National Instruments GPIB-PCIIB User manual

National Instruments GPIB-PCIIB Manual
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© Copyright 1989, 1994 National Instruments Corporation.
All Rights Reserved.
Getting Started with Your
GPIB-PCIIB and the
NI-488® Software for
MS-DOS
June 1994 Edition
Part Number 320226B-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],
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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 GPIB-PCIIB is warranted against defects in materials and
workmanship for a period of two years 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.
The media on which you receive National Instruments software are
warranted not to fail to execute programming instructions, due to defects in
materials and workmanship, for a period of 90 days from date of shipment,
as evidenced by receipts or other documentation. National Instruments will,
at its option, repair or replace software media that do not execute
programming instructions if National Instruments receives notice of such
defects during the warranty period. National Instruments does not warrant
that the operation of the software shall be uninterrupted or error free.
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
NI-488®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 B digital device. A Class B device is
distinguishable from a Class A device by the appearance of an FCC ID
number located on the Class B device.
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 B
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
interference from the equipment to radio and television reception in
residential areas.
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 Corp. ix GPIB-PCIIB/MS-DOS
Contents
About This Manual
Organization of This Manual.....................................................xi
Conventions Used in This Manual.............................................xi
Customer Communication .........................................................xii
Chapter 1
Introduction........................................................................................1-1
What You Need to Get Started ..................................................1-1
Optional Equipment...................................................................1-1
Chapter 2
Hardware Configuration and Installation.............................2-1
Configuration .............................................................................2-1
Switch and Jumper Settings.........................................2-2
Base I/O Address Selection.........................................2-3
Interrupt Selection .......................................................2-5
DMA Channel Selection..............................................2-6
Wait State Generator....................................................2-8
Installation..................................................................................2-9
Chapter 3
Software Installation and Configuration................................3-1
The NI-488 Software Package...................................................3-1
Main Programs and Files.............................................3-1
Additional Programs and Files ....................................3-2
Installing the Software ...............................................................3-3
Step 1. Preparation ....................................................3-3
Step 2. Run IBSTART ..............................................3-4
Accessing IBSTART.....................................3-4
Running IBSTART .......................................3-4
Step 3. Configure the Software (optional) ................3-6
Step 4. Restart (optional)...........................................3-7
Step 5. Test the Software Installation........................3-8
Step 6. Developing Your Application Program ........3-9

Contents
GPIB-PCIIB/MS-DOS x © National Instruments Corp.
More About IBCONF ................................................................3-9
Characteristics of the Instruments ...............................3-9
Characteristics of Each GPIB-PCIIB Board................3-10
Default Configurations ................................................3-11
Primary Default Characteristics ..................................3-11
Specific Board Characteristics of IBCONF for the
GPIB-PCIIB ................................................................3-12
Disable Device Unaddressing (Board
Characteristic Only) ......................................3-12
Running IBCONF........................................................3-12
Exiting IBCONF..........................................................3-13
Chapter 4
Using Your GPIB-PCIIB ..............................................................4-1
Appendix
Customer Communication............................................................A-1
Glossary................................................................................................G-1
Figures
Figure 2-1. GPIB-PCIIB Parts Locator Diagram ..................................2-1
Figure 2-2. Base I/O Address Switch Settings ......................................2-4
Figure 2-3. Interrupt Jumper Setting Options........................................2-5
Figure 2-4. DMA Channel Jumper Setting Options ..............................2-7
Figure 2-5. Wait-State Generator Settings ............................................2-8
Tables
Table 2-1. Factory Default Settings and Optional
Configurations ....................................................................2-2
Table 2-2. DMA Channels for the GPIB-PCIIB ..................................2-6

© National Instruments Corp. xi GPIB-PCII/MS-DOS
About This Manual
This manual contains instructions for installing and configuring the
National Instruments GPIB-PCIIB board and the NI-488 software. This
package is intended for use on IBM PC AT, PC/XT, and compatible
computers. This manual is meant to be used with the NI-488 MS-DOS
Software Reference Manual.
Organization of This Manual
This manual is organized as follows:
• Chapter 1, Introduction, lists what you need to get started and lists
optional equipment.
• Chapter 2, Hardware Configuration and Installation, contains the
instructions to configure and install the GPIB-PCIIB interface board.
• Chapter 3, Software Installation and Configuration, contains the
instructions for installing and configuring the NI-488 software.
• Chapter 4, Using Your GPIB-PCIIB, recommends that you read
specific chapters of the NI-488 MS-DOS Software Reference Manual
when using your GPIB-PCIIB board.
• Appendix, Customer Communication, contains forms you can use to
request help from National Instruments or to comment on our products
and manuals.
Conventions Used in This Manual
Throughout this manual, the following conventions are used to distinguish
elements of text:
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.

About This Manual
GPIB-PCII/MS-DOS xii © National Instruments Corp.
monospace Lowercase text in this font denotes text or
characters that are to be literally input 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, variables,
filenames, and extensions, and for statements
and comments taken from program code.
<> Angle brackets enclose the name of a key on the
keyboard–for example, <PageDown>.
- A hyphen between two or more key names
enclosed in angle brackets denotes that you
should simultaneously press the named keys–for
example, <Control-Alt-Delete>.
<Enter> Key names are capitalized.
Customer Communication
National Instruments wants to receive your comments on our products and
manuals. We are interested in the applications you develop with 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 the Appendix, Customer
Communication, at the end of this manual.

© National Instruments Corp. 1-1 GPIB-PCIIB/MS-DOS
Chapter 1
Introduction
This chapter lists what you need to get started and lists optional equipment.
What You Need to Get Started
GPIB-PCIIB interface board
One of the following:
3.5 in. NI-488 Distribution Disk for NI-488 MS-DOS Handler,
BASICA, QuickBASIC, C*, and Universal Interfaces
or
5.25 in. NI-488 Distribution Disk for NI-488 MS-DOS Handler,
BASICA, QuickBASIC, C*, and Universal Interfaces
*Microsoft C
Optional Equipment
You can call National Instruments to order the following optional
equipment.
• Double-shielded GPIB cables*
GPIB Type X2 cables (1 m, 2 m, or 4 m)
* To meet FCC emission limits for a Class B device, you must use a
double-shielded (Type X2) GPIB cable. Operating this equipment
with a single-shielded (Type X1) cable may cause interference to
radio and television reception in residential areas.

© National Instruments Corp. 2-1 GPIB-PCIIB/MS-DOS
Chapter 2
Hardware Configuration and
Installation
This chapter contains the instructions to configure and install the
GPIB-PCIIB interface board.
Configuration
Figure 2-1 shows the location of the GPIB-PCIIB configuration jumpers
and switches.
Figure 2-1. GPIB-PCIIB Parts Locator Diagram

Hardware Configuration and Installation Chapter 2
GPIB-PCIIB/MS-DOS 2-2 © National Instruments Corp.
The settings of the base I/O address, the interrupt line, and the DMA
channel to which the GPIB-PCIIB was configured at the factory are suitable
for most computer systems. These default settings must exactly match the
software configurations in the NI-488 software.
Switch and Jumper Settings
Table 2-1 shows the factory settings and optional configurations for the
switches and jumpers on the GPIB-PCIIB.
Table 2-1. Factory Default Settings and Optional Configurations
GPIB-PCIIB Default Optional
Base I/O Address (hex) hex 2B0 000 - 3F0
DMA Channel 1 2, 3, Not Used
Interrupt Line (IRQ) 7 2, 3, 4, 5, 6, Not Used
If your computer is an IBM PC, PC/XT, or PC AT, the base address must
be set higher than hex 200 or the computer will not recognize your
GPIB-PCIIB board. Base addresses below hex 200 may work on some
compatibles.

Chapter 2 Hardware Configuration and Installation
© National Instruments Corp. 2-3 GPIB-PCIIB/MS-DOS
Base I/O Address Selection
The GPIB-PCIIB is programmed by the CPU by reading and writing eight
consecutive addresses on the I/O channel. The base I/O address for the
GPIB-PCIIB is determined by the switches at position U22. The switches
are set at the factory for the I/O address 2B0 hex. The GPIB-PCIIB uses
the I/O address space 2B0 through 2BF hex with this setting.
Note: Check to determine that this space is not already used by other
equipment installed in your computer. If any equipment in your
computer uses this I/O address space, change the base I/O
address of either the GPIB-PCIIB or the other device. If the
GPIB-PCIIB I/O address is changed, make a corresponding
change to the GPIB-PCIIB software as described in the Step 3.
Configure the Software section of Chapter 3.
Press the side marked OFF to select a binary value of 1 for the
corresponding address bit. Press the ON side of the switch to select a
binary value of 0 for the corresponding address bit. Refer to Figure 2-2.
Figure 2-2 shows two possible switch settings. In this figure, the black side
of the switch is the side you press down. Each of the address selections
shows how the base I/O address was calculated from the switch positions.

Hardware Configuration and Installation Chapter 2
GPIB-PCIIB/MS-DOS 2-4 © National Instruments Corp.
Key
Black = side you must press down; Off = 1; On = 0
Push this side down (OFF) for logic 1
Push this side down (ON) for logic 0
O F F O N
132 456
1 U22 0
S0
S1
S2
S3
S4
S5
OFF = 1
ON = 0
ON = 0
OFF = 1
OFF = 1
0
0
0
0
Binary Hex
2
B
0
a. Switch Set to Default Setting
(Base I/O Address 2B0)
OFF = 1
b. Switch Set to Base Address 2D0
O F F O N
132 456
1 U22 0
S0
S1
S2
S3
S4
S5
OFF = 1
ON = 0
ON = 0
OFF = 1
OFF = 1
Binary Hex
2
D
0
OFF = 1
0
0
0
0
Figure 2-2. Base I/O Address Switch Settings

Chapter 2 Hardware Configuration and Installation
© National Instruments Corp. 2-5 GPIB-PCIIB/MS-DOS
Interrupt Selection
The GPIB-PCIIB interface board can use one of six interrupt lines of the PC
I/O channel. The interrupt line is selected by placing a jumper across the
double rows of pins which are located at the lower left side of the
GPIB-PCIIB (see Figure 2-1). You must select an interrupt line and place
the jumper in the appropriate position to enable that line. The interrupt
lines that the GPIB-PCIIB can use are I7, I6, I5, I4, I3, and I2.
Once you have selected an interrupt line, place the jumper on the
appropriate pins to select the interrupt line. Figure 2-3 shows four of the
allowable jumper configurations.
c. Interrupt Line 2 Selected
b. Interrupt Line 5 Selected
d. No Interrupt Line Selected
• • • • • • • • • • • • • • • • • • • •
I7 I6 I5 I4 I3 I2
• • • • • • • • • •
I7 I6 I5 I4 I3 I2
• • • • • • • •
•
•
(Default Setting)
a. Interrupt Line 7 Selected
I7 I6 I5 I4 I3 I2 I7 I6 I5 I4 I3 I2
Figure 2-3. Interrupt Jumper Setting Options

Hardware Configuration and Installation Chapter 2
GPIB-PCIIB/MS-DOS 2-6 © National Instruments Corp.
DMA Channel Selection
The DMA channel used by the GPIB-PCIIB is selected by jumpers located
at the lower center of the interface board (see Figure 2-1). The GPIB-PCIIB
is set at the factory to use DMA channel 1. Verify that this DMA channel is
not also used by equipment already installed in your computer. If any
device uses DMA channel 1, change the DMA channel used by either the
GPIB-PCIIB or the other device. The GPIB-PCIIB hardware can use DMA
channels 1, 2, or 3, or no channel at all. Each DMA channel consists of two
signal lines as shown in Table 2-2.
Table 2-2. DMA Channels for the GPIB-PCIIB
Signal Lines
DMA
Channel DMA Acknowledge DMA Request
1 DACK1 DRQ1
2 DACK2 DRQ2
3 DACK3 DRQ3

Chapter 2 Hardware Configuration and Installation
© National Instruments Corp. 2-7 GPIB-PCIIB/MS-DOS
Two jumpers must be positioned to select a DMA channel. The DMA
Acknowledge and DMA Request lines selected must have the same numeric
suffix for proper operation. Figure 2-4 displays the jumper position
options.
R1
A3
• • • •
A1
R1 A2
R2 A3
R3
• • • •
b. DMA Channel 2 Selected
A1
R1
A2 R2
A3 R3
• • • • • • • •
• • • • • • • •
A1 A2 R2 R3
a. DMA Channel 1 Selected
(Default Setting)
A2
R2 A3
R3
• • • • • • • •
d. No DMA Channel Selected
• • • •
A1 R2
Figure 2-4. DMA Channel Jumper Setting Options