PCI GRL-PCIE5-CEM-RXA User manual

Granite River Labs
GRL-PCIE5-CEM-RXA PCI Express Card Electromechanical (CEM)
5.0 (32 GT/s)
Receiver Compliance Test Automation Solution User Guide and
MOI
Using GRL-PCIE5-CEM-RXA Automation Test Software,
Anritsu MP1900A BERT,
and
High Performance Oscilloscope
Published on 29 June 2022

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GRL-PCIE5-CEM-RXA User Guide and MOI Rev7.0
© Granite River Labs 2022 Version 7.0, June 2022. Updated 06.29.2022 Page 2 of 123
DISCLAIMER
This document is provided “as is” with no warranties whatsoever, including any warranty of
merchantability, no infringement, fitness for any particular purpose, or any warranty otherwise
arising out of any proposal, specification, or sample. The GRL disclaims all liability for
infringement of proprietary rights, relating to use of information in this specification. No license,
express or implied, by estoppel or otherwise, to any intellectual property rights is granted herein.
All product names are trademarks, registered trademarks, or service marks of their respective
owners.
Copyright © 2022 Granite River Labs. All rights reserved.

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GRL-PCIE5-CEM-RXA User Guide and MOI Rev7.0
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TABLE OF CONTENTS
1INTRODUCTION 11
2RESOURCE REQUIREMENTS 12
2.1 EQUIPMENT REQUIREMENTS .................................................................................................. 12
2.2 SOFTWARE REQUIREMENTS.................................................................................................... 14
3SETTING UP GRL-PCIE5-CEM-RXA AUTOMATION SOFTWARE 15
3.1 DOWNLOAD GRL-PCIE5-CEM-RXA SOFTWARE....................................................................... 15
3.2 LAUNCH AND SET UP SOFTWARE ............................................................................................ 15
3.3 PRE-CONFIGURE SOFTWARE BEFORE CALIBRATION/TESTING ...................................................... 18
3.3.1 Enter Test Session Information ............................................................................... 18
4CALIBRATING USING GRL-PCIE5-CEM-RXA SOFTWARE 19
4.1 SET UP AUTOMATED RX CALIBRATION FOR TP3 ........................................................................ 20
4.1.1 TP3 Calibration Setup with Tektronix ATI Based Oscilloscope.............................. 20
4.2 SET UP AUTOMATED RX CALIBRATION FOR TP2 ........................................................................ 22
4.2.1 Connect Equipment for System Board Calibration ................................................ 22
4.2.2 Connect Equipment for Add-In Card Calibration.................................................... 24
4.3 SET MEASUREMENT CONDITIONS............................................................................................ 25
4.4 SET UP CALIBRATION REQUIREMENTS ..................................................................................... 26
4.4.1 Setup Tab ................................................................................................................. 26
4.5 SELECT PCIE CEM 5.0 RX CALIBRATION.................................................................................. 27
4.5.1 Select to Perform TP3 Calibration........................................................................... 27
4.5.2 Select to Perform Long Channel TP2 Calibration................................................... 27
4.6 CONFIGURE CALIBRATION PARAMETERS ................................................................................... 28
4.7 CONFIGURE CALIBRATION TARGET VALUES ............................................................................... 31
4.8 RUN AUTOMATION CALIBRATION............................................................................................. 32
5TESTING USING GRL-PCIE5-CEM-RXA SOFTWARE 34
5.1 OVERVIEW OF DUT TX PRESET TEST ....................................................................................... 34
5.1.1 Add-In Card Tx Preset Test at 32.0 GT/s .................................................................. 34
5.2 OVERVIEW OF DUT INITIAL TX EQUALIZATION TEST ................................................................... 35
5.2.1 Add-In Card Initial Tx Equalization Test at 32.0 GT/s ............................................. 35
5.3 OVERVIEW OF DUT TX LINK EQUALIZATION RESPONSE TEST....................................................... 35
5.3.1 System Board Tx Link Equalization Response Test at 32.0 GT/s............................ 36

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5.3.2 Add-In Card Tx Link Equalization Response Test at 32.0 GT/s............................... 36
5.4 OVERVIEW OF DUT RX LINK EQUALIZATION TEST ...................................................................... 37
5.4.1 System Board Rx Link Equalization Test at 32.0 GT/s ............................................ 37
5.4.2 Add-In Card Rx Link Equalization Test at 32.0 GT/s................................................ 38
5.4.3 Link Training............................................................................................................. 38
5.5 SET UP AUTOMATED DUT TXRX LINK EQUALIZATION TEST......................................................... 40
5.5.1 Connect Equipment for System Board TxRx Link EQ Testing ................................ 40
5.5.2 Connect Equipment for Add-In Card TxRx Link EQ Testing.................................... 41
5.6 SET UP AUTOMATED DUT RX COMPLIANCE TEST ...................................................................... 42
5.6.1 Connect Equipment for System Board Rx Compliance Testing............................. 42
5.6.2 Connect Equipment for Add-In Card Rx Compliance Testing ................................ 43
5.7 SET UP TEST REQUIREMENTS................................................................................................. 45
5.7.1 Setup Tab ................................................................................................................. 45
5.8 SELECT PCIE CEM 5.0 RX TESTS ........................................................................................... 45
5.8.1 Select to Run DUT Link Training and Rx Compliance Test..................................... 46
5.8.2 Select to Run SJ Margin Search Test....................................................................... 46
5.9 CONFIGURE TEST PARAMETERS .............................................................................................. 47
5.10 ENABLE LOOPBACK BER TEST ............................................................................................ 50
5.11 RUN AUTOMATION TESTS ................................................................................................... 51
6INTERPRETING GRL-PCIE5-CEM-RXA TEST REPORT 53
6.1 UNDERSTAND TEST REPORT INFORMATION............................................................................... 53
6.1.1 Test Session Information......................................................................................... 53
6.1.2 Test Summary Table ................................................................................................ 54
6.1.3 Test Results .............................................................................................................. 54
6.2 DELETE TEST RESULTS .......................................................................................................... 55
7SAVING AND LOADING GRL-PCIE5-CEM-RXA TEST SESSIONS 55
8APPENDIX A: METHOD OF IMPLEMENTATION (MOI) FOR MANUAL PCIE CEM
5.0 RECEIVER MEASUREMENTS 56
8.1 PERFORM CALIBRATION......................................................................................................... 56
8.1.1 Calibration Settings ................................................................................................. 57
8.1.2 Calibration Process .................................................................................................. 57
8.1.3 Channel Loss Calibration......................................................................................... 58
8.1.4 Amplitude, Preset, SJ and RJ Calibration Setup .................................................... 60
8.1.5 Anritsu Standard BERT Device Test Application (MX190000A) Startup ................. 60
8.1.6 Amplitude Calibration Adjustment ......................................................................... 61
8.1.7 Preset Calibration Adjustment ................................................................................ 63

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8.1.8 SJ Calibration........................................................................................................... 68
8.1.9 RJ Calibration........................................................................................................... 70
8.1.10 DM & CM Amplitude and Eye Height/Eye Width Calibration Setup .................... 74
8.1.11 DM-I Calibration Adjustment................................................................................ 75
8.1.12 CM-I Calibration Adjustment ................................................................................ 76
8.1.13 EH/EW Calibration Adjustment ............................................................................ 78
8.2 PERFORM INITIAL TX EQUALIZATION & TX LINK EQUALIZATION RESPONSE TESTS............................ 81
8.2.1 Equipment Setup for Add-in Card DUT Initial Tx EQ / Tx Link EQ Response Test . 81
8.2.2 Equipment Setup for System Board DUT Tx Link EQ Response Test..................... 82
8.2.3 Initial Tx EQ Startup and Testing............................................................................. 84
8.2.4 Tx Link EQ Time Response (with Presets/Cursors) Startup and Testing ............... 87
8.3 PERFORM RX LINK EQ TEST................................................................................................... 91
8.3.1 Equipment Setup for Add-in Card DUT Loopback Test.......................................... 91
8.3.2 Equipment Setup for System Board DUT Loopback Test ...................................... 92
8.3.3 Link Training Initialization and Testing................................................................... 94
8.3.4 Link Training Failure Troubleshooting.................................................................... 96
8.4 PERFORM DUT RX COMPLIANCE TESTING ................................................................................ 97
8.4.1 Jitter Tolerance Testing (Optional) ......................................................................... 97
9APPENDIX B: RETURN PATH OPTIMIZATION USING ANRITSU J1890A PCIE5 RE-
DRIVER SET 99
9.1 REQUIREMENTS FOR USING AN EXTERNAL DRIVER (J1890A)....................................................... 99
9.2 RETURN PATH OPTIMIZATION PROCEDURE ............................................................................... 99
9.3 J1890A PCIE5 RE-DRIVER SET SETUP & CONFIGURATION....................................................... 103
9.3.1 Configuration of Re-Driver..................................................................................... 103
9.3.2 Connections............................................................................................................ 103
9.3.3 Setting of Power Supply AH54192A-01.................................................................. 104
9.3.4 Voltage Setup Steps of AH54192A-01.................................................................... 105
10 APPENDIX C: RETURN PATH OPTIMIZATION USING MACOM TECHNOLOGY
SOLUTIONS RE-DRIVER 106
10.1 REQUIREMENTS FOR USING AN EXTERNAL DRIVER (MACOM)................................................. 106
10.2 RETURN PATH OPTIMIZATION PROCEDURE.......................................................................... 106
10.3 MACOM RE-DRIVER SETUP & CONFIGURATION................................................................... 111
10.3.1 Configuration of Re-Driver.................................................................................. 111
10.3.2 Connection Diagram........................................................................................... 111
10.3.3 Operation Guide.................................................................................................. 112
10.4 EQ SETTING OPTIMIZATION.............................................................................................. 113

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GRL-PCIE5-CEM-RXA User Guide and MOI Rev7.0
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11 APPENDIX D: SIGTEST TOOL TAB 114
12 APPENDIX E: DEBUG TOOL TAB 116
13 APPENDIX F: CONNECTING KEYSIGHT OSCILLOSCOPE TO PC 120
14 APPENDIX G: CONNECTING TEKTRONIX OSCILLOSCOPE TO PC 122

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List of Figures
Figure 1. Select and Launch GRL Framework .....................................................................................15
Figure 2. Start PCIe CEM 5.0 Rx Test Application ................................................................................16
Figure 3. See License Details................................................................................................................16
Figure 4. Check License for Installed Applications .............................................................................16
Figure 5. Connect Instruments with GRL Software.............................................................................18
Figure 6. Session Info Page ..................................................................................................................18
Figure 7. Rx Calibration Diagram from PHY Test Specification..........................................................19
Figure 8. Recommended Setup for TP3 Rx Calibration ......................................................................20
Figure 9. Recommended Setup for TP3 Rx Calibration Using Tektronix ATI Scope..........................21
Figure 10. Recommended Setup for TP2 Long Channel Rx Calibration (PCIe Gen 5 System Board)22
Figure 11. Recommended Setup for TP2 Long Channel Rx Calibration (PCIe Gen 5 System Board)
Using Tektronix ATI Scope ............................................................................................................23
Figure 12. Recommended Setup for TP2 Long Channel Rx Calibration (PCIe Gen 5 Add-In Card)...24
Figure 13. Recommended Setup for TP2 Long Channel Rx Calibration (PCIe Gen 5 Add-In Card)
Using Tektronix ATI Scope ............................................................................................................25
Figure 14. Select Test Condition..........................................................................................................26
Figure 15. Set Up Calibration Requirements.......................................................................................26
Figure 16. Select Device for Calibration ..............................................................................................26
Figure 17. Select Rx Calibration...........................................................................................................27
Figure 18. Select TP3 Calibration.........................................................................................................27
Figure 19. Select Long Channel TP2 Calibration (with SigTest).........................................................28
Figure 20. Select Long Channel TP2 Calibration (with Seasim) .........................................................28
Figure 21. Calibration Parameters Configuration Page......................................................................29
Figure 22. Calibration Target Overwrite Page.....................................................................................32
Figure 23. Run Tests Page....................................................................................................................33
Figure 24. Example Connection Pop-Up Diagram for Rx TP3 Calibration .........................................33
Figure 25. Main State Diagram for Link Training and Status State Machine (from PHY Test
Specification).................................................................................................................................39
Figure 26. Polling Substate Machine (from PHY Test Specification)..................................................39
Figure 27. Recommended Setup for DUT TxRx Link EQ Testing (PCIe Gen 5 System Board) ...........40
Figure 28. Recommended Setup for DUT TxRx Link EQ Testing (PCIe Gen 5 Add-in Card)...............41
Figure 29. Recommended Setup for DUT Rx Compliance Testing (PCIe Gen 5 System Board)........43
Figure 30. Recommended Setup for DUT Rx Compliance Testing (PCIe Gen 5 Add-In Card) ...........44
Figure 31. Set Up Test Requirements..................................................................................................45

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Figure 32. Select DUT Type ..................................................................................................................45
Figure 33. Select Rx Tests.....................................................................................................................45
Figure 34. Select DUT Tx Link EQ and Rx Compliance Tests ..............................................................46
Figure 35. Select SJ Margin Search Test..............................................................................................46
Figure 36. Test Parameters Configuration Page .................................................................................47
Figure 37. Connect Equipment for Loopback BER Test......................................................................50
Figure 38. Select BER Loopback Test Method.....................................................................................50
Figure 39. Run Tests Page....................................................................................................................51
Figure 40. Example Connection Pop-Up Diagram for Rx Compliance Test .......................................52
Figure 41. Test Report Page.................................................................................................................53
Figure 42. Test Session Information Example.....................................................................................53
Figure 43. Test Summary Table Example............................................................................................54
Figure 44. Test Results Example..........................................................................................................54
Figure 45. Delete Test Results..............................................................................................................55
Figure 46. Save/Load/Create Test Sessions........................................................................................55
Figure 47. PHY Test Specification Rx Calibration Diagram for PCIe Gen 5.........................................58
Figure 48. Connection Diagram for Channel Loss Calibration (Add-In Card) ....................................59
Figure 49. Connection Diagram for Channel Loss Calibration (System Board).................................59
Figure 50. Connection Diagram for Amplitude, Preset, SJ and RJ Calibration .................................60
Figure 51. Connection Diagram for PCIe Gen 5 DM-I, CM-I and EH/EW TP2 Calibration (for System
Board) ............................................................................................................................................74
Figure 52. Connection Diagram for PCIe Gen 5 DM-I, CM-I and EH/EW TP2 Calibration (for Add-In
Card)...............................................................................................................................................75
Figure 53. Connection Diagram for PCIe Gen 5 Add-in Card DUT Initial Tx EQ / Tx Link EQ Response
Test.................................................................................................................................................81
Figure 54. Connection Diagram for PCIe Gen 5 System Board DUT Tx Link EQ Response Test........83
Figure 55. Connection Diagram for PCIe Gen 5 Add-in Card DUT Loopback Test .............................92
Figure 56. Connection Diagram for PCIe Gen 5 System Board DUT Loopback Test..........................93
Figure 57. Setup Configuration Page.................................................................................................114
Figure 58. Perform SigTest Debugging..............................................................................................114
Figure 59. Running Offline SigTest Verification ................................................................................115
Figure 60. Viewing SigTest Analysis Results......................................................................................115
Figure 61. Setup Configuration Page.................................................................................................116
Figure 62. Perform Tx Link EQ Time Response Offline Tests Debugging.........................................116
Figure 63. Initiate Tx Link EQ Time Response Preset/Cursor Test ...................................................117

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Figure 64. Running Tx Link EQ Time Response Preset/Cursor Test .................................................117
Figure 65. Viewing Tx Link EQ Time Response Preset/Cursor Test Results .....................................118
Figure 66. Viewing Tx Link EQ Time Response Preset/Cursor Test Trace for Transition Time .......119
Figure 67. Keysight Connection Expert .............................................................................................120
Figure 68. Oscilloscope’s VISA Address .............................................................................................121
Figure 69. OpenChoice Instrument Manager In Start Menu.............................................................122
Figure 70. OpenChoice Instrument Manager Menu ..........................................................................123

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List of Tables
Table 1. Equipment Requirements –Systems and Accessories.........................................................12
Table 2. Equipment Requirements –Cables.......................................................................................13
Table 3. Software Requirements .........................................................................................................14
Table 4. Calibration Parameters Description......................................................................................30
Table 5. Test Parameters Description .................................................................................................48
Table 6. Calibration Settings ...............................................................................................................57
Table 7. Calibration Targets.................................................................................................................57