Diagnostic Information for Micro Channel Bus Systems Version 4.3.3
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IBM RS/6000 Diagnostic Information for Micro Channel Bus Systems Version 4.3.3 SA38-0532-05 Sixth Edition (September, 1999) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: THIS PUBLICATION IS PROVIDED “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. The manufacturer may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time, without notice. 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Contents About this Book ......................................... xv Audience Description . xv How This Book is Organized ................................... xv How to Use This Book ...................................... xv Trademarks . xv ISO 9000 . xvi Online Publications . xvi Related Publications . xvi Chapter 1. Maintenance Analysis Procedures (MAPs) ................ 1-1 Using the Maintenance Analysis Procedures ........................ 1-1 Service Hints . 1-1 System Halts with 221 in the Operator Panel Display. ................. 1-1 System Halts with 292 in the Operator Panel Display. ................. 1-1 Operator Panel Display Codes 225, 235, 245 and 255 ................. 1-1 Service Request Numbers (SRNs) 101-245 and 101-255 ............... 1-2 Service Request Number (SRN) 834-990 ......................... 1-2 Service Request Number (SRN) 850-920 ......................... 1-2 Service Request Numbers (SRNs) 866-130, 866-131, 866-191, 866-211 ...... 1-3 Service Request Number (SRN) 869-210 ......................... 1-4 SRN and Failing Function Code (FFC) discrepancies .................. 1-5 Using Concurrent Mode Diagnostics ............................ 1-5 Using the Diskette Package ................................ 1-6 Drawer/Deskside Unit Documentation ........................... 1-6 Chapter 2. Start of Call MAP ................................ 2-1 Purpose of This MAP .................................... 2-1 Fast Path MAP Table of Contents ............................. 2-2 Fast Path Table ......................................... 2-3 Chapter 3. MAP 0020: Problem Determination Procedure .............. 3-1 Purpose of This MAP .................................... 3-1 Step 0020-1 . 3-1 Step 0020-2 . 3-1 Step 0020-3 . 3-2 Step 0020-4 . 3-4 Step 0020-5 . 3-5 Step 0020-6 . 3-6 Step 0020-7 . 3-6 Step 0020-8 . 3-7 Step 0020-9 . 3-7 Step 0020-10 . 3-8 Step 0020-11 . 3-10 Step 0020-12 . 3-10 Step 0020-13 . 3-10 Step 0020-14 . 3-11 Step 0020-15 . 3-12 Step 0020-16 . 3-13 Step 0020-17 . 3-13 Step 0020-18 . 3-13 Preface iii Step 0020-19 . 3-15 Step 0020-20 . 3-15 Step 0020-21 . 3-15 Step 0020-22 . 3-16 Step 0020-23 . 3-16 Chapter 4. MAP 0030: Additional Problem Determination .............. 4-1 Purpose of This MAP .................................... 4-1 Step 0030-1 . 4-1 Step 0030-2 . 4-1 Step 0030-3 . 4-2 Step 0030-4 . 4-2 Step 0030-5 . 4-2 Step 0030-6 . 4-3 Step 0030-7 . 4-3 Step 0030-8 . 4-3 Step 0030-9 . 4-4 Step 0030-10 . 4-7 Step 0030-11 . 4-7 Step 0030-12 . 4-8 Chapter 5. MAP 0040: Intermittent Problem Isolation ................. 5-1 Purpose of This MAP .................................... 5-1 How to Use This MAP .................................... 5-1 Hardware Symptoms . 5-1 Chapter 6. MAP 0050: SCSI Problems Isolation Procedure ............. 6-1 Purpose of This MAP .................................... 6-1 Step 0050-1 . 6-1 Step 0050-2 . 6-2 Step 0050-3 . 6-3 Step 0050-4 . 6-3 Step 0050-5 . 6-4 Step 0050-6 . 6-6 Step 0050-7 . 6-12 Single-Ended Device: Differential Bus Prohibition ................... 6-14 Chapter 7. MAP 0051: SCSI-2 Fast/Wide Adapter/A Problem Isolation Procedure 7-1 Purpose of This MAP .................................... 7-1 Step 0051-1 . 7-2 Step 0051-2 . 7-2 Step 0051-3 . 7-3 Step 0051-4 . 7-3 Step 0051-5 . 7-4 Step 0051-6 . 7-5 Step 0051-7 . 7-5 Step 0051-8 . 7-6 Step 0051-9 . 7-6 SCSI-2 Fast/Wide PTC Problem Isolation Procedure .................. 7-6 Internal Bus PTC Isolation Procedure ........................... 7-7 External Bus PTC Isolation Procedure .......................... 7-9 Chapter 8. MAP 0052: SCSI-2 and SCSI-2 Enhanced Differential Fast/Wide Adapter/A Problem Isolation Procedure ........................ 8-1 iv Diagnostic Information for Micro Channel Bus Systems Purpose of This MAP .................................... 8-1 Step 0052-1 . 8-2 Step 0052-2 . 8-2 Step 0052-3 . 8-3 Step 0052-4 . 8-3 Step 0052-5 . 8-4 Step 0052-6 . 8-5 Step 0052-7 . 8-5 Step 0052-8 . 8-6 Step 0052-9 . 8-6 SCSI-2 Differential Fast/Wide Adapter/A PTC Failure Isolation .............. 8-6 Purpose of This Procedure ................................. 8-6 Picking the Proper Procedure ............................... 8-7 Internal Bus PTC Isolation Procedure ........................... 8-7 External Bus PTC Isolation Procedure .......................... 8-9 Enhanced SCSI-2 Differential Fast/Wide Adapter/A.