Ibm 2274 Manual do Utilizador Página 100
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66 IBM Desktop System HMM
Keyboard
001 - START
•
Power off system unit and ensure the keyboard
plug is connected properly.
002 -
•
Insert the diagnostics diskette into the diskette
drive and power on the system unit.
•
Select Interactive Tests menu, then execute
Keyboard test.
003 - DOES THE KEYBOARD FUNCTION
CORRECTLY? (YES, READ AHEAD. NO, GO TO
STEP 004.)
•
Keyboard is functioning normally.
•
End.
004 - ARE THERE ANY STUCK KEYS OR ANY
GRIME IN THE GAP OF KEYCAPS? (YES, READ
AHEAD. NO, GO TO STEP 005.)
•
Power off the system unit. Carefully remove the
grime and solve the stuck keys problem.
•
Go to step 001.
005 - ARE THERE ANY BROKEN PINS IN THE
KEYBOARD PLUG? (YES, GO TO STEP 007. NO,
READ AHEAD.)
•
Try with a known good keyboard.
006 - DOES THE ERROR SYMPTOM STILL
REMAIN? (YES, READ AHEAD. NO, GO TO STEP
007.)
•
Replace the system board.
•
End.
007 -
•
Replace the keyboard.
•
End.
- Hardware Maintenance Service 1
- Contents 3
- 100-127 V 115 V 7
- 200-240 V 230 V 7
- Safety Information 8
- 13
- Notices xxvii 27
- Laser Compliance Statement 31
- Trademarks 32
- General Information 35
- Product Overview 37
- External Port 38
- Diskette Drive 38
- Hard Disk Drive 38
- Multimedia 39
- Power Management 39
- Internal Cabling 40
- Hardware Interfaces 42
- General Information 9 43
- CMOS Reset 44
- Power-On Password 45
- Serial Number 47
- Utility Menu 48
- Changing Parameter Settings 49
- Save & Exit Settings 50
- Loading Default Settings 50
- Product Data 51
- Devices and I/O ports 51
- Serial Port Setup 52
- Parallel Port Setup 52
- USB Setup 52
- IDE Drives Setup 53
- Audio Setup 53
- Startup Options 54
- Date and Time 55
- Power-On password 55
- Keyboardless Operation 55
- Power On Self Test 55
- Advanced Setup 57
- Power Management Setup 58
- Automatic Power On 61
- ACPI Suspend Type 61
- 28 IBM Desktop System HMM 62
- S3(STR) 62
- Specifications 63
- Operating Requirements 64
- Check Procedures 65
- Codes, or Beeps 72
- 40 IBM Desktop System HMM 74
- Check Procedures 41 75
- 42 IBM Desktop System HMM 76
- Check Procedures 43 77
- 44 IBM Desktop System HMM 78
- Check Procedures 45 79
- 46 IBM Desktop System HMM 80
- Check Procedures 47 81
- 48 IBM Desktop System HMM 82
- Check Procedures 49 83
- 50 IBM Desktop System HMM 84
- Check Procedures 51 85
- 52 IBM Desktop System HMM 86
- Check Procedures 53 87
- Troubleshooting 88
- Program) 94
- 62 IBM Desktop System HMM 96
- CD/DVD-ROM Drive 97
- Keyboard 100
- Power Supply 103
- Undetermined Problems 108
- 76 IBM Desktop System HMM 110
- Diagnostic Aids 111
- Introduction 112
- Power-On Self Test 113
- Diagnostic Diskette 115
- Recovery CD 116
- Diagnostics Program Features 117
- 84 IBM Desktop System HMM 118
- Repair Information 119
- Removals and Replacements 120
- Handling ESD-Sensitive Parts 121
- Bay Panels 126
- Access) 127
- Diskette Drive) 128
- Front Panel 130
- Adapter Cards 132
- Memory(DIMM 133
- AMD K7 Duron Processor 134
- System Backup Battery 136
- Indicator LED and Cable 137
- System Board 138
- Parts/Test Point Locations 141
- System Board Jumpers and 143
- Connectors 143
- Power Supply Connectors and 145
- Voltages 145
- (Continued) 146
- Network Cards 147
- Factory-Installed Modem Card 148
- Video Cards 149
- Settings 151
- J50 Description 152
- CD-ROM Drive 153
- CD-ROM R/W Drive 156
- CD-ROM R/W Drive Rear Panel 157
- Connectors and Jumpers 157
- DVD-ROM Drive 158
- DIMM Configurations 160
- Monitor Port Signals 161
- Serial Port Signals 161
- Parallel Port Signals 162
- Mouse Port Signals 162
- Keyboard Port Signals 162
- IDE Cable Connector Signals 164
- Safety Inspection Guide 165
- General Guidelines 166
- Parts Catalog 167
- Abbreviations 168
- System Assembly 169
- Parts Catalog 137 171
- Assembly 3: CD/DVD-ROM Drive 172
- Assembly 4: Power Cord 173
- Appendix A. FRU Number List 175
- Appendix B. Online Support 177
- Information 177
- Video Cards 115 182
- Voltage Supply 182
- Switch Settings, vii 182
- Weight, 28 182
- Printed in U.S.A 183
- Old Orchard Road 183
- Armonk, New York 10504 183
- Part Number: 183
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