Lenovo THINKSERVER 3821 User Manual

Page 298

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background image

dc power LED

130

deassertion event, system-event log

28

diagnostic

error codes

91

on-board programs, starting

90

programs, overview

90

test log, viewing

91

text message format

90

tools, overview

27

diagnostics program, preboot

15

dimensions

18

DIMM

installation

215

installation order

215

LED

85, 136

problems

68

removing

210

types and installation information

211

DIMMs

installation sequence for memory mirroring

214

display problems

70

drives

16, 18

DSA

log

28, 91

preboot messages

91

DVD

drive problems

64

drive, installing

188

error symptoms

64

DVD drive

removing

187

E

EasyLED diagnostics

about

16

installing assembly

194

LEDs

76

power-supply LEDs

88

EasyStartup

using

263

electrical input

18

electronic emission Class A notice

284

environment

18

error codes and messages

diagnostic

91

IMM

38

POST

30

error symptoms

CD-ROM drive, DVD-ROM drive

64

general

65

hard disk drive

65

intermittent

66

keyboard, non-USB

67

memory

68

microprocessor

69

monitor

70

mouse, non-USB

67

optional devices

72

pointing device, non-USB

67

power

73

error symptoms (continued)

serial port

74

software

75

USB port

75

errors

format, diagnostic code

90

messages, diagnostic

90

Ethernet

16

controller, troubleshooting

123

Ethernet connectors

130

Ethernet controller, configuring

266

event logs

27

expansion bays

18

expansion slots

18

extender card

installing

209

removing

207

external cabling

234

F

fan

LED

79

fan-cage assembly, installing

172

fan-cage assembly, removing

171

fan, installing

218

fan, removing

217

fans

17, 18

FCC Class A notice

284

features

17

remote presence

269

features and technologies

15

firmware

recovery from update failure

122

firmware updates

268

firmware, UEFI-compliant

15

firmware, updating

267

formatting a hard disk drive

260

front adapter-retention bracket

installing

181

removing

180

FRUs, installing

2.5-inch disk drive backplane

200

2.5-inch drive cage

204

extender card

209

heat-sink retention module

228

microprocessor

220

microprocessor retention module

230

operator information panel assembly

206

system board

232

FRUs, removing

2.5-inch disk drive backplane

198

2.5-inch drive cage

202

adapter

184

extender card

207

heat-sink retention module

227

microprocessor

218

microprocessor retention module

229

operator information panel assembly

205

system board

231

290

ThinkServer TD200x Types 3719, 3821, 3822, and 3823: Hardware Maintenance Manual

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