Contents
Contents . . . . . . . . . . . . . . . . . i
Safety . . . . . . . . . . . . . . . . . . v
Safety statements . . . . . . . . . . . . . . . vi
Chapter 1. Start here . . . . . . . . . . 1
Diagnosing a problem . . . . . . . . . . . . . 1
Undocumented problems . . . . . . . . . . . . 3
Chapter 2. The Lenovo System
x3550 M3 server . . . . . . . . . . . . . 5
Related documentation . . . . . . . . . . . . . 5
Notices and statements in this document . . . . . . 6
Features and specifications . . . . . . . . . . . 6
Server controls, LEDs, and power. . . . . . . . . 9
Front view . . . . . . . . . . . . . . . 10
Operator information panel . . . . . . . . 11
Light path diagnostics panel . . . . . . . . 12
Rear view . . . . . . . . . . . . . . . 13
Server power features . . . . . . . . . . 15
Internal LEDs, connectors, and jumpers . . . . . 16
System-board internal connectors. . . . . . 17
System-board external connectors . . . . . 17
System-board switches and jumpers. . . . . 18
System-board LEDs . . . . . . . . . . . 21
System-board optional device connectors . . 22
Chapter 3. Diagnostics . . . . . . . . 25
Diagnostic tools. . . . . . . . . . . . . . . 25
Event logs . . . . . . . . . . . . . . . . . 26
Viewing event logs from the Setup utility . . . 26
Viewing event logs without restarting the
server . . . . . . . . . . . . . . . . . 26
Clearing the error logs . . . . . . . . . . 27
Error messages . . . . . . . . . . . . . . . 28
System event log . . . . . . . . . . . . 28
POST . . . . . . . . . . . . . . . . . 305
Diagnostic programs and messages . . . . . 318
Checkout procedure . . . . . . . . . . . . . 359
About the checkout procedure . . . . . . . 359
Performing the checkout procedure . . . . . 359
Troubleshooting tables . . . . . . . . . . . . 360
DVD drive problems . . . . . . . . . . . 360
General problems . . . . . . . . . . . . 361
Hard disk drive problems . . . . . . . . . 362
Hypervisor problems . . . . . . . . . . . 364
Intermittent problems. . . . . . . . . . . 365
Keyboard, mouse, or pointing-device
problems . . . . . . . . . . . . . . . 366
Memory problems . . . . . . . . . . . . 367
Microprocessor problems . . . . . . . . . 369
Monitor and video problems . . . . . . . . 370
Optional-device problems . . . . . . . . . 372
Power problems . . . . . . . . . . . . . 373
Serial-device problems . . . . . . . . . . 377
ServerGuide problems . . . . . . . . . . 378
Software problems. . . . . . . . . . . . 379
Universal Serial Bus (USB) port problems . . . 380
Video problems . . . . . . . . . . . . . 380
Light path diagnostics . . . . . . . . . . . . 381
Light path diagnostics LEDs . . . . . . . . 384
Power-supply LEDs . . . . . . . . . . . . . 391
AC power-supply LEDs . . . . . . . . . . 392
DC power-supply LEDs . . . . . . . . . . 393
System pulse LEDs . . . . . . . . . . . . . 394
Recovering the server firmware. . . . . . . . . 395
In-band manual recovery method . . . . . . 396
In-band automated boot recovery method . . 398
Out-of-band method . . . . . . . . . . . 398
Automated boot recovery (ABR) . . . . . . . . 398
Nx boot failure . . . . . . . . . . . . . . . 399
Solving power problems . . . . . . . . . . . 399
Solving Ethernet controller problems . . . . . . 399
Solving undetermined problems . . . . . . . . 400
Problem determination tips . . . . . . . . . . 401
Chapter 4. Parts listing, Lenovo
System x3550 M3 Type 4254 and
7944 . . . . . . . . . . . . . . . . . . 403
Replaceable server components . . . . . . . . 403
Consumable parts . . . . . . . . . . . . 409
Product recovery CDs . . . . . . . . . . . . 410
Power cords . . . . . . . . . . . . . . . . 414
Chapter 5. Removing and replacing
components . . . . . . . . . . . . . . 417
Installation guidelines . . . . . . . . . . . . 417
System reliability guidelines . . . . . . . . 418
Working inside the server with the power
on . . . . . . . . . . . . . . . . . . 419
Handling static-sensitive devices . . . . . . 419
Returning a device or component . . . . . . 420
Internal cable routing and connectors . . . . . . 420
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