Lenovo 7Z23 GPU-Rich Rack Server Manuals

Manuals and User Guides for Lenovo 7Z23 GPU-Rich Rack Server. We have 1 Lenovo 7Z23 GPU-Rich Rack Server manual available for free PDF download: Maintenance Manual

Lenovo 7Z23 Maintenance Manual

Lenovo 7Z23 Maintenance Manual (390 pages)

Brand: Lenovo | Category: Server | Size: 41.45 MB

Table of Contents

Table of Contents
3
Safety
5
Safety Inspection Checklist
6
Chapter 1. Introduction

9
- Specifications
  9
  - General Specifications
    10
  - Specification
    14
  - SXM GPU Model Specification
    16
  - Particulate Contamination
    16
- Firmware Updates
  17
- Tech Tips
  21
- Security Advisories
  21
- Power on the Server
  22
- Power off the Server
  22
Chapter 2. Server Components

23
- The 4-DW GPU Model Front View
  24
- The 8-DW GPU Model Front View
  26
- The SXM GPU Model Front View
  29
- Rear View
  30
- Front Panel
  33
- Front I/O Module
  34
  - External LCD Diagnostics Handset
    35
- System-Board Layout
  42
  - System-Board Connectors
    42
  - System-Board Switches
    44
- Parts List
  46
- Power Cords
  63
Chapter 3. Internal Cable Routing

65
- Identifying Connectors
  66
- Routing
  73
- Routing
  89
- 8-DW GPU Model Cable Routing
  101
  - Configuration D Cable Routing
    103
  - Configuration E Cable Routing
    109
- SXM GPU Model Cable Routing
  114
  - Configuration F Cable Routing
    116
  - Configuration G Cable Routing
    122
Chapter 4. Hardware Replacement Procedures

129
- Installation Guidelines
  129
  - Safety Inspection Checklist
    130
  - System Reliability Guidelines
    131
  - Handling Static-Sensitive Devices
    131
- Server Replacement
  132
  - Remove the Server from Rack
    132
  - Install the Server to Rack
    135
- Common Components
  141
  - Air Baffle Replacement
    141
  - CMOS Battery (CR2032) Replacement
    144
- External LCD Diagnostics Handset
  147
  - Replacement
    147
  - Fan Cage Replacement
    151
  - Fan Replacement
    153
  - Flash Power Module Replacement
    155
  - Front I/O Module Replacement
    158
  - Front Panel Replacement
    163
  - Heat Sink Torx T30 Nut Replacement
    167
  - Intrusion Switch Replacement
    170
  - M.2 Backplane and M.2 Drive Replacement
    174
  - Memory Module Replacement
    180
  - Network Adapter Replacement
    187
  - OCP Ethernet Adapter Replacement
    189
  - Pcie Riser and Pcie Adapter Replacement
    191
  - Pcie Riser Board Replacement
    200
  - Power Distribution Board Replacement
    202
  - Power Supply Unit Replacement
    205
  - Processor and Heat Sink Replacement
    208
  - Serial Port Module Replacement
    220
  - System Board Replacement
    222
  - Only)
    222
  - Top Cover Replacement
    233
- Components
  235
- SXM GPU Model Components
  271
  - 2.5-Inch Hot-Swap Drive Replacement
    272
  - 2.5-Inch Drive Cage Assembly Replacement
    275
  - 2.5-Inch Drive Backplane Module Replacement
    278
  - 2.5-Inch Drive Backplane Replacement
    281
  - Front I/O Expansion Board Module
    283
  - Replacement
    283
  - Front I/O Expansion Board Replacement
    287
  - Lenovo Neptune(TM) Liquid-To-Air (L2A) Hybrid Cooling Module Replacement (Trained Technician Only)
    289
  - SXM GPU Replacement
    304
  - Only)
    304
  - SXM GPU Board Replacement
    310
  - Technician Only)
    310
  - SXM GPU Power Distribution Board
    320
  - Replacement
    320
  - Retimer Assembly Replacement
    326
- Complete the Parts Replacement
  336
Chapter 5. Problem Determination

339
- Event Logs
  339
- Light Path Diagnostics
  341
  - Front Panel
    341
  - External LCD Diagnostics Handset
    342
  - Power Supply Leds
    349
  - System-Board Leds
    350
- General Problem Determination Procedures
  353
  - Resolving Suspected Power Problems
    354
  - Resolving Suspected Ethernet Controller Problems
    354
- Troubleshooting by Symptom
  355
  - Power on and Power off Problems
    355
  - Memory Problems
    357
  - Hard Disk Drive Problems
    361
  - Monitor and Video Problems
    361
  - Keyboard, Mouse, KVM Switch or USB-Device
    363
  - Problems
    363
  - Optional-Device Problems
    363
  - Serial-Device Problems
    364
  - Intermittent Problems
    365
  - Power Problems
    366
  - Network Problems
    366
  - Observable Problems
    367
  - Software Problems
    369
Appendix A. Hardware Disassembling for Recycle

371
- Disassemble the System Board for Recycle
  371
- Disassemble the Retimer Assembly for Recycle
  373
Appendix B. Getting Help and Technical Assistance

375
- Before You Call
  375
- Collecting Service Data
  376
- Contacting Support
  377
Appendix C. Notices

379
- Trademarks
  380
- Important Notes
  380
- Telecommunication Regulatory Statement
  380
- Electronic Emission Notices
  381
  - Taiwan BSMI Rohs Declaration
    381
- Taiwan Import and Export Contact Information
  381
- Index
  383

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