Teledyne HPT User Manual

Computer Access Technology

Corporation

2403 Walsh Avenue, Santa Clara, CA 95051-1302 Tel: [phone] Fax: [phone]

CATC™ HPT

™

USB Host Production Tester

User’s Manual

Version 2.27

15 September 1999

Copyright 1996, 1997, 1998, 1999 Computer Access Technology Corporation (CATC)

CATC, Inspector, Detective, and HPT are trademarks of Computer Access Technology Corporation

CATC HPT User’s Manual Version 2.27

TABLE OF CONTENTS

1. INTRODUCTION............................................................................................................................................. 1

1.1 USB O

VERVIEW.............................................................................................................................................. 1

2. CATC HPT SYSTEM....................................................................................................................................... 2

3. SYSTEM SETUP............................................................................................................................................... 2

3.1 C

ONNECTORS AND CABLES ............................................................................................................................. 3

4. SOFTWARE INSTALLATION....................................................................................................................... 3

4.1 S

OFTWARE COMPONENTS................................................................................................................................3

4.2 I

NSTALLING THE SOFTWARE ............................................................................................................................. 3

4.3 R

UNNING THE SOFTWARE ................................................................................................................................3

4.3.1 Setting the PIIX4 Interrupt Line Number.............................................................................................. 4

4.3.2 Command Line Options......................................................................................................................... 4

5. HPT SOFTWARE FUNCTIONALITY.......................................................................................................... 5

5.1 H

5.2 P

OST TEST INITIALIZATION ............................................................................................................................. 5

ORT TEST SEQUENCE..................................................................................................................................... 6

5.2.1 Set Address............................................................................................................................................ 6

5.2.2 Get Device Descriptor........................................................................................................................... 7

5.2.3 Get Configuration Descriptor............................................................................................................... 7

5.2.4 Set Configuration.................................................................................................................................. 8

5.2.5 Bulk Read..............................................................................................................................................8

5.2.6 Loopback Test....................................................................................................................................... 8

5.2.7 Connection/Disconnection Ability.........................................................................................................9

5.3 USB P

5.4 T

OWER STATE TEST................................................................................................................................9

EST RESULTS: MONI T OR DISPLAY............................................................................................................... 10

5.4.1 OHCI Error Reporting........................................................................................................................ 12

5.5 T

5.6 T

5.7 C

EST RESULTS: DISK FILES............................................................................................................................12

EST RESULTS: ERROR LEVELS..................................................................................................................... 13

ONFIGURATION FILE INFORMATION............................................................................................................. 15

5.7.1 For Intel PIIX3 UHCI systems only.................................................................................................... 15

5.7.2 For Systems Running EMM386........................................................................................................... 15

6. HOW TO CONTACT CATC.........................................................................................................................16

7. WARRANTY AND LICENSE....................................................................................................................... 16

i

CATC HPT User’s Manual Version 2.27

1. INTRODUCTION

The CATC HPT USB Host Production Tester is designed for use on the production line to test
the Universal Serial Bus ports of USB-capable motherboards and PCs, according to the USB
specifications. The HPT supports USB host implementations of both the Intel UHCI and Open
HCI specifications.

CATC HPT Features:

• Intel 8x930 USB controller-based circuitry, packaged in a sturdy metal box

• DOS-based software program verifies functionality of the USB system under test

• supports UHCI and OHCI USB host implementations

• two cables enable simultaneous testing of two USB root ports in under 10 seconds

• tests for full- and low-speed port operation

• enclosure-mounted LEDs for second-level visual status and test verification

• can be incorporated into customer system test platforms (custom integration service

available)

• tested for compliance with the USB specification

• one year warranty and hot-line customer support

The HPT box connects to the two USB ports of the USB Host PC unit under test, using two USB
cables. The tester is an intelligent USB device, allowing for quick and accurate testing for proper
USB device enumeration, data transfers, and detection of connection status for full- and low­speed devices, as well as the proper operation of USB host interrupt circuitry and the various
USB status flags.

The HPT software program connects with the tester via the USB host controller on the
motherboard. For each port, the HPT software checks for proper operation in both full- and low­speed modes. When all tests are successful, the software declares the USB host unit functional.
Any failures are both displayed on the screen and saved as a text file. For units that fail these
tests, a CATC Inspector™ or Detective™ USB Bus & Protocol Analyzer can be used to assist in
debug and rework.

1.1 USB Overview

USB is an open industry standard, providing a simple and inexpensive way to connect up to 127
devices to a single computer port. Keyboards, mice, tablets, digitizers, scanners, bar-code
readers, modems, printers, and more can all run at the same time. USB devices plug into any
platform that supports the standard, from notebooks to desktop PCs to workstations.

USB is a dynamically reconfigurable serial bus with an elementary data rate of 12,000,000
bits/sec, based on off the shelf, low cost micro-controller technology. Its modular layered
software protocol supports sophisticated device drivers and application programs.

Page 1

CATC HPT User’s Manual Version 2.27

Please refer to the USB Specifications for details on the USB protocol. The USB specifications
are available from the USB Implementers Forum at:

USB IF
M/S JF2-51 Tel: [phone]
2111 NE 25th Avenue Fax: [phone]
Hillsboro, OR 97124 Web: http://www.usb.org/

2. CATC HPT SYSTEM

The CATC HPT package includes the following components:

• a sturdy metal box housing the HPT electronic test circuitry, based on the Intel 8x930 USB

controller

• an AC to DC converter

• two USB cables

• a diskette with the CATC HPT DOS software program

• this user’s manual

The HPT box is an intelligent USB device. It has two female B-type USB connectors and two
LEDs on the front of the unit and a +9V DC @ 500mA power connector on the rear. The USB
connectors (marked “CH 1” and “CH 2”) are used to connect the HPT box to the host under test.
The power connector is used to power the box from the AC to DC power converter; when power
is applied, the red LED (marked “PWR”) is illuminated. The green LED (marked “STATUS”) is
a status indicator; it blinks to indicate that the on-board microcontroller is functioning properly.

The DOS-based HPT software runs on the USB host under test; it communicates with the HPT
box via the USB host controller (on the motherboard). For each USB port, the software program
checks for proper operation in both full- and low-speed modes. When all tests are successful, the
software declares the USB host to be functional; any failures are reported on the computer
display screen, and saved on the hard disk as a text file.

3. SYSTEM SETUP

Position the CATC HPT box on the test bench, near the USB host to be evaluated.
Connect the DC plug of the AC to 9V DC @ 500mA power converter to the +9V power

receptacle of the CATC HPT box. To activate the unit, plug the AC to DC converter into an
appropriate AC power outlet.

In the USB test system, connect the USB HPT box as follows:
A) Connect a USB cable between the USB connector labeled “CH 1” (on the CATC HPT

box) and the USB port of the host system under test.

B) If the system under test has a second USB port, use another USB cable to connect it to

the USB connector labeled “CH 2” (on the CATC HPT box).

The CATC HPT USB Host Tester hardware is now ready for operation.

Page 2

CATC HPT User’s Manual Version 2.27

3.1 Connectors and Cables

All connectors have a limited life (i.e., number of connect/disconnects before failure). When
testing multiple hosts, be sure to plug and unplug cables at the host only, not at the HPT box.
There is generally no need to disconnect the B-type USB connectors from the HPT. There is also
no need to power down the HPT box between tests.

Additionally, forceful or otherwise improper connection and disconnection of USB cables can
damage the cables and connectors on the USB host system and the CATC HPT box.

Note that the CATC Warranty (see “Warranty and License”) specifically excludes damage
caused by this kind of product misuse.

USB ports on the host PC under test can be connected to the HPT box in either order; this will
only affect the sequence in which the ports are tested. The software will first test the port
connected to “CH 1”, then that connected to “CH 2”.

Note: To observe bus traffic, a CATC Inspector or Detective USB Bus & Protocol Analyzer can

be connected between the CATC HPT box and the host system under test.

4. SOFTWARE INSTALLATION

4.1 Software Components

The CATC HPT software diskette includes the following files:

• USB_HPT.EXE executable code of the CATC HPT program

• USB_HPT.CFG configuration text file for the USB host controller

(used only for Intel PIIX3 UHCI systems)

4.2 Installing the software

Make a copy of the CATC diskette for backup, then copy usb_hpt.exe (and also usb_hpt.cfg, in
the case of Intel PIIX3 UHCI systems) to the hard drive of the USB-capable host PC to be tested.

4.3 Running the software

The HPT software program (usb_hpt.exe) is a DOS application and must be run under the DOS
operating system. It supports both UHCI and OHCI USB host controller implementations.

The program scans the PC’s PCI devices and locates the USB host controller by class code. It
uses the first host controller it finds as the test target. On some systems with a USB-aware BIOS,

the software may fail to communicate with the USB host controller; should this occur, contact
CATC technical support (see “How to Contact CATC”).

To run the program, type USB_HPT at the DOS prompt and press the “Enter” key. The program
will clear the monitor screen and begin execution. During the test, the program displays the test
results on the monitor screen. The tests conclude in less than 10 seconds, leaving the test results
on the screen. To terminate the program and get back to the DOS prompt, press any key.

Page 3

CATC HPT User’s Manual Version 2.27

4.3.1 Setting the PIIX4 Interrupt Line Number

In some computers the BIOS does not set the PIIX4 interrupt line, and as a result, the USB host
controller interrupt line remains disabled.

The HPT software allows setting of the PIIX4 interrupt line number, using the /I:N option, where
N is the IRQ number of the USB host controller (in the range 3–F).

If the IRQ setting is done by the BIOS, the /I option is not required.
When thus directed, the HPT software reads the Interrupt Line Register contents (function 2). If a

valid interrupt line number (3–F) is found, it uses this interrupt number even if the /I option
specifies a different IRQ number. If an invalid interrupt value is found (not 3–F) the driver alerts
the user with a screen message, stating that an invalid interrupt number was found, and requests
the use of the /I option to specify a valid IRQ value.

Ignoring the /I option when a valid IRQ number is detected allows the user to use the same
software configuration to run the HPT tester on different systems (where some need this option
and some do not).

When the /I option is used, the driver writes the specified IRQ number to both the Interrupt Line
Register and the PIRQD Route Control Register (function 0), and clears the Interrupt Routing
Enable bit of the latter.

4.3.2 Command Line Options

The test program supports a variety of command line options. To use these options, type
USB_HPT (at the DOS prompt) followed by one or more of the following options, and press the
“Enter” key. Note that option switches may be either upper- or lowercase.

Command Line Options

Options Purpose Default

/A[:TIME] Specifies an integer value representing the number of

milliseconds to wait at the end of the test before

Wait for operator

to press a key.
terminating (without waiting for the operator to press a
key). The maximum value of “TIME” is 32,768
(approximately 32.8 seconds).

/B:Address Valid for OHCI Host Controllers ONLY !!!

Default value of

“TIME” is 1000.

N/A
Specifies (in HEX) the base address for the

operational registers of the host controller

/C Sends all screen output to the console (so it can be

redirected to a file or communication port).

/D:DEVICE Specifies (in HEX) a device ID for the host controller.

Display screen

output only.

N/A
Note: In this case, the HPT software will not do

automatic search; this option should be used in
conjunction with option /V.

Page 4