Lenovo ThinkSystem SR670 V2 - Page 4

4-DW GPU Model / 8-DW GPU Model
components . . . . . . . . . . . . . . . . 227
2.5-/3.5-inch hot-swap drive replacement. . . 228
2.5-/3.5-inch drive backplane replacement . . 232
2.5-/3.5-inch drive cage assembly
replacement . . . . . . . . . . . . . . 236
EDSFF hot-swap drive replacement . . . . . 239
EDSFF drive backplane replacement. . . . . 244
EDSFF drive cage assembly replacement . . . 246
Front I/O expansion board replacement . . . 248
GPU adapter replacement . . . . . . . . . 250
GPU distribution board replacement . . . . . 255
GPU adapter link bridge replacement . . . . 260
SXM GPU Model components . . . . . . . . . 263
2.5-inch hot-swap drive replacement . . . . 264
2.5-inch drive cage assembly replacement . . 267
2.5-inch drive backplane module
replacement . . . . . . . . . . . . . . 270
2.5-inch drive backplane replacement . . . . 273
Front I/O expansion board module
replacement . . . . . . . . . . . . . . 275
Front I/O expansion board replacement . . . 279
Lenovo Neptune(TM) liquid-to-air (L2A) hybrid
cooling module replacement (trained
technician only) . . . . . . . . . . . . . 281
SXM GPU replacement (trained technician
only) . . . . . . . . . . . . . . . . . 296
SXM GPU board replacement (trained
technician only) . . . . . . . . . . . . . 302
SXM GPU power distribution board
replacement . . . . . . . . . . . . . . 312
Retimer assembly replacement . . . . . . . 318
Complete the parts replacement . . . . . . . . 328
Chapter 5. Problem
determination . . . . . . . . . . . . . 331
Event logs . . . . . . . . . . . . . . . . . 331
Light Path Diagnostics . . . . . . . . . . . . 333
Front panel . . . . . . . . . . . . . . . 333
External LCD diagnostics handset. . . . . . 334
Power supply LEDs . . . . . . . . . . . 341
System-board LEDs . . . . . . . . . . . 342
General problem determination procedures . . . . 345
Resolving suspected power problems . . . . 346
Resolving suspected Ethernet controller
problems . . . . . . . . . . . . . . . 346
Troubleshooting by symptom: . . . . . . . . . 347
Power on and power off problems . . . . . . 347
Memory problems . . . . . . . . . . . . 349
Hard disk drive problems . . . . . . . . . 353
Monitor and video problems . . . . . . . . 353
Keyboard, mouse, KVM switch or USB-device
problems . . . . . . . . . . . . . . . 355
Optional-device problems . . . . . . . . . 355
Serial-device problems . . . . . . . . . . 356
Intermittent problems. . . . . . . . . . . 357
Power problems . . . . . . . . . . . . . 358
Network problems . . . . . . . . . . . . 358
Observable problems. . . . . . . . . . . 359
Software problems. . . . . . . . . . . . 361
Appendix A. Hardware
disassembling for recycle . . . . . . . 363
Disassemble the system board for recycle . . . . 363
Disassemble the retimer assembly for recycle . . . 365
Appendix B. Getting help and
technical assistance . . . . . . . . . . 367
Before you call . . . . . . . . . . . . . . . 367
Collecting service data . . . . . . . . . . . . 368
Contacting Support . . . . . . . . . . . . . 369
Appendix C. Notices. . . . . . . . . . 371
Trademarks . . . . . . . . . . . . . . . . 372
Important notes . . . . . . . . . . . . . . . 372
Telecommunication regulatory statement. . . . . 372
Electronic emission notices . . . . . . . . . . 373
Taiwan BSMI RoHS declaration . . . . . . . 373
Taiwan import and export contact information . . . 373
Index . . . . . . . . . . . . . . . . . . 375
ii ThinkSystem SR670 V2 Maintenance Manual