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Lenovo ThinkCentre A30 Hardware Maintenance Manual (HMM) for ThinkCentre 2296, - Page 36

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Type 8191 The following illustration shows the locations of the connectors on the rear of the computer. 1 Power connector 2 Serial connector (some models) 3 Mouse connector 4 Parallel connector 5 Ethernet connector 6 Audio line in connector 7 PCI slots 8 AGP slot (some models) 9 Audio line out connector 10 Microphone connector 11 USB connectors 12 VGA monitor connector 13 Serial connector 14 USB connectors 15 Keyboard connector Note: Some connectors on the rear of the computer are color-coded to help you to determine where to connect the cables on the computer. 30 Hardware Maintenance Manual

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Chapter 2. General information	9
Features	9
Physical specifications	11
Type 8316	12
Type 8191	13
Types 2296 and 8434	14
Types 8198 and 8199	15
Chapter 3. General Checkout	17
Chapter 4. IBM Enhanced Diagnostics	21
Diagnostics program download	21
Navigating through the diagnostics programs	21
Running diagnostics tests	21
Test selection	22
Test results	22
Fixed disk advanced test (FDAT)	22
Quick and Full erase - hard drive	24
Viewing the test log	25
Chapter 5. IBM Setup Utility program	27
Starting the IBM Setup Utility program	27
Viewing and changing settings	27
Exiting from the IBM Setup Utility program	28
Using passwords	28
User password	28
Administrator password	28
Setting, changing, and deleting a password	28
Using Security Profile by Device	29
Selecting a startup device	29
Selecting a temporary startup device	29
Changing the startup device sequence	29
Chapter 6. Replacing FRUs	31
Locating connectors on the front	31
Types 2296 and 8434	31
Type 8191	32
Types 8198 and 8199	33
Type 8316	33
Locating the connectors on the rear	35
Types 2296 and 8434	35
Type 8191	36
Types 8198 and 8199	37
Type 8316	38
Removing the cover	38
Types 2296 and 8434	38
Type 8191	39
Types 8198 and 8199	40
Type 8316	40
Locating components	42
Types 2296 and 8434	42
Type 8191	43
Types 8198 and 8199	44
Type 8316	45
Identifying parts on the system board (all machine types)	46
Replacing memory (all machine types)	46
Replacing adapters	47
Types 2296 and 8434	47
Type 8191	48
Types 8198 and 8199	49
Type 8316	49
Replacing internal drives	51
Types 2296 and 8434	52
Drive bay information	52
Removing a drive	53
Installing a drive	54
Type 8191	55
Drive bay information	55
Removing a drive	56
Installing a drive	56
Types 8198 and 8199	57
Drive bay information	57
Removing the drive	58
Installing a drive	59
Type 8316	60
Drive bay information	60
Removing a drive	60
Installing a drive	61
Connecting the drive	62
Replacing the battery (all machine types)	62
Replacing the power supply	63
Types 2296 and 8434	63
Type 8191	64
Types 8198 and 8199	65
Type 8316	66
Replacing a microprocessor (all machine types)	67
Replacing the system board	69
Types 2296, 8198, 8199, and 8434	69
Type 8191	69
Type 8316	70
Replacing the cover and connecting the cables	70
Types 2296 and 8434	70
Type 8191	71
Types 8198 and 8199	72
Type 8316	73
Chapter 7. Symptom-to-FRU Index	75
Hard disk drive boot error	75
Power Supply Errors	75
Diagnostic error codes	76
Beep symptoms	94
No-beep symptoms	96
POST error codes	97
Miscellaneous error messages	112
Undetermined problems	114
Chapter 8. Additional Service Information	115
Security features	115
Passwords	115
Power-on password	115
Removing a power-on password	115
Administrator password	115
Administrator password control	116
Operating system password	116
Vital product data	116
Erasing a lost or forgotten password (clearing CMOS)	116
BIOS levels	117
Flash update procedures	117
Updating (flashing) BIOS from a diskette or CD-ROM	117
Updating (flashing) BIOS from your operating system	117
Recovering from a POST/BIOS update failure	118
Power management	119
Automatic configuration and power interface (ACPI) BIOS	119
Advanced Power Management	119
Automatic Hardware Power Management features	119
Setting Automatic Hardware Power Management features	119
Automatic Power-On features	120
Product Recovery Program	121
Chapter 9. Parts listing	123
Machine Type 2296	123
Machine Type 8191	127
Machine Type 8198	135
Machine Type 8199	140
Machine Type 8316	146
Machine Type 8434	149
Chapter 10. Related service information	155
Safety information	155
General safety	155
Electrical safety	156
Safety inspection guide	157
Handling electrostatic discharge-sensitive devices	158
Grounding requirements	159
Safety notices (multi-lingual translations)	159
Send us your comments!	188
Problem determination tips	189
Notices	189

Match case Limit results 1 per page

Type

8191

The

following

illustration

shows

the

locations

the

connectors

the

rear

the

computer.

±1²

Power

connector

±9²

Audio

line

out

connector

±2²

Serial

connector

(some

models)

±10²

Microphone

connector

±3²

Mouse

connector

±11²

USB

connectors

±4²

Parallel

connector

±12²

VGA

monitor

connector

±5²

Ethernet

connector

±13²

Serial

connector

±6²

Audio

line

connector

±14²

USB

connectors

±7²

PCI

slots

±15²

Keyboard

connector

±8²

AGP

slot

(some

models)

Note:

Some

connectors

the

rear

the

computer

are

color-coded

help

you

determine

where

connect

the

cables

the

computer.

Hardware

Maintenance

Manual