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HP E3491A, Installation And Service Manual

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Status Lights

The HP E3491A Pentium Probe communicates various modes and
error conditions via the status lights.  The meanings of the status
lights are shown on the previous page.

The following table gives more information about the meaning of the
power and target status lights.

❍

 = LED is off 

● 

= LED is on 

✳ 

= Not applicable (LED is off or on)

Power/Target Status Lights

Pwr/Target
LEDs

Meaning

❍❍❍❍

HP E3491A Pentium Probe is not connected to power supply 

●❍❍❍

No target system power, or HP E3491A Pentium Probe is not connected to
the target system

●●❍❍

Target system is in a reset state

●❍●●

Only boot firmware is good (other firmware has been corrupted)

●❍●❍

Target system is executing in Debug Mode

●❍❍●

Target system is executing user code

Solving Problems

42

Summary of Contents for E3491A

Page 1: ...blication number E3491 97001 Second edition August 1995 For Safety information Warranties and Regulatory information see the pages behind the index Copyright Hewlett Packard Company 1994 1995 All Rights Reserved HP E3491A Pentium Probe ...

Page 2: ...5A Prototype Analyzer via an Ethernet LAN for remote operation or directly for point to point operation The logic analyzer connects to the HP 16505A through a SCSI connector The configuration switches Use the switches to configure communication to the HP 16505A There is a guide to these switches on the bottom of the HP E3491A Pentium Probe The status LEDs LEDs show the status of the power supply t...

Page 3: ...HP E3491A Pentium Probe Figure 1 iii ...

Page 4: ...iv ...

Page 5: ...configuration 9 Connecting to a LAN 10 To set the 10BASE T configuration switches 12 Setting Up LAN Communication 13 To verify LAN communications 14 Setting Up a Serial Connection 15 To set the serial configuration switches 16 To connect a serial cable 16 To verify serial communications 17 To configure LAN parameters using the built in terminal interface 18 2 Connecting to the Target System Connec...

Page 6: ...ter Board 37 5 Solving Problems Status Lights 42 Problems with the LAN Interface 43 If you cannot verify LAN communication 43 If you have LAN connection problems 44 If the POL LED is lit 44 If it takes a long time to connect to the network 45 Problems with the Serial Interface 46 If you cannot verify RS 232 communication 46 If you have RS 232 connection problems with the MS Windows Terminal pro gr...

Page 7: ... To obtain replacement cables 57 Figures HP E3491A Pentium Probe iii Powering up the Pentium Probe 7 Point to point Connection 9 LAN Connection 11 Switch Positions for LAN left and 10BASE T LAN right Configurations S6 Open for Initialization 11 Connecting through the HP E2457A Preprocessor Interface 25 Status Lights 41 Contents vii ...

Page 8: ...Contents viii ...

Page 9: ...Part 1 Installation ...

Page 10: ...2 ...

Page 11: ...1 Connecting to the HP 16505A Prototype Analyzer ...

Page 12: ...ct the HP E3491A Pentium Probe to the target system described in the next chapter Equipment supplied The following equipment is supplied with the HP E3491A Pentium Probe A 20 conductor cable assembly HP part number E3491 61601 A 30 conductor cable assembly HP part number E3491 61602 An adapter board HP part number E3491 66503 A 2 conductor cable assembly with SMT Grabbers HP part number 64762 6160...

Page 13: ...zer will read the directory of the floppy disk When the menu changes to show the file group E3491A select Update Install The menu will query Install the file group E3491A Select OK When the installation is complete the menu will display Filegroup E3491A successfully installed Select OK Close the HP 16505A Update Install window To verify installation start a session in the HP 16505A Look for the µp...

Page 14: ...om the factory with a power supply and cord appropriate for your country If the cord you received is not appropriate for your electrical power outlet type contact your Hewlett Packard sales and service office W arni n g Use only the supplied HP power supply and cord Failure to use the proper power supply could result in electric shock C aut i on Use only the supplied HP power supply and cord Failu...

Page 15: ...he 5V power cord to the back of the HP Pentium Probe The power light on the target side of the HP Pentium Probewill be illuminated The HP Pentium Probe does not have an On Off switch Figure 2 Powering up the Pentium Probe Connecting the HP E3491A Pentium Probe to a Power Source To connect the power cord and turn on the HP E3491A Pentium Probe 7 ...

Page 16: ... the prototype analyzer for a point to point connection or it can be connected via a LAN The LAN connection allows remote operation it also allows a probe to be shared by more than one prototype analyzer The following sections describe the connections for point to point and LAN configurations 8 ...

Page 17: ...3 The configuration switches must be set for a LAN configuration Switch 1 must be set to OPEN indicating that a LAN connection is being made Since this is a 10BASE T connection switch 5 must also be set to OPEN see figure 5 Use the procedure in Setting Up LAN Communication to set the Ethernet address IP address and gateway address Point to point Connection Figure 3 Connecting the Probe to the Prot...

Page 18: ...connector Do not use both The HP E3491A Pentium Probe will not work with both connected at the same time The configuration switches must be set for a LAN configuration Switch 1 must be set to OPEN indicating that a LAN connection is being made For 10BASE T connections switch 5 must also be set to OPEN see figure 5 Refer to To set the 10BASE T configuration switches for additional information on co...

Page 19: ...LAN Connection Switch Positions for LAN left and 10BASE T LAN right Configurations S6 Open for Initialization Figure 4 Figure 5 Connecting the Probe to the Prototype Analyzer Connecting to a LAN 11 ...

Page 20: ...t standard 10BASE T levels A maximum of 100 meters of UTP cable can be used If your network doesn t support Link Beat integrity checking or if the HP E3491A Pentium Probe is connected to a non 10BASE T network such as StarLAN set this switch to LINK BEAT OFF 0 or OPEN In normal mode switch S8 set to CLOSED a link integrity pulse is transmitted every 15 milliseconds in the absence of transmitted da...

Page 21: ...dify LAN Address menu in the HP 16505A Prototype Analyzer Run Control Tool interface to set the LAN parameters Use the Pentium probe Ethernet address that is written on the bottom of the probe For point to point connections use an IP address that is one greater than or one less than the HP 16505A IP address for example the prototype analyzer default address is 192 0 2 231 so use 192 0 2 230 or 192...

Page 22: ...space 2 Move the mouse cursor over the uP Control Tool in the workspace press and hold the right mouse button move the cursor over Start Sys Admin Session and let up on the right mouse button 3 Select the Verify Host Name Address menu to verify that the address is what you set If the address is the same then the parameters have been set 4 Click the Start User Session If no error message appears th...

Page 23: ...workstation If you are using a UNIX workstation as the host computer you need to use a serial device file If a serial device file does not already exist on your host you need to create one Once it exists you need to ensure that it has the appropriate permissions so that you can access it See the system documentation for your workstation for help with setting up a serial device Serial connections o...

Page 24: ...ted on the bottom of the HP E3491A Pentium Probe The higher baud rates may not work reliably with all hosts and user interfaces Make sure the baud rate you choose is supported by your host and user interface Example To use a baud rate of 9600 baud set the switches as follows To connect a serial cable C AU TI O N Use a grounded shielded cable If the cable is not shielded or if the cable is not grou...

Page 25: ...displays a prompt Copyright c Hewlett Packard Co 1987 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under copyright laws HPE3499A Series Emulation System Version A 05 00 19Jan95 17 01 Proto Location Generics HPE3491A Pentium tm Processor Probe Emulator Version A 01 00 05Jan95 12 22 Proto R The version numbers may be diff...

Page 26: ...tting up a serial connection begin on page 15 3 Plug in the HP E3491A Pentium Probe s power cord Press the terminal s RETURN key a couple times You should see a p or R prompt At this point you are communicating with the HP E3491A Pentium Probe s built in terminal interface 4 Display the current LAN configuration values by entering the lan command R lan lan is disabled lan i 0 0 0 0 lan g 0 0 0 0 l...

Page 27: ...entium Probe to your network This connection can be made by using either the 10BASE T connector or the 10BASE2 BNC connector on the HP E3491A Pentium Probe Do not use both connectors at the same time 7 Set the configuration switches to indicate the type of connection that is to be made Switch S1 must be set to OPEN indicating that a LAN connection is being made Switch S5 should be 1 if you are con...

Page 28: ...lowing command R lan i 192 6 94 2 The IP address and any other LAN parameters you change are stored in nonvolatile memory and will take effect the next time the HP E3491A Pentium Probe is powered off and back on again See Also Solving Problems page 39 if you have problems verifying LAN communication Setting Up a Serial Connection To configure LAN parameters using the built in terminal interface 20...

Page 29: ...2 Connecting to the Target System ...

Page 30: ... a custom interface refer to chapter 3 Designing a target system for use with the Intel defined debug interface Connectors provided The following components are provided with the E3491A Pentium probe for the purpose of testing the probe and connecting to a target system A 20 conductor cable assembly HP part number E3491 61601 A 30 conductor cable assembly HP part number E3491 61602 An adapter boar...

Page 31: ...power from the target system and the probe 2 Plug the adapter board in the E3491A Pentium Probe 3 Plug the 30 pin connector end of the 20 or 30 conductor cable assembly into the adapter 4 If you are using the 20 conductor assembly plug the 20 pin connector end of the cable assembly into the 20 pin debug port in the target system 5 If you are using the 30 conductor assembly plug the 30 pin connecto...

Page 32: ...side of the E2457A Pentium Preprocessor To connect to the target system 1 Remove power from the target system logic analyzer and the probe 2 Plug the adapter board in the E3491A Pentium Probe 3 Plug the 30 pin connector end of the 20 conductor cable assembly into the adapter 4 Plug the 20 pin connector end of the 20 conductor cable assembly into the 20 pin debug connector of the HP E2457A Pentium ...

Page 33: ...Connecting through the HP E2457A Preprocessor Interface Figure 6 Connecting to the Target System To connect to a target system via the HP E2457A Pentium Preprocessor 25 ...

Page 34: ...26 ...

Page 35: ...Part 2 Reference 27 ...

Page 36: ...28 ...

Page 37: ...3 Designing a Target System ...

Page 38: ...ely drive TCK TDI TMS TRST or R S If necessary all of the signals above can be disconnected from the target system by removing the following pins from one of the pin protectors on the bottom of the E2457A Pentium Preprocessor TCK pin M34 TMS pin P34 TDI pin N35 TDO pin N33 TRST pin Q33 R S pin AC35 PRDY pin AC05 To enable the E3491A Pentium Probe to reset the target system an input to the target s...

Page 39: ...h the Intel defined debug port The Vcc from the target system should sourced from the Pentium Vcc not 5 volts The second processor in the 30 pin debug port definition is not currently supported by the HP E3491A Only one device the Pentium processor is allowed in the boundary scan path when the HP E3491A is connected For a pinout of the debug port refer to chapter 4 Specifications and Characteristi...

Page 40: ...32 ...

Page 41: ...4 Specifications and Characteristics 33 ...

Page 42: ...mum input 5 V above VCC 5 V below ground Input function is selectable by the HP 16505A Prototype Analyzer Refer to Online Help for additional information Communications Serial Port 9 pin female type D subminiature connector RS 232 DCE to 115 2 kbaud 10BASE T LAN Port RJ 45 connector IEEE 802 3 10BASE T StarLAN 10BASE 2 LAN Port 50 ohm BNC connector IEEE 802 3 10BASE2 ThinLAN When using this connec...

Page 43: ... When connected to a Pentium 735 90 or 815 100 this voltage should not exceed the Vcc of the microprocessor 3 INIT PRDY RESET TDO 4 TCK TDI TMS TRST R S DBRESET CharacteristicS for HP E2457A Pentium Preprocessor J3 and J6 Notes Symbol Min Max Unit Output High Voltage J3 only 5 Voh 2 4 Vcct 0 5 V Output Low Voltage J3 only 5 Vol 0 5 V Output High Current at Voh J3 only 5 Ioh 3 mA Output Low Current...

Page 44: ...ons Temperature Operating 0 to 40 C 32 to 104 F nonoperating 40 to 60 C 40 to 140 F Altitude Operating nonoperating 4600 m 15 000 ft Relative Humidity 15 to 95 Specifications and Characteristics Environmental Specifications 36 ...

Page 45: ...t connected 10 GND 11 PRDY 1 PRDY signal from the target system 12 TDI JTAG signal 13 TDO JTAG signal 14 TMS JTAG signal 15 GND 16 TCK JTAG signal 17 GND 18 TRST JTAG signal 19 DBINST Grounded when the target debug port is connected to the HP E3491A 20 BSEN Grounded when the target debug port is connected to the HP E3491A 21 PRDY 2 Not supported by the HP E3491A 22 GND 23 R S 2 Not supported by th...

Page 46: ...38 ...

Page 47: ...5 Solving Problems Solving Problems 39 ...

Page 48: ...ate in any of the following places The HP E3491A Pentium Probe itself The connection between the HP E3491A Pentium Probe and the target system The target system You can use two means to determine the source of the problem The status lights on the HP E3491A Pentium Probe The HP E3491A Pentium Probe performance verification tests Solving Problems 40 ...

Page 49: ... E3491A Lit when the target system is in a reset state All off when target system Vcc is not detected Lit when the target processor is running in normal user program mode Lit when LAN data is being transmitted Lit when 10BASE T connection has a good link not used for 10BASE2 Lit when the polarity on the receive twisted pair is reversed for a 10BASE T connection Lit when LAN data is being received ...

Page 50: ...get status lights LED is off LED is on Not applicable LED is off or on Power Target Status Lights Pwr Target LEDs Meaning HP E3491A Pentium Probe is not connected to power supply No target system power or HP E3491A Pentium Probe is not connected to the target system Target system is in a reset state Only boot firmware is good other firmware has been corrupted Target system is executing in Debug Mo...

Page 51: ...ctly Unplug the HP E3491A Pentium Probe power cord then plug it in again to make sure the switch settings are read correctly by the HP E3491A Pentium Probe Make sure that the HP E3491A Pentium Probe s IP address is set up correctly Use the RS 232 port to verify this that the IP address is set up correctly When you are connected to the RS 232 port run performance verification on the HP E3491A Penti...

Page 52: ...like this lan i 15 5 24 116 lan g 15 5 23 1 lan p 6470 Ethernet Address 08000909BAC1 lan i shows the internet address is 15 5 24 116 in this case If the Internet address IP is not what you expect you can change it with the lan i new IP command lan g shows the gateway address Make sure it is the address of your gateway if you are connecting from another subnet 0 0 0 0 if you are connecting from the...

Page 53: ...t mask based on the first subnet mask it detects on the network If it then detects other subnet masks it will generate error messages If there are many subnet masks in use on the local subnet the HP E3491A Pentium Probe may take a very long time to connect to the network after it is turned on To clean up the network connect a terminal to the HP E3491A Pentium Probe You can then see error messages ...

Page 54: ...iguration problem involves the configuration of the HP E3491A Pentium Probe as a DTE device instead of as a DCE device If you are using the wrong type of cable no prompt will be displayed A cable with one to one connections will work with a PC or an HP Series 700 workstation If you have RS 232 connection problems with the MS Windows Terminal program Remember that Windows 3 1 only allows two active...

Page 55: ...tium Probe and turning it ON again If you still don t get a prompt make sure the RS 232 cable is connected to the correct port on your PC and that the cable is appropriate for connecting the PC to a DCE device With certain RS 232 cards connecting to an RS 232 port where the HP E3491A Pentium Probe is turned OFF or is not connected will hang the PC The only way to get control back is to reboot the ...

Page 56: ...NX array tested successfully 4 BOOT ROM space tested successfully 5 GENERIC ROM space tested successfully 6 DRIVER ROM space tested successfully 7 RESERVED ROM space tested successfully 8 RAM tested successfully 9 LAN internal feedback tested successfully 10 Start system load drivers initialize LAN If the power up self test fails the RESET LED will flash the number of the test then stay lit If any...

Page 57: ...lf tests fail try the following Check and reset the LAN address as shown in the Connecting to the H P 16505A Prototype Analyzer chapter LAN powerup failures will occur if the HP E3491A Pentium Probe does not have a valid Link Level Address and IP Address Disconnect all external connections including the LAN serial RS 232 and BNC Break and Trigger cables then cycle power To ensure that the firmware...

Page 58: ... Tests The LAN tests can only be executed through the RS 232 port The remainder of this section assumes that the tests are being run from a terminal emulator connected to the RS 232 port For the BREAK IN TRIGGER OUT BNC FEEDBACK TEST connect a coaxial cable between BREAK IN and TRIGGER OUT For the TARGET PROBE FEEDBACK TEST replace target cable with feedback connector E3490 61604 1 Set all of the ...

Page 59: ...pv repeat_count execute diagnostics repeat_count number of times repeat_count of 0 repeats until keyboard break SETUP 10BASE2 FEEDBACK TEST Disconnect 10Base2 Connector From the Network Terminate With Two 50 Ohm Terminators on a TEE 10BASET FEEDBACK TEST Connect 10BaseT Connector To Active Port Examples To execute both tests one time pv 1 To execute test 2 with maximum debug output repeatedly unti...

Page 60: ...10Base2 Feedback Test passed Test 3 LAN 10BaseT Feedback Test passed Test 4 Break In and Trigger Out BNC Feedback Test passed Test 5 Target Probe Feedback Test passed Test 6 Boundary Scan Master Test passed PASSED Number of tests 1 Number of failures 0 Copyright c Hewlett Packard Co 1987 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited excep...

Page 61: ... 1 Number of failures 1 The most common cause of this problem is poor termination of the cable or failure to remove the port under test from the LAN before performing the test Check to see that the terminators are good 50 Ohms and that you are isolated from any traffic on a system LAN R pv t2 v2 1 Testing HPE3499A Series Emulation System Test 2 LAN 10Base2 Feedback Test failed FAILED invalid Ether...

Page 62: ... Then ping the HP E3491A Pentium Probe from your host computer or PC See the LAN documentation for your host computer for the location and action of the ping utility If the HP E3491A Pentium Probe fails to respond to the ping request verify that the lan parameters IP address and gateway address are set correctly and that your host computer recognizes the IP address of the HP E3491A Pentium Probe I...

Page 63: ...e 0x7fb7 Output 19 Low not received on Input 11 Output 11 Low not received on Input 19 Output 13 Low not received on Input 1 Output 12 High not received on Input 6 Output 12 and Input 6 not pulled high on release Output 8 Low not received on Input 10 Output 7 Low not received on Input 20 Output 4 Low not received on Input 14 Output 2 Low not received on Input 18 FAILED Number of tests 1 Number of ...

Page 64: ...ervice center A list of HP sales offices is included at the back of this binder 3 Package the HP E3491A Pentium Probe or the power supply and send it to the HP service center If only the HP E3491A Pentium Probe is broken keep the power supply and cables If only the power supply is broken keep the HP E3491A Pentium Probe and cables 4 When the HP E3491A Pentium Probe or the power supply has been rep...

Page 65: ...ssemblies Part number Description 0950 2372 Power Supply 5090 4356 Grabber kit Pkg of 20 E3491 61601 20 conductor cable assembly E3491 61602 30 conductor cable assembly E3490 61604 self test connector 64762 61602 2 conductor cable assembly with SMT Grabbers E3491 66503 adapter board 5061 7342 7 ft 10Base T point to point network cable assembly Solving Problems To obtain replacement cables 57 ...

Page 66: ...58 ...

Page 67: ... CISPR 11 1990 EN 55011 1991 Group 1 Class A IEC 801 2 1991 EN 50082 1 1992 4 kV CD 8 kV AD IEC 801 3 1984 EN 50082 1 1992 3 V m 1kHz 80 AM 27 1000 MHz IEC 801 4 1988 EN 50082 1 1992 0 5 kV Sig Lines 1 kV Power Lines Supplementary Information The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC Colorado Springs 11 10 94 Europea...

Page 68: ...SPR 11 ISM Group 1 Class A equipment SABS RAA Act No 24 1990 Immunity EN50082 1 Code1 Notes2 IEC 801 2 ESD 4kV CD 8kV AD IEC 801 3 Rad 3 V m IEC 801 4 EFT 1kV 1 1 1 1 Performance Codes 1 PASS Normal operation no effect 2 PASS Temporary degradation self recoverable 3 PASS Temporary degradation operator intervention required 4 FAIL Not recoverable component damage 2 Notes None ...

Page 69: ... rated current voltage and specified type normal blow time delay etc should be used Do not use repaired fuses or short circuited fuseholders To do so could cause a shock of fire hazard Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any service unless qualified to do so Do not attempt internal service or adjustment unless another person capab...

Page 70: ...ewlett Packard specifically disclaims the implied warranties of merchantability or fitness for a particular purpose Exclusive Remedies The remedies provided herein are the buyer s sole and exclusive remedies Hewlett Packard shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Assistance Product maintenance ...

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