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Lenovo ThinkCentre A70 Hardware Maintenance Manual for ThinkCentre A70 - Page 76

Locating internal drives - 7099 recovery media

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Figure 4. System board part locations 1 Microprocessor 2 Microprocessor fan connector 3 Memory slots (2) 4 24-pin power connector 5 Front panel connector 6 SATA connectors (3) 7 Clear CMOS (Complementary Metal Oxide Semiconductor) /Recovery jumper 8 USB connector 9 USB connector 10 Battery 11 Front audio connector 12 PCI card slot 13 PCI Express x1 card slots (2) 14 PCI Express x16 graphics card slot 15 System fan connector 16 4-pin power connector Locating internal drives Internal drives are devices that your computer uses to read and store data. You can add drives to your computer to increase storage capacity and enable your computer to read other types of media. Internal drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on. When installing or replacing an internal drive, it is important to note the type and size of the drive that you can install or replace in each bay and correctly connect the cables to the drive installed. Refer to the appropriate section in Chapter 8 "Replacing FRUs (Machine Types: 0864, 7099, and 7846.)" on page 67 for instructions on how to install or replace internal drives for your computer. Figure 5 "Drive bay locations" on page 71 shows the locations of the drive bays in your computer. 70 ThinkCentre Hardware Maintenance Manual

Section	Page
Chapter 1. About this manual	7
Important safety information	7
Important information about replacing RoHS compliant FRUs	7
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
Lenovo ThinkVantage Tools	35
ThinkVantage Productivity Center	35
Lenovo Welcome	35
Lenovo Solution Center	36
SimpleTap	36
Additional information resources	36
Specifications	36
For machine types: 0864, 7099, and 7846.	36
For machine types: 0889, 5023, and 7844.	37
Chapter 4. General checkout	39
Problem determination tips	39
Chapter 5. Diagnostic programs	41
Lenovo ThinkVantage Toolbox	41
Lenovo Solution Center	41
PC-Doctor for Rescue and Recovery	42
PC-Doctor for DOS	42
Creating a diagnostic disc	42
Running the diagnostic program from the diagnostic disc	42
Navigating through the diagnostic programs	43
Running tests	43
Viewing the test log	44
Chapter 6. Using the Setup Utility	45
Starting the Setup Utility program	45
Viewing or changing settings	45
Using passwords	45
Password considerations	46
Power-on password	46
Administrator password	46
Setting, changing, or deleting a password	46
Enabling or disabling a device	46
Selecting a startup device	47
Selecting a temporary startup device	47
Viewing or changing the startup device sequence	47
Exiting the Setup Utility program	48
Chapter 7. Symptom-to-FRU index	49
Hard disk drive boot error	49
Power Supply Problems	49
Diagnostic error codes	49
Beep symptoms	67
POST error codes	68
Miscellaneous error messages	69
Undetermined problems	71
Chapter 8. Replacing FRUs (Machine Types: 0864, 7099, and 7846.)	73
Locating connectors, controls, and indicators on the front of your computer	73
Locating connectors and parts on the rear of your computer	74
Locating components	74
Locating parts on the system board	75
Locating internal drives	76
Removing the computer cover	77
Removing and reinstalling the front bezel	78
Installing or replacing a PCI card	80
Installing or replacing a memory module	82
Replacing the battery	84
Replacing the power supply assembly	85
Replacing the heat sink and fan assembly	87
Replacing the microprocessor	89
Replacing the optical drive	92
Replacing the hard disk drive	93
Replacing the card reader	95
Replacing the front audio and USB assembly	96
Replacing the system board	97
Completing the parts replacement	100
Chapter 9. Replacing FRUs (Machine Types: 0889, 5023, and 7844.)	103
Locating connectors, controls, and indicators on the front of your computer	103
Locating connectors and parts on the rear of your computer	104
Locating components	104
Locating parts on the system board	105
Locating internal drives	106
Removing the computer cover	107
Removing and reinstalling the front bezel	108
Accessing the system board components and drives	110
Installing or replacing a PCI card	111
Installing or replacing a memory module	113
Replacing the battery	115
Replacing the heat sink and fan assembly	116
Replacing the microprocessor	119
Replacing the power supply assembly	122
Replacing the optical drive	126
Replacing the system board	129
Replacing the hard disk drive	131
Replacing the card reader	133
Replacing the front audio and USB assembly	135
Replacing the front fan assembly	136
Completing the parts replacement	138
Chapter 10. FRU lists	141
Overall: MT 0864, 7099, and 7846.	141
Mechanical FRUs	149
Keyboard and Mouse	151
Adapters and miscellaneous FRUs	175
Power Cords	176
Recovery discs	181
Windows 7 Professional 32 Recovery CD	181
Windows 7 Professional 32 with MS office starter 2010 Recovery CD	184
Windows 7 Home Basic 32 Recovery CD	188
Windows 7 Home Basic 32 Office Starter 2010 Recovery CD	189
Windows 7 Home Premium 32 Recovery CD	190
Windows 7 Home Premium 32 Office Starter 2010 Recovery CD	191
Windows 7 Home Premium 64 Recovery CD	193
Windows 7 Home Premium 64 with MS Office Starter 2010 Recovery CD	194
Windows 7 Professional 64 Recovery CD	195
Windows 7 Professional 64 with MS office starter 2010 Recovery CD	198
Windows XP Professional Recovery CD	200
Overall: MT 0889, 5023, and 7844.	202
Mechanical FRUs	210
Keyboard and Mouse	212
Adapters and miscellaneous FRUs	234
Power Cords	235
Recovery discs	239
Windows 7 Professional 32 Recovery CD	239
Windows 7 Professional 32 with MS office starter 2010 Recovery CD	242
Windows 7 Home Basic 32 Recovery CD	245
Windows 7 Home Basic 32 Office Starter 2010 Recovery CD	246
Windows 7 Home Premium 32 Recovery CD	247
Windows 7 Home Premium 32 Office Starter 2010 Recovery CD	249
Windows 7 Home Premium 64 Recovery CD	250
Windows 7 Home Premium 64 with MS Office Starter 2010 Recovery CD	252
Windows 7 Professional 64 Recovery CD	253
Windows 7 Professional 64 Office Starter 2010 Recovery CD	255
Windows XP Professional 32 Recovery CD	258
Chapter 11. Additional service information	261
Security features	261
Hardware-controlled passwords	261
Operating system password	261
Vital Product Data	261
BIOS levels	261
Updating (flashing) the BIOS from a disc	261
Updating (flashing) the BIOS from your operating system	262
Recovering from a POST and BIOS update failure	262
Power management	263
Advanced Configuration and Power Interface (ACPI) BIOS	263
Automatic Power-On features	263
Appendix A. Notices	265
Television output notice	266
European conformance CE mark	266
Trademarks	266

Match case Limit results 1 per page

Figure 4. System board part locations

Microprocessor

USB connector

Microprocessor fan connector

Battery

Memory slots (2)

Front audio connector

24-pin power connector

PCI card slot

Front panel connector

PCI Express x1 card slots (2)

SATA connectors (3)

PCI Express x16 graphics card slot

Clear CMOS (Complementary Metal Oxide

Semiconductor) /Recovery jumper

System fan connector

USB connector

4-pin power connector

Locating internal drives

Internal drives are devices that your computer uses to read and store data. You can add drives to your

computer to increase storage capacity and enable your computer to read other types of media. Internal

drives are installed in bays. In this manual, the bays are referred to as bay 1, bay 2, and so on.

When installing or replacing an internal drive, it is important to note the type and size of the drive that you

can install or replace in each bay and correctly connect the cables to the drive installed. Refer to the

appropriate section in Chapter 8 “Replacing FRUs (Machine Types: 0864, 7099, and 7846.)” on page 67 for

instructions on how to install or replace internal drives for your computer.

Figure 5 “Drive bay locations” on page 71 shows the locations of the drive bays in your computer.

ThinkCentre Hardware Maintenance Manual