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Lenovo ThinkPad i Series 1400 Hardware Maintenance Manual (August 1999) - Page 45

Error, Message, FRU/Action in Sequence, Enter BIOS Utility - cmos battery

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Page 45 highlights

Error Code 050 054 056 070 071 072 Message FRU/Action in Sequence IDE Drive 0 Error IDE Drive(s) Disabled IDE Drive 0 Auto Detection Failed Real Time Clock Error CMOS Battery Bad CMOS Checksum Error Ensure the hard disk drive is set to [Auto] in the "Basic System Settings" menu of the BIOS Utility. Hard disk connection board Hard disk drive System board Ensure the hard disk drive is not set to [None] in the "Basic System Settings" menu of the BIOS Utility. Hard disk drive cable Hard disk drive Ensure the hard disk drive is set to [Auto] in the "Basic System Settings" menu of the BIOS Utility. Hard disk connection board Hard disk drive System board Reset time in the "Basic System Settings" menu of the BIOS Utility. Backup battery (RTC battery) System board Enter BIOS Utility and execute "Load Setup Default Settings". Backup battery (RTC battery) System board Enter BIOS Utility and execute "Load Setup Default Settings"; then reboot the system. Backup battery (RTC battery) System board ThinkPad i Series 1400 (Part I) 37

Section	Page
Title	1
Preface	3
Introduction	9
Important Service Information	9
FRU Replacement Strategy	9
Hard Disk Drive Replacement Strategy:	10
How to Use Error Messages	10
How to Read POST Error Messages	10
Drive and Diskette Compatibility Matrix	11
Safety Notices (Multi-lingual Translations)	12
Safety Information	19
General Safety	19
Electrical Safety	20
Safety Inspection Guide	21
Handling Electrostatic Discharge-Sensitive Devices	22
Grounding Requirements	23
Laser Compliance Statement	24
ThinkPad i Series 1400 Hardware Maintenance Manual (Part I)	27
Read This First	28
How to Use Error Messages	28
How to Diagnose Mulitple FRUs	28
What to Do First	28
Screw Notices	30
Power-On and Setup Password	31
Check Procedures	32
Power Systems Check	33
System Board Check	35
Memory Check	35
Keyboard and External Input Device Check	36
Audio Function Check	37
TrackPoint IV Check	37
Diskette Drive Check	38
CD-ROM Drive Check	38
Modem Board Check	39
BIOS Utility	40
Navigating the BIOS Utility	41
Power Management Features	42
Screen Blanking Mode	42
Standby Mode	42
Hibernation Mode	43
Symptom-to-FRU Index	44
Numeric Error Codes and Messages	44
Beep Symptoms	46
No Beep Symptoms	46
Keyboard/TrackPoint-Related Symptoms	48
LCD-Related Symptoms	48
Power-Related Symptoms	50
Memory-Related Symptoms	50
Audio-Related Symptoms	51
PC Card (PCMCIA)-Related Symptoms	51
Power Management-Related Symptoms	51
Peripheral-Device-Related Symptom	52
Modem-Related Symptoms	52
Intermittent Problems	53
Undetermined Problems	53
Related Service Procedures	55
Flash Memory Update	55
Status Indicators	55
Power Switch	57
Diagnostic Program Diskette	57
Utility Program Diskette	62
Fn Key Combinations	63
Product Overview	64
FRU Removals and Replacements	65
Before FRU Removals and Replacements	67
Battery Assembly	68
DIMM and DIMM Cover	69
Modem Board Cover and Modem Board	70
Keyboard	71
Hard Disk Drive and HDD Heatsink	73
Hard Disk Drive	74
PCMCIA Holder	75
TrackPoint Board	76
Processor Heatsink	77
Processor EMI Bracket and Processor Board	78
RTC Battery (Backup Battery)	79
LCD Assembly	80
Upper Cover (Keyboard Bezel)	81
CD Control Card	83
Modem Connector (RJ11 Cable Assembly)	84
DC/DC Charger	85
Audio Cable and Speaker Cable	86
Audio PCB	87
Fan Assembly	88
Audio Connection Board	89
Diskette and CD-ROM Drives Assembly	90
CD-ROM Module	91
Diskette Drive with Bezel	92
System Board	93
LCD Front Cover	94
Speakers	95
Inverter	96
Indicator Board and Microphone Cable Assembly	97
Hinge	98
LCD Panel and LCD Cable	99
Locations	101
Front View	101
Bottom View	102
Rear View	102
Switch Locations	103
System Unit Parts Listing	104
LCD Unit Parts Listing	107
12.1\	107
13.3\	109
Miscellaneous Parts	111
Service Tools	111
Others	112
ThinkPad i Series 1400 Hardware Maintenance Manual (Part II)	113
Read This First	114
How to Use Error Messages	114
How to Diagnose Mulitple FRUs	114
What to Do First	114
Screw Notices	116
Power-On and Setup Password	117
Check Procedures	118
Power Systems Check	119
System Board Check	121
Memory Check	121
Keyboard and External Input Device Check	122
Audio Function Check	123
TrackPoint IV Check	123
Diskette Drive Check	124
CD-ROM/DVD-ROM Drive Check	124
Modem Board Check	125
BIOS Utility	126
Navigating the BIOS Utility	127
Power Management Features	128
Screen Blanking Mode	128
Standby Mode	128
Hibernation Mode	129
Symptom-to-FRU Index	130
Numeric Error Codes and Messages	130
Beep Symptoms	132
No Beep Symptoms	132
Keyboard/TrackPoint-Related Symptoms	133
LCD-Related Symptoms	133
Indicator-Related Symptoms	136
Power-Related Symptoms	136
Memory-Related Symptoms	136
Audio-Related Symptoms	137
PC Card (PCMCIA)-Related Symptoms	137
Power Management-Related Symptoms	137
Peripheral Device-Related Symptoms	138
Modem-Related Symptoms	139
Intermittent Problems	139
Undetermined Problems	139
Related Service Procedures	141
Flash Memory Update	141
Status Indicators	141
Power Switch	143
Diagnostic Program Diskette	143
Maintenance Program Diskette	144
Fn Key Combinations	146
Product Overview	147
FRU Removals and Replacements	148
Before FRU Removals and Replacements	149
Battery Assembly	150
DIMM and DIMM Cover	151
Modem Board Cover and Modem Board	152
Keyboard	153
Processor Thermal Plate	155
RTC Battery, Processor EMI Shield and Hard Disk Drive	156
PCMCIA Holder	158
LCD Assembly	159
Upper Cover (Keyboard Bezel)	161
CD Control Card	163
TrackPoint Board and Modem	164
DC/DC Charger	165
Audio Connector Board and S-Video PCB	166
Audio Cable and Speaker Cable	167
Audio PCB	169
Fan Assembly	170
Diskette and CD-ROM/DVD-ROM Drives Assembly	171
CD-ROM/DVD-ROM Module	172
Diskette Drive with Bezel	173
System Board	174
LCD Front Cover (12.1-inch)	175
Speakers	176
Indicator Board and Microphone Cable Assembly	176
LCD Panel, LCD Cable and Inverter	177
Hinge	179
LCD Front Cover (14.1-inch)	180
Speakers	181
Indicator Board and Microphone Cable Assembly	181
LCD Panel, LCD Cable and Inverter	182
Locations	186
Front View	186
Bottom View	187
Rear View	187
Switch Locations	188
System Unit Parts Listing	189
LCD Unit Parts Listing	194
12.1\	194
14.1\	196
Miscellaneous Parts	198
Telephone/Modem	199
Power Cord	200
Notices	201