

8 Series

PCH

Processor

Intel Core

SO-DIMM

DDR3L SDRAM

PC3 12800

DisplayPort

Memory Bus Ch. A

Express

Card/34 Slot

x1 PCIE

USB

USB 2.0 x4

SATA

Hard Disk

FLASH

Watchdog

Trigger SMB

Connector

UART COM1

x1 PCIE

PXI

riggers

GPIB

Controller

GPIB

Connector

USB 2.0 x4

Intel I217-V

Gigabit

PHY

RJ45

Port 1

SATA

x4 DMI2

x4 DDI

LPC

PCI Express

to PCI Bridge

PXI PCI

Intel I210-IT

Gigabit

MAC/PHY

RJ45

Port 2

x1 PCIE

SPI

PCI

DisplayPort

USB 3.0 x2

x1 PCIE

x4 DDI

The NI PXI-8840 consists of the following logic blocks on two circuit card assemblies

(CCAs):

•The processor is an Intel® Core™ i5 4400E processor (3 MB Cache, 2.7 GHz). The

processor connects to the SO-DIMM block through the DDR3L interface supporting up

to 1600 MHz SO-DIMMs, the PCH through a x4 DMI2 (Direct Media Interface)

interface supporting up to 5 GT/s per lane.

• The SO-DIMM block consists of one 64-bit DDR3L SDRAM socket that can hold up to

8 GB of memory.

• The processor provides the DisplayPort interface that connects to display peripherals on

the NI PXI-8840, and the PCI Express interface to the PXI backplane through a PCI

Express to PCI bridge.

• The Platform Controller Hub (PCH) provides the USB, PCI Express x1, and LPC

interfaces that connect to the peripherals on the NI PXI-8840.

• The DisplayPort block consists of two DisplayPort connectors.

• The USB block consists of four Hi-Speed USB 2.0 connectors and two SuperSpeed USB

3.0 connectors.

• The GPIB block contains the GPIB interface.

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• The ExpressCard/34 slot accommodates an ExpressCard/34 module.

• The Ethernet Port 1 block consists of an Intel® I217-V Gigabit Ethernet Connection.

• The Ethernet Port 2 block consists of an Intel® I210-IT Gigabit Ethernet Connection.

• The UART block connects to one serial 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-8840 to the PXI/CompactPCI backplane.

National Instruments Software

National Instruments has developed several software tools you can use with the NI PXI-8840.

National Instruments hardware and software work together to help you make the most of your

PXI system. The LabVIEW, Measurement Studio, and LabWindows™/CVI™ application

development environments combine with leading hardware drivers such as NI-DAQmx to

provide exceptional control of NI hardware. Instrument drivers are available at ni.com/

idnet 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/labview and ni.com/toolkits.

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 ni.com/mstudio.

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-

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calibration, messaging, and acquiring data to extended memory. For more information, visit

ni.com/daq.

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

ni.com/modularinstruments.

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 about writing your own PXI instrument driver with NI-

VISA, refer to the NI-VISA Getting Started Manual and the readme.txt file in the NI-VISA

directory. For more information, visit ni.com/visa.

With LabVIEW for Linux and support for more than 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.com/linux.

Configuration

BIOS Setup Utility

You can change the NI PXI-8840 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-8840 controller features.

Most users do not need to use the BIOS setup program, as the NI PXI-8840 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.

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Accessing BIOS Setup Utility

Complete the following steps to start the BIOS setup program.

1. Power on or reboot your NI PXI-8840 controller.

2. When the message Press <DEL> to enter setup appears, press 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.)

•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.

Main Setup Menu

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-8840

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-8840 controller, the processor

speed, and the maximum number of processor cores.

•Total Memory—This value indicates the system RAM size the BIOS detects.

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The Main setup menu also includes the following settings:

•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.

•System Time—This setting controls the time of day, which is stored in a battery-backed

real-time clock. Most operating systems include a way to change this setting. Use <+>

and <-> in conjunction with <Enter> and <Tab> to change these values.

Advanced Setup Menu

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.

•Power/Wake Configuration—Use this setting to access the Power/Wake

Configuration submenu. Refer to the Power/Wake Configuration Submenu section for

more information.

•ExpressCard Configuration—Use this setting to access the ExpressCard

Configuration submenu. Refer to the ExpressCard 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 Port Configuration—Use this setting to access the Serial Port Configuration

submenu. Refer to the Serial Port 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.

•SATA Controller—This setting specifies whether or not the onboard SATA controller is

enabled or disabled. The default value is Enabled.

–SATA Mode Selection—This setting determines whether AHCI mode is enabled or

disabled for the SATA port. Some operating systems, such as Windows 2000, do not

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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.

•Hyper Threading—This setting enables or disables Intel Hyper-Threading technology.

The default value is Enabled. Enabling Hyper-Threading increases performance for some

applications by adding virtual CPU cores. Hyper-Threading can increase application

jitter, so be careful when enabling this setting on a Real Time system. When the BIOS is

configured to boot LabVIEW Real-Time, Hyper-Threading is disabled automatically. To

manually enable Hyper-Threading performance when in LabVIEW Real-Time mode,

refer to the LabVIEW RT Configuration Overrides Submenu.

•Enabled CPU Cores—This setting selects the number of active CPU cores for the

processor. Valid values are 1 and All. The default value is All.

•Turbo Boost—This setting enables or disables Intel Turbo Boost technology. The default

value is Enabled. Enabling Turbo Boost allows CPU cores to run at higher than their

base frequency for short durations, while other cores are idle. Enabling Turbo Boost also

can increase application jitter, so be careful when enabling this setting on a Real Time

system. To achieve maximum possible Turbo Boost frequencies, also enable the C-States

setting. When the BIOS is configured to boot LabVIEW Real-Time, Turbo Boost is

disabled automatically. To manually enable Turbo Boost performance when in LabVIEW

Real-Time mode, refer to the LabVIEW RT Configuration Overrides Submenu.

•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 be careful when enabling this setting on a Real

Time system. When the BIOS is configured to boot LabVIEW Real-Time, C-States are

disabled automatically. To manually enable C-States when in LabVIEW Real-Time mode,

refer to the LabVIEW RT Configuration Overrides Submenu.

•Hardware Prefetcher—This setting enables or disables CPU cache hardware

prefetching. The default value is Disabled when booting LabVIEW Real-Time and

Enabled when booting other OSs. 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 Disabled when booting

LabVIEW Real-Time and Enabled when booting other OSs. Enabling adjacent cache

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