Index

A

Access Help

62

 

 

adapter

 

 

 

connectors

25

 

 

installing

25

 

 

peripheral component interconnect (PCI) 14

antivirus software, updating

9

arranging your workspace

1

audio line in connector

19

 

audio line out connector

19

audio subsystem 12

 

 

B

battery, changing 33

BIOS, updating (flashing) 49 Boot-block recovery 50

C

cables, connecting 35 changing

startup device sequence 47 changing the battery 33 closing the cover 35 CMOS, clearing 34 components, internal 21 computer

connecting 3 shutting down 9 turning on computer 8

connecting drives 29 connector description 19 connectors

front 17 rear 18

cover closing 35 opening 20

Customer Replacement Units (CRUs) 62 Customer Support Center 63

D

device drivers 19

diagnostic

 

CD image

8, 55, 56

diskettes

8, 55, 56

PC-Doctor for DOS 54, 55

PC-Doctor for Windows 54, 55

PC-Doctor for Windows PE 54, 57

programs

54, 63

Rescue and Recovery workspace 56, 57

diagnostic CD image

creating

55

running

56

diagnostic diskettes

creating

56

running

56

© Lenovo 2005, 2007. Portions © IBM Corp. 2005.

drives bays 27 internal 26 specifications 27

dual inline memory modules (DIMMs) 24

E

environment, operating 15 Ethernet 12

Ethernet connector 19 exiting, Setup Utility 48 expansion adapters 13 external options 17

F

features 11

H

help and service 62

I

information resources 61 input/output (I/O) features 12 installing

operating system 9 software 8

installing options adapters 25 internal drives 26 memory modules 24 security features 32

internal drives 12

L

Lenovo Web site 62 locating components 21

M

memory installing 24

modem commands Basic AT 65 Extended AT 67 Fax Class 1 69 Fax Class 2 69 MNP/V.42/V.42bis/V.44 68 Voice 70

mouse, cleaning non-optical 58 optical mouse 57

75

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Lenovo 9645, 9638, 9643, 9644, 9640, TC A55-9636 manual Index

TC A55-9636, 9640, 9645, 9644, 9643 specifications

Lenovo has consistently been at the forefront of innovation in the computing world, with a range of laptops and desktops that cater to a variety of needs and preferences. Among their popular offerings are the Lenovo 9640, 9643, TC A55-9636, 9644, and 9645. Each of these models is designed to provide exceptional performance, reliability, and user-friendly experience, making them appealing choices for both personal and business use.

The Lenovo 9640 is renowned for its sleek design and powerful performance. This model is equipped with the latest Intel processors, ensuring smooth multitasking and efficient power consumption. It features a vibrant display that provides excellent color accuracy and vivid visuals, making it ideal for content creators and casual users alike. With ample storage options and high-speed SSD configurations, users can expect fast boot times and quick file access.

Similarly, the Lenovo 9643 builds on this legacy, offering enhanced graphics capabilities with dedicated GPU options. This feature is particularly beneficial for gamers and professionals who rely on graphical performance for tasks such as video editing or 3D modeling. The 9643 also emphasizes connectivity, providing a range of ports, including USB-C, HDMI, and Ethernet, ensuring users can easily connect to peripherals and networks.

The TC A55-9636 is Lenovo's entry into the compact desktop market, designed for users seeking a powerful, space-saving solution. With its robust performance metrics and energy-efficient components, the A55-9636 is perfect for both home and office environments. It supports a variety of multitasking scenarios, making it suitable for productivity-driven tasks, while its expandable architecture means users can upgrade components as their needs evolve.

The Lenovo 9644 and 9645 round out this impressive lineup with their focus on business-centric features. These models provide enhanced security options, including fingerprint readers and TPM chips, catering to enterprises that prioritize data protection. With long battery life and solid build quality, both models promise durability and reliability, critical for professionals who are always on the go.

All models in this series showcase Lenovo's commitment to sustainability, incorporating eco-friendly materials and energy-efficient technologies. The user-friendly interfaces across the devices ensure a seamless experience, meeting the demands of a broad user base from students to business executives. In summary, the Lenovo 9640, 9643, TC A55-9636, 9644, and 9645 represent a versatile range of computing solutions that combine cutting-edge technology with efficiency, ensuring users can achieve their goals effectively and stylishly.