Lenovo A70 + ThinkVision L2440p Betriebsanweisung Seite 10
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Audio subsystem
v Integrated high-definition (HD) audio
v Headphone connector and microphone connector on the front panel
v Audio line-in connector, audio line-out connector, and microphone connector on
the rear panel
Connectivity
v 10/100/1000 Mbps integrated Ethernet controller
System management features
v Ability to store the power-on self-test (POST) hardware test results
v Advanced Configuration and Power Interface (ACPI)
v Automatic power-on startup
v Desktop Management Interface (DMI)
v Intel Trusted Execution Technology (Intel TXT)
v Preboot Execution Environment (PXE)
v System Management (SM) Basic Input/Output System (BIOS) and SM software
v Wake on LAN (WOL)
v Windows Management Instrumentation (WMI)
(WMI is the infrastructure for management data and operations on Windows
operating systems.)
Input/Output (I/O) features
v Ethernet connector
v One 9-pin serial port
v Six Universal Serial Bus (USB) connectors
(two USB connectors on the front panel and four USB connectors on the rear
panel)
v Two audio connectors on the front panel
(headphone connector and microphone connector)
v Three audio connectors on the rear panel
(audio line-in connector, audio line-out connector, and microphone connector)
v VGA monitor connector on the rear panel
For more information, refer to “Locating connectors, controls, and indicators on the
front of your computer” on page 7 and “Locating connectors and parts on the rear
of your computer” on page 8.
Expansion
v One hard disk drive bay
v One optical drive bay
v One slim card reader drive bay
v One PCI card slot
v One PCI Express x16 graphics card slot
v Two PCI Express x1 card slots
Power supply
v 180-watt power supply with a manual voltage-selection switch
2 User Guide
- ThinkCentre 1
- User Guide 1
- Contents 5
- Index ...............81 6
- Important safety information 7
- Chapter 1. Product overview 9
- 2 User Guide 10
- Chapter 1. Product overview 3 11
- Specifications 12
- Software overview 12
- Chapter 1. Product overview 5 13
- Antivirus software 14
- Lenovo ThinkVantage Toolbox 14
- Adobe Reader 14
- Locations 15
- 8 User Guide 16
- Chapter 1. Product overview 9 17
- Locating components 18
- Locating internal drives 20
- © Copyright Lenovo 2010 13 21
- Installing external options 22
- Removing the computer cover 22
- 16 User Guide 24
- 18 User Guide 26
- 20 User Guide 28
- Replacing the battery 30
- 24 User Guide 32
- Replacing the microprocessor 34
- 28 User Guide 36
- Attention 37
- 30 User Guide 38
- 32 User Guide 40
- Replacing the optical drive 42
- 36 User Guide 44
- Replacing the hard disk drive 46
- Replacing the card reader 48
- 42 User Guide 50
- 44 User Guide 52
- 46 User Guide 54
- Obtaining device drivers 56
- Basic security features 56
- Integrated cable lock 57
- Password protection 58
- 52 User Guide 60
- Creating recovery media 61
- Using recovery media 62
- Performing a backup operation 63
- 56 User Guide 64
- Creating a rescue medium 65
- Using a rescue medium 66
- Solving recovery problems 67
- 60 User Guide 68
- Viewing or changing settings 69
- Using passwords 69
- Password considerations 70
- Power-on password 70
- Administrator password 70
- Selecting a startup device 71
- 64 User Guide 72
- Using system programs 73
- 66 User Guide 74
- 68 User Guide 76
- Basic troubleshooting 77
- Diagnostic programs 78
- PC-Doctor for DOS 79
- Cleaning an optical mouse 80
- Information resources 81
- Online Books folder 81
- Lenovo ThinkVantage Tools 81
- Lenovo Welcome 82
- Access Help 82
- Safety and warranty 82
- Help and service 83
- Calling for service 84
- Using other services 84
- 78 User Guide 86
- Appendix. Notices 87
- Television output notice 88
- European conformance CE mark 88
- Trademarks 88
- 82 User Guide 90
- 84 User Guide 92
- Part Number: 89Y9113 94
- Printed in USA 94
- (1P) P/N: 89Y9113 94
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