NI 500 Series User manual

VXIpc-486 Model 599

© Copyright 1994 National Instruments Corporation.
All Rights Reserved.
Getting Started with Your
VXIpc™-486 Model 500 Series
bus
September 1994 Edition
Part Number 320867A-01

National Instruments Corporate Headquarters
6504 Bridge Point Parkway
Austin, TX 78730-5039
[phone]
Technical support fax: [phone]
[phone]
Branch Offices:
Australia [phone], Austria [phone], Belgium 02/757.00.20, Canada (Ontario) [phone],
Canada (Québec) [phone], Denmark 45 76 26 00, Finland (90) 527 2321, France (1) 48 14 24 24,
Germany 089/741 31 30, Italy 02/48301892, Japan [phone], Netherlands 03480-33466, Norway 32-848400,
Spain (91) 640 0085, Sweden 08-730 49 70, Switzerland 056/20 51 51, U.K. 0635 523545

Limited Warranty
The VXIpc-486 Model 500 Series embedded computers and accessories are warranted against defects in materials
and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other
documentation. National Instruments will, at its option, repair or replace equipment that proves to be defective
during the warranty period. This warranty includes parts and labor.
A Return Material Authorization (RMA) number must be obtained from the factory and clearly marked on the
outside of the package before any equipment will be accepted for warranty work. National Instruments will pay the
shipping costs of returning to the owner parts which are covered by warranty.
National Instruments believes that the information in this manual is accurate. The document has been carefully
reviewed for technical accuracy. In the event that technical or typographical errors exist, National Instruments
reserves the right to make changes to subsequent editions of this document without prior notice to holders of this
edition. The reader should consult National Instruments if errors are suspected. In no event shall National
Instruments be liable for any damages arising out of or related to this document or the information contained in it.
EXCEPT AS SPECIFIED HEREIN, NATIONAL INSTRUMENTS MAKES NO WARRANTIES, EXPRESS OR IMPLIED,
AND SPECIFICALLY DISCLAIMS ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. CUSTOMER'S RIGHT TO RECOVER DAMAGES CAUSED BY FAULT OR NEGLIGENCE ON THE PART
OF NATIONAL INSTRUMENTS SHALL BE LIMITED TO THE AMOUNT THERETOFORE PAID BY THE CUSTOMER.
NATIONAL INSTRUMENTS WILL NOT BE LIABLE FOR DAMAGES RESULTING FROM LOSS OF DATA, PROFITS,
USE OF PRODUCTS, OR INCIDENTAL OR CONSEQUENTIAL DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY
THEREOF. This limitation of the liability of National Instruments will apply regardless of the form of action,
whether in contract or tort, including negligence. Any action against National Instruments must be brought within
one year after the cause of action accrues. National Instruments shall not be liable for any delay in performance due
to causes beyond its reasonable control. The warranty provided herein does not cover damages, defects,
malfunctions, or service failures caused by owner's failure to follow the National Instruments installation, operation,
or maintenance instructions; owner's modification of the product; owner's abuse, misuse, or negligent acts; and
power failure or surges, fire, flood, accident, actions of third parties, or other events outside reasonable control.
Copyright
Under the copyright laws, this publication may not be reproduced or transmitted in any form, electronic or
mechanical, including photocopying, recording, storing in an information retrieval system, or translating, in whole
or in part, without the prior written consent of National Instruments Corporation.
Trademarks
LabVIEW®, NAT4882®, Turbo488®, NI-488.2™,NI-VXI™, TIC™, and VXIpc™-486 are trademarks of National
Instruments Corporation.
Product and company names listed are trademarks or trade names of their respective companies.

WARNING REGARDING MEDICAL AND CLINICAL USE OF
NATIONAL INSTRUMENTS PRODUCTS
National Instruments products are not designed with components and testing intended to ensure a level of reliability
suitable for use in treatment and diagnosis of humans. Applications of National Instruments products involving
medical or clinical treatment can create a potential for accidental injury caused by product failure, or by errors on
the part of the user or application designer. Any use or application of National Instruments products for or involving
medical or clinical treatment must be performed by properly trained and qualified medical personnel, and all
traditional medical safeguards, equipment, and procedures that are appropriate in the particular situation to prevent
serious injury or death should always continue to be used when National Instruments products are being used.
National Instruments products are NOT intended to be a substitute for any form of established process, procedure, or
equipment used to monitor or safeguard human health and safety in medical or clinical treatment.

FCC/DOC Radio Frequency Interference Compliance
This equipment generates and uses radio frequency energy and, if not installed and used in strict accordance with the
instructions in this manual, may cause interference to radio and television reception. This equipment has been tested
and found to comply with the following two regulatory agencies:
Federal Communications Commission
This device complies with Part 15 of the Federal Communications Commission (FCC) Rules for a Class A digital
device. Operation is subject to the following two conditions:
1. This device may not cause harmful interference in commercial environments.
2. This device must accept any interference received, including interference that may cause undesired operation.
Canadian Department of Communications
This device complies with the limits for radio noise emissions from digital apparatus set out in the Radio
Interference Regulations of the Canadian Department of Communications (DOC).
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils
numériques de classe A prescrites dans le règlement sur le brouillage radioélectrique édicté par le ministère des
communications du Canada.
Instructions to Users
These regulations are designed to provide reasonable protection against harmful interference from the equipment to
radio reception in commercial areas. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct the interference at his own expense.
There is no guarantee that interference will not occur in a particular installation. However, the chances of
interference are much less if the equipment is installed and used according to this instruction manual.
If the equipment does cause interference to radio or television reception, which can be determined by turning the
equipment on and off, one or more of the following suggestions may reduce or eliminate the problem.
• Operate the equipment and the receiver on different branches of your AC electrical system.
• Move the equipment away from the receiver with which it is interfering.
• Reorient or relocate the receiver’s antenna.
• Be sure that the equipment is plugged into a grounded outlet and that the grounding has not been defeated with
a cheater plug.
Notice to user: Changes or modifications not expressly approved by National Instruments could void the user’s
authority to operate the equipment under the FCC Rules.
If necessary, consult National Instruments or an experienced radio/television technician for additional suggestions.
The following booklet prepared by the FCC may also be helpful: How to Identify and Resolve Radio-TV
Interference Problems. This booklet is available from the U.S. Government Printing Office, Washington, DC
20402, Stock Number 004-000-00345-4.

© National Instruments Corporation vii VXIpc-486 Model 500 Series
Contents
About This Manual ............................................................................................................xiii
Organization of This Manual.........................................................................................xiii
Conventions Used in This Manual.................................................................................xiv
Related Documentation..................................................................................................xv
Customer Communication .............................................................................................xv
Chapter 1
Introduction ..........................................................................................................................1-1
What You Need to Get Started ......................................................................................1-1
Optional Equipment.......................................................................................................1-1
Optional Software ..........................................................................................................1-2
Hardware Description ....................................................................................................1-2
Chapter 2
VXIpc-486 Configuration and Installation................................................................2-1
Factory Configuration....................................................................................................2-1
Configuring the VXIpc-486...........................................................................................2-2
Configuration Procedure....................................................................................2-3
Configuration Options....................................................................................................2-4
VXIbus Slot and External CLK10 Configuration Options................................2-4
Slot 0 Configurations .............................................................................2-5
Non-Slot 0 Configurations.....................................................................2-5
MODID Signal Termination..................................................................2-6
System Controller ..................................................................................2-6
CLK10 Generation.................................................................................2-7
VXIbus CLK10......................................................................................2-7
External CLK10.....................................................................................2-8
External CLK10 Termination ................................................................2-8
External Trigger Input Configuration ................................................................2-9
External Audio/Trigger Output Configuration ..................................................2-10
Installed System RAM Configuration................................................................2-10
Installing and Starting Up the VXIpc-486.....................................................................2-11
Chapter 3
BIOS Setup............................................................................................................................3-1
Running Setup................................................................................................................3-1
Extended Features..........................................................................................................3-2
Appendix A
National Instruments Software......................................................................................A-1
NI-VXI...........................................................................................................................A-1
NI-488.2.........................................................................................................................A-1
LabVIEW and LabWindows..........................................................................................A-1

Contents
VXIpc-486 Model 500 Series viii © National Instruments Corporation
Appendix B
Specifications........................................................................................................................B-1
CPU................................................................................................................................B-1
Physical..........................................................................................................................B-1
Power Requirements ......................................................................................................B-2
Cooling...........................................................................................................................B-2
Emissions .......................................................................................................................B-2
Operating Environment..................................................................................................B-2
Storage Environment......................................................................................................B-2
Functionality ..................................................................................................................B-3
IEEE 488............................................................................................................B-3
VMEbus Master/Slave.......................................................................................B-3
VMEbus System Controller...............................................................................B-3
VXIbus...............................................................................................................B-4
Appendix C
Front Panel Indicators ......................................................................................................C-1
Appendix D
Connectors.............................................................................................................................D-1
Keyboard........................................................................................................................D-1
VGA...............................................................................................................................D-2
COM1.............................................................................................................................D-3
COM2/GPIO..................................................................................................................D-4
LPT.................................................................................................................................D-5
Floppy Disk Drive..........................................................................................................D-6
GPIB...............................................................................................................................D-7
External CLK10.............................................................................................................D-8
External Trigger Input....................................................................................................D-9
External Audio/Trigger Output......................................................................................D-10
VXIbus P1 and P2..........................................................................................................D-11
Appendix E
Modifying and Installing I/O Expansion Boards.....................................................E-1
Appendix F
VXIpc-486 Plug-in Boards...............................................................................................F-1
Height of VXIpc-486 Plug-in Boards ...........................................................................F-1
Length of VXIpc-486 Plug-in Boards............................................................................F-3
Appendix G
VXIpc-486 Hardware Configuration...........................................................................G-1
Appendix H
Configuring the Super VGA Option............................................................................H-1
Introduction....................................................................................................................H-1
Modifying the System Settings......................................................................................H-1
Installing the Super VGA Drivers..................................................................................H-2

Contents
© National Instruments Corporation ix VXIpc-486 Model 500 Series
Appendix I
Common Questions ............................................................................................................I-1
Appendix J
Troubleshooting...................................................................................................................J-1
Appendix K
Customer Communication...............................................................................................K-1
Glossary...................................................................................................................... Glossary-1
Index ..................................................................................................................................Index-1

Contents
VXIpc-486 Model 500 Series x © National Instruments Corporation
Figures
Figure 2-1. VXIpc-486 Model 500 Series Parts Locator Diagram .....................................2-2
Figure 2-2. MODID Signal Termination Settings...............................................................2-6
Figure 2-3. System Controller Settings ...............................................................................2-6
Figure 2-4. CLK10 Generation Settings..............................................................................2-7
Figure 2-5. VXIbus CLK10 Settings...................................................................................2-7
Figure 2-6. External CLK10 Settings..................................................................................2-8
Figure 2-7. External CLK10 Termination Settings.............................................................2-8
Figure 2-8. External Trigger Input Circuit ..........................................................................2-9
Figure 2-9. External Trigger Input Termination Settings....................................................2-9
Figure 2-10. VXIpc-486 Model 500 Series Front Panel .......................................................2-13
Figure D-1. KEYBOARD Connector ..................................................................................D-1
Figure D-2. VGA Connector................................................................................................D-2
Figure D-3. COM1 Connector..............................................................................................D-3
Figure D-4. COM2/GPIO Connector...................................................................................D-4
Figure D-5. LPT Connector..................................................................................................D-5
Figure D-6. DISK DRIVE Connector..................................................................................D-6
Figure D-7. GPIB Connector................................................................................................D-7
Figure D-8. EXT CLK Connector........................................................................................D-8
Figure D-9. TRG IN Connector ...........................................................................................D-9
Figure D-10. AUDIO/TRG OUT Connector .........................................................................D-10
Figure D-11. VXIbus Connector............................................................................................D-11
Figure F-1. Height Comparison of PC Boards Versus PC AT Boards................................F-1
Figure F-2. Installing PC-Height Boards in a VXIpc-486 System......................................F-2
Figure F-3. Installing PC AT-Height Boards in a VXIpc-486 System................................F-3
Figure F-4. VXIpc-486 Expansion Kit with No Boards Installed.......................................F-4
Figure F-5. Kit Number 776713-02 for Two-Board Expansion (Model 500 Series)..........F-4
Figure F-6. First Board 8.2 in. Long or Less.......................................................................F-5
Figure F-7. First Board between 8.2 in. and 13.4 in. Long .................................................F-5
Figure F-8. Both Boards 8.2 in. Long or Less.....................................................................F-5
Figure F-9. First Board Less than 8.2 in. Long, Second Board 8.2 in. Long or Less,
but Longer than the First Board........................................................................F-5
Figure F-10. First Board 8.2 in. Long or Less, Second Board over One Inch Shorter
than First Board ................................................................................................F-6
Figure F-11. First Board 8.2 in. Long or Less, Second Board between 8.2 in. and
13.4 in. Long.....................................................................................................F-6
Figure F-12. Both Boards Between 8.2 in. and 13.4 in. Long...............................................F-6
Figure F-13. Second Board Full 13.4 in. Long......................................................................F-7
Figure F-14. First Board 8.2 in. Long or Less, Second Board Full 13.4 in. Long ................F-7
Figure F-15. First Board between 8.2 in. and 13.4 in. Long, Second Board Full
13.4 in. Long.....................................................................................................F-7

Contents
© National Instruments Corporation xi VXIpc-486 Model 500 Series
Tables
Table 2-1. VXIpc-486 Model 500 Series Factory Configuration ......................................2-1
Table 2-2. VXIbus Slot Position and External CLK10 Configuration Options.................2-4
Table 2-3. External Audio/Trigger Output Configuration Options ...................................2-10
Table 2-4. Installed RAM Configuration Options .............................................................2-10
Table 3-1. Default BIOS Setup Configuration Options.....................................................3-2
Table 3-2. Extended BIOS Configuration Parameters.......................................................3-3
Table C-1. Front Panel LED Indications ...........................................................................C-1
Table D-1. KEYBOARD Connector Signals......................................................................D-1
Table D-2. VGA Connector Signals ...................................................................................D-2
Table D-3. COM1 Connector Signals.................................................................................D-3
Table D-4a. COM2/GPIO Connector COM2 Signals ..........................................................D-4
Table D-4b. COM2/GPIO Connector GPIO Signals............................................................D-4
Table D-5. LPT Connector Signals.....................................................................................D-5
Table D-6. DISK DRIVE Connector Signals .....................................................................D-6
Table D-7. GPIB Connector Signals...................................................................................D-7
Table D-8. EXT CLK Connector Signals...........................................................................D-8
Table D-9. TRG IN Connector Signals...............................................................................D-9
Table D-10. AUDIO/TRG OUT Connector Signals.............................................................D-10
Table D-11. VXIbus P1 Connector Signals..........................................................................D-11
Table D-12. VXIbus P2 Connector Signals..........................................................................D-12
Table G-1. VXIpc-486 Model 500 Series Memory Map....................................................G-1
Table G-2. VXIpc-486 Model 500 Series I/O Address Map ..............................................G-2
Table G-3. VXIpc-486 Model 500 Series Interrupt Line Use ............................................G-3
Table G-4. VXIpc-486 Model 500 Series DMA Channel Use...........................................G-4

© National Instruments Corporation xiii VXIpc-486 Model 500 Series
About This Manual
This manual contains instructions for installing and configuring the National Instruments
VXIpc-486 Model 500 Series embedded computer. The Model 500 Series consists of the
VXIpc-486 Models 500, 566, and 599 computers.
Organization of This Manual
This manual is organized as follows:
• Chapter 1, Introduction, describes the VXIpc-486 Model 500 Series embedded computer,
lists what you need to get started, and lists optional equipment and software.
• Chapter 2, VXIpc-486 Configuration and Installation, describes how to configure and install
the VXIpc-486 Model 500 Series embedded computer.
• Chapter 3, BIOS Setup, describes how to set up the basic input/output system (BIOS) for the
VXIpc-486 Model 500 Series computer.
• Appendix A, National Instruments Software, summarizes the National Instruments software
products you can use with your VXIpc-486 Model 500 Series computer.
• Appendix B, Specifications, lists various module specifications of the VXIpc-486 Model 500
Series computer, such as physical dimensions and power requirements.
• Appendix C, Front Panel Indicators, describes the functions of the seven front panel LED
indicators on the VXIpc-486 Model 500 Series computer.
• Appendix D, Connectors, describes the front panel and VXIbus connector pinouts on the
VXIpc-486 Model 500 Series computer.
• Appendix E, Modifying and Installing I/O Expansion Boards, explains how to modify
and install commercially available PC/XT and PC AT I/O boards in a VXIpc-486/2 Model
500 Series computer equipped with the I/O expansion kit.
• Appendix F, VXIpc-486 Plug-in Boards, discusses several considerations with regard to the
height and length of plug-in boards used in an expansion kit for the VXIpc-486.
• Appendix G, VXIpc-486 Hardware Configuration, contains hardware configuration
information about the VXIpc-486 Model 500 Series computer regarding memory map
locations, I/O address map locations, interrupt lines, and DMA channels.
• Appendix H, Configuring the Super VGA Option, describes the Super VGA (video graphics
adapter) driver option you can use with your VXIpc-486 Model 500 Series computer and
contains instructions for configuring your system to use this option.

About This Manual
VXIpc-486 Model 500 Series xiv © National Instruments Corporation
• Appendix I, Common Questions, answers common questions you may have when using the
NI-VXI bus interface software on the VXIpc-486 platform.
• Appendix J, Troubleshooting, addresses system-related problems you may encounter when
using the NI-VXI bus interface software on the VXIpc-486 platform.
• Appendix K, Customer Communication, contains forms you can use to request help from
National Instruments or to comment on our products and manuals.
• The Glossary contains an alphabetical list and description of terms used in this manual,
including acronyms, abbreviations, metric prefixes, mnemonics, and symbols.
• The Index contains an alphabetical list of key terms and topics in this manual, including the
page where you can find each one.
Conventions Used in This Manual
The following conventions are used in this manual.
bold Bold text denotes menus, menu items, LEDs, dialog box buttons, and
options.
italic Italic text denotes emphasis, a cross reference, or an introduction to a key
concept.
bold italic Bold italic text denotes a note, caution, or warning.
monospace Text in this font denotes the proper names of disk drives, paths,
directories, programs, subprograms, filenames, and extensions.
bold monospace Bold text in this font denotes the messages and responses that the
computer automatically prints to the screen.
Model 500 Series The term Model 500 Series is used in this manual to refer to the
VXIpc-486 Models 500, 566, and 599 embedded computers. When
there are any differences among the three models, this manual describes
them specifically.
<> Angle brackets enclose the name of a key on the keyboard—for example,
<Esc>.
<Tab> Key names are capitalized.
Abbreviations, acronyms, metric prefixes, mnemonics, symbols, and terms are listed in the
Glossary.

About This Manual
© National Instruments Corporation xv VXIpc-486 Model 500 Series
Related Documentation
The following documents contain information that you may find helpful as you read this manual.
•IEEE Standard for a Versatile Backplane Bus: VMEbus, ANSI/IEEE Standard 1014-1987
• VXI-1, VXIbus System Specification, Rev. 1.4, VXIbus Consortium
• VXI-6, VXIbus Mainframe Extender Specification, Rev. 1.0, VXIbus Consortium
Customer Communication
National Instruments wants to receive your comments on our products and manuals. We are
interested in the applications you develop using our products, and we want to help if you have
problems with them. To make it easy for you to contact us, this manual contains comment and
configuration forms for you to complete. These forms are in Appendix K, Customer
Communication, at the end of this manual.

© National Instruments Corporation 1-1 VXIpc-486 Model 500 Series
Chapter 1
Introduction
This chapter describes the VXIpc-486 Model 500 Series embedded computer, lists what you
need to get started, and lists optional equipment and software.
The VXIpc-486, an embedded computer based on the Industry Standard Architecture (ISA), is
a high-performance, easy-to-use platform for VXIbus systems, featuring complete VXI
functionality through interactive utilities and C function calls. In addition, the VXIpc-486 has
an IEEE 488 interface that is compatible with the NI-488.2 architecture.
This manual describes VXIpc-486 Models 500, 566, and 599 as the Model 500 Series. The
major difference in the three models is the type and speed of the microprocessor.
• The Model 500 uses the 50 MHz version of the Intel 80486DX2 microprocessor.
• The Model 566 uses the 66 MHz version of the Intel 80486DX2 microprocessor.
• The Model 599 uses the 100 MHz version of the Intel 80486DX4 microprocessor.
What You Need to Get Started
VXIpc-486 Model 500 Series Module (one of the following):
Model 500 one-slot (with onboard video)
Model 500 two-slot (with or without onboard video)
Model 566 one-slot (with onboard video)
Model 566 two-slot (with or without onboard video)
Model 599 one-slot (with onboard video)
Model 599 two-slot (with or without onboard video)
Keyboard adapter cable
Optional Equipment
You can contact National Instruments to order any of the following optional equipment.
• VXIpc-EFD external 3.5 in. floppy drive (compatible with models without an internal floppy
drive)
• COM2 adapter cable
• I/O expansion slot panel bracket, blank
• Type X1 single-shielded GPIB cables (1 m, 2 m, or 4 m)
• Type X2 double-shielded GPIB cables (1 m, 2 m, or 4 m)

Introduction Chapter 1
VXIpc-486 Model 500 Series 1-2 © National Instruments Corporation
Optional Software
National Instruments offers several software products that are compatible with the VXIpc-486
Series computers. These products include the NI-VXI bus interface software, which you can use
to program VXI directly, and the NI-488.2 software, which you can use to control external GPIB
instruments from your VXIpc-486. Also available are VXI Software Development Systems for
LabVIEW for Windows, LabWindows®for DOS, and LabWindows/CVI. For more information
on software available from National Instruments, refer to Appendix A, National Instruments
Software.
You can also order the Super VGA video option for your VXIpc-486 Model 500 Series. The
Super VGA option is compatible with DOS and with Windows 3.1 or above. You can benefit
from the improved graphic image from Super VGA if you want to edit or view an especially
complex image in graphics or CAD programs. If you ordered your VXIpc-486 with Super VGA
already installed, you must modify the system settings as described in Appendix H, Configuring
the Super VGA Option. This appendix also includes installation instructions in case you order
this option at a later date.
Hardware Description
The VXIpc-486 Series computers are custom VXI computers that you install directly in your
VXI mainframe to achieve the smallest possible physical size for a VXI system. An embedded
computer can take full advantage of the VXI high-performance backplane capabilities and give
you direct control of VXI registers, memory, and triggers.
The VXIpc-486 computers are available in one-slot and two-slot versions. The VXIpc-486/1
requires one VXIbus slot and contains an internal hard disk drive. An optional external floppy
drive is available for transferring files between the VXIpc-486 and other PCs. The VXIpc-486/2
is available in various combinations of internal hard disk drive, internal floppy disk drive, and
PC-compatible I/O expansion kits. The optional external floppy drive is compatible with
VXIpc-486/1 and VXIpc-486/2 models without an internal floppy drive.
All models have connectors for an external floppy drive, a VGA or Super VGA monitor, a GPIB
interface, serial and parallel ports, and VXI clock and trigger signals.

© National Instruments Corporation 2-1 VXIpc-486 Model 500 Series
Chapter 2
VXIpc-486 Configuration and Installation
This chapter describes how to configure and install the VXIpc-486 Model 500 Series embedded
computer.
Note: This chapter discusses the VXIpc-486 Models 500, 566, and 599 together as the
Model 500 Series. The illustrations in this chapter apply to all models in the series.
Factory Configuration
The VXIpc-486 Model 500 Series is factory-configured to function as a VXIbus Slot 0 System
Controller. This is the most commonly used configuration. Table 2-1 shows the details of the
factory configuration.
Table 2-1. VXIpc-486 Model 500 Series Factory Configuration
Item Factory Configuration
Slot 0:
System Controller
CLK10
MODID Terminator
Enabled (Bus Arbiter and Bus Timer
Soft-Configured)
Onboard source drives backplane
16.9 kΩpull-up
External CLK10
I/O
Termination
Disabled
Not terminated
External Trigger Input Not terminated
External Audio/Trigger Out Trigger Out
System RAM Per customer order
The System Controller functions include the System Clock (SYSCLK) driver, System Reset
(SYSRESET) driver, Bus Arbiter, and Bus Timer. The Bus Arbiter and Bus Timer are
soft-configured, but are enabled or disabled by the Slot 0 System Controller configuration.
You can alter the VXIpc-486 factory configuration, if necessary, to match your system
requirements by changing the jumper settings as described in this chapter.

VXIpc-486 Configuration and Installation Chapter 2
VXIpc-486 Model 500 Series 2-2 © National Instruments Corporation
Configuring the VXIpc-486
This section describes how to modify the VXIpc-486 Model 500 Series factory configuration.
Unless you have special system configuration requirements, you can install and use the
VXIpc-486 without altering the factory configuration. Unless you need to alter the configuration
shown in Table 2-1, skip the following sections and continue with Installing and Starting Up the
VXIpc-486, later in this chapter.
Figure 2-1. VXIpc-486 Model 500 Series Parts Locator Diagram (Continues)
Art not available in PDF version of document.

Chapter 2 VXIpc-486 Configuration and Installation
© National Instruments Corporation 2-3 VXIpc-486 Model 500 Series
Configuration Procedure
Follow these steps to modify the factory configuration:
1. Ground yourself and the VXIpc-486. The VXIpc-486 can be damaged by static discharge.
You are less likely to damage the VXIpc-486 if you place it on a properly grounded
anti-static mat and use a wriststrap.
2. Remove the screws that secure the right side cover. Remove the cover to expose the circuit
board.
3. Alter the configuration as required, as described in the following section.
4. Replace the cover and the screws.
Figure 2-1. VXIpc-486 Model 500 Series Parts Locator Diagram (Continued)
Art not available in PDF version of document.

VXIpc-486 Configuration and Installation Chapter 2
VXIpc-486 Model 500 Series 2-4 © National Instruments Corporation
Configuration Options
Figure 2-1 shows the location of the VXIpc-486 Model 500 Series configurable components and
their physical location relative to some of the major circuit components. The factory jumper
settings are indicated in Figure 2-1 by the black rectangles. The jumper headers not shown in
Figure 2-1 are not user configurable and should not be populated with shunt jumpers.
Shunt jumpers should always be installed on W25 and W21. You may change the position of
these jumpers as required, but do not remove them completely.
VXIbus Slot and External CLK10 Configuration Options
Because the VXIbus slot and external CLK10 configuration options are interdependent, they are
discussed together in this section.
The external CLK10 interface is the SMB connector labeled CLK on the VXIpc-486 front panel.
The external CLK10 signal is a TTL-level signal.
Table 2-2 presents six different configuration options of the slot position and external CLK10,
including the factory default settings. Refer to the applicable configuration figures (Figures 2-2
through 2-7) that illustrate how to set up these options.
Table 2-2. VXIbus Slot Position and External CLK10 Configuration Options
Configuration
VXIbus
Slot
External
CLK10
Applicable Configuration Figures
W26 W25 W24 W32, W33, W20 J16
W35, W36
A* Slot 0 Disabled 2-2a 2-3a 2-4a 2-5a 2-6a 2-7a
B Slot 0 Output 2-2a 2-3a 2-4a 2-5a 2-6b 2-7a
C Slot 0 Input,
Unterminated
2-2a 2-3a 2-4b 2-5a 2-6c 2-7a
D Slot 0 Input, 50 Ω
Terminated
2-2a 2-3a 2-4b 2-5a 2-6c 2-7b
E Non-Slot 0 Disabled 2-2b 2-3b 2-4a 2-5b 2-6a 2-7a
F Non-Slot 0 Output 2-2b 2-3b 2-4a 2-5b 2-6b 2-7a
* Factory Configuration