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Machine Types 8255 and 8256 1 Microprocessor and heat sink 2 Heat sink fan connector 3 Memory connector 1 4 Memory connector 2 5 Memory connector 3 6 Memory connector 4 7 Power connector 8 IDE connector 9 Diskette drive connector 10 SATA IDE connectors (4) 11 Clear CMOS/Recovery jumper 12 Front panel connector 13 Front USB connectors (2) 14 CMOS battery 15 Front audio connectors 16 PCI adapter connector 17 PCI Express x16 graphics adapter connector (some models) 18 System fan connector 19 12V power connector 86 Lenovo 3000 J Series

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	8
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	12
Safety notices (multi-lingual translations)	13
Chapter 3. General information	43
The Lenovo Care program	43
Additional information resources	43
Specifications	44
Machine types 8252, 8253, 8254, 8255, 8256, 8257, 8258, and 8259	44
Machine types 8453, 8454, 8455, 8456, 8457, 8458, 8459, and 8460	45
Chapter 4. General Checkout	47
Problem determination tips	47
Chapter 5. Diagnostics using PC-Doctor for DOS	49
Starting PC-Doctor from a diagnostic diskette or CD-ROM	49
Diagnostics program download	49
Navigating through the diagnostics programs	50
Running diagnostics tests	50
Test selection	50
Test results	50
Fixed disk advanced test (FDAT)	51
Quick and Full erase - hard drive	52
Viewing the test log	54
Chapter 6. Using the Setup Utility	55
Starting the Setup Utility program	55
Viewing and changing settings	55
Using passwords	55
User Password	55
Setting, changing, and deleting a user password	55
Administrator or Supervisor Password	56
Setting, changing, and deleting an administrator/supervisor password	56
Selecting a startup device	57
Selecting a temporary startup device	57
Changing the startup device sequence	57
Exiting from the Setup Utility program	57
Chapter 7. Symptom-to-FRU Index	59
Hard disk drive boot error	59
Power Supply Problems	59
Diagnostic error codes	60
Beep symptoms	81
POST error codes	82
Miscellaneous error messages	84
Undetermined problems	85
Chapter 8. Replacing FRUs (Types 8252, 8253, 8254, 8255, 8256, 8257, 8258, and 8259)	87
Rear connectors	88
Removing the covers	88
Locations	90
Identifying parts on the system board	91
Machine Types 8252, 8253, and 8254	91
Machine Types 8255 and 8256	92
Machine Types 8257, 8258, and 8259	93
Removing and replacing the front bezel	94
Replacing a memory module	94
Replacing a PCI adapter	96
Replacing the CMOS battery	97
Replacing the power supply	98
Replacing the system board (Types 8252, 8253, 8254, 8255, and 8256)	99
Replacing the system board (Types 8257, 8258, and 8259)	102
Replacing the microprocessor (Types 8252, 8253, 8254, 8255, and 8256)	105
Replacing the microprocessor (Types 8257, 8258, and 8259)	109
Replacing the primary hard disk drive	113
Replacing an optical drive	114
Replacing the diskette drive	115
Replacing the power switch/ LED assembly	116
Replacing the front panel card assembly	117
Completing the FRU replacement.	117
Chapter 9. Replacing FRUs (Types 8453, 8454, 8455, 8456, 8457, 8458, 8459, and 8460)	119
Rear connectors	120
Removing the cover	120
Locations	121
Identifying parts on the system board	122
Machine Types 8453, 8454, and 8455	122
Machine Types 8456 and 8457	123
Machine Types 8458, 8459, and 8460	124
Removing and replacing the drive bay assembly	125
Replacing a memory module	126
Replacing a PCI adapter	127
Replacing the CMOS battery	129
Replacing the power supply	130
Replacing the system board (Types 8453, 8454, 8455, 8456, and 8457)	131
Replacing the system board (Types 8458, 8459, and 8460)	135
Replacing the microprocessor (Types 8453, 8454, 8455, 8456, and 8457)	138
Replacing the microprocessor (Types 8458, 8459, and 8460)	141
Replacing the hard disk drive	145
Replacing an optical drive	146
Replacing the diskette drive	147
Replacing the power switch/ LED assembly	148
Replacing the front panel card	149
Completing the FRU replacement.	149
Chapter 10. FRU lists	151
Machine Type 8253	151
Machine Type 8254	160
Machine Type 8255	165
Machine Type 8256	172
Machine Type 8258	177
Machine Type 8259	183
Machine Type 8454	188
Machine Type 8455	193
Machine Type 8456	198
Machine Type 8457	202
Machine Type 8459	206
Chapter 11. Additional Service Information	211
Security features	211
Hardware controlled Passwords	211
Operating system password	211
Vital product data	211
BIOS levels	211
Flash update procedures	211
Updating (flashing) BIOS from a diskette	212
Recovering from a POST/BIOS update failure	212
Power management	213
Automatic configuration and power interface (ACPI) BIOS	213
Automatic Power-On features	213
Recovering software	214
Appendix. Notices	215
Television output notice	216

Match case Limit results 1 per page

Machine

Types

8255

and

8256

±1²

Microprocessor

and

heat

sink

±11²

Clear

CMOS/Recovery

jumper

±2²

Heat

sink

fan

connector

±12²

Front

panel

connector

±3²

Memory

connector

±13²

Front

USB

connectors

(2)

±4²

Memory

connector

±14²

CMOS

battery

±5²

Memory

connector

±15²

Front

audio

connectors

±6²

Memory

connector

±16²

PCI

adapter

connector

±7²

Power

connector

±17²

PCI

Express

x16

graphics

adapter

connector

(some

models)

±8²

IDE

connector

±18²

System

fan

connector

±9²

Diskette

drive

connector

±19²

12V

power

connector

±10²

SATA

IDE

connectors

(4)

Lenovo

3000

Series