IBM 7870B4U Service Manual page 6

Network connection problems .
Optional-device problems .
Power error messages
Power problems . .
Removable-media drive problems
ServerGuide problems .
Software problems. .
Universal Serial Bus (USB) port problems .
Light path diagnostics .
Viewing the light path diagnostics LEDs in the
blade server . . . .
Blade server light path diagnostics LEDs .
Viewing the light path diagnostics LEDs in the
BladeCenter GPU expansion unit .
BladeCenter GPU expansion unit light path
diagnostics LEDs . .
Dynamic system analysis diagnostic programs and
messages . . . . . .
Running the diagnostic programs
Diagnostic text messages
Viewing the test log .
Diagnostic messages .
IMM self tests . . . .
Broadcom Ethernet device tests .
CPU stress tests . . .
Memory self tests . . .
Optical drive self tests .
Storage drive self tests .
Tape alert flags . . . .
Recovering from a UEFI update failure .
In-band manual recovery method
Out-of-band manual recovery method .
In-band automated boot recovery method .
Out-of-band automated boot recovery method
Service processor (IMM) error codes.
Solving SAS hard disk drive problems .
Solving shared BladeCenter resource problems .
Keyboard or mouse problems .
Media tray problems .
Network connection problems .
Power problems . .
Video problems. . .
iv
BladeCenter HS22 Type 7870, 1936, and 1911: Problem Determination and Service Guide
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226
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. 227
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Solving undetermined problems .
Problem determination tips.
Appendix. Getting help and technical
assistance. . . . . . . . . . . . . 235
Before you call . . . .
Using the documentation .
Getting help and information from the World Wide
Web . . . . . . .
Software service and support .
Hardware service and support
IBM Taiwan product service .
Notices . . . . . . . . . . . . . . 239
Trademarks . . . . .
Important notes . . .
Particulate contamination .
Documentation format .
Electronic emission notices .
Federal Communications Commission (FCC)
statement. . . . .
Industry Canada Class A emission compliance
statement. . . . .
Avis de conformité à la réglementation
d'Industrie Canada .
Australia and New Zealand Class A statement
European Union EMC Directive conformance
statement. . . . .
Germany Class A statement
Japan VCCI Class A statement.
Japan Electronics and Information Technology
Industries Association (JEITA) statement .
Korea Communications Commission (KCC)
statement. . . . .
Russia Electromagnetic Interference (EMI) Class
A statement . . . .
People's Republic of China Class A electronic
emission statement .
Taiwan Class A compliance statement .
Index . . . . . . . . . . . . . . . 247
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243
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