Lenovo M50e Series, A50 manual Installing memory

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The following illustration shows the locations of parts on the system board.

1 Microprocessor

11 SATA0 connector

2 DIMM connector 1

12 Front panel connector

3 DIMM connector 2

13 Clear CMOS/Recovery jumper

4 DIMM connector 3

14 Battery

5 DIMM connector 4

15 Front panel audio connector

6 Power connector

16 PCI slot 3

7 Diskette drive connector

17 PCI slot 2

8 Primary IDE connector

18 PCI slot 1

9 Secondary IDE connector

19 AGP slot (some models)

10SATA1 connector

20 12v power connector

Installing memory

Your computer has four connectors for installing dual inline memory modules (DIMMs) that provide up to a maximum of 4.0 GB of system memory.

When installing DIMMs, the following rules apply:

vSystem memory is divided into two channels (channel A and B). DIMM connectors 1 and 2 are channel A, and DIMM connectors 3 and 4 are channel B.

vIf DIMM connectors 1 and 3 (or 2 and 4) are filled with the same technology and size of memory, the system operates in dual channel mode.

vUse 2.5 V, 184-pin, double data rate synchronous dynamic random access memory (DDR SDRAM).

vUse 128 MB, 256 MB, 512 MB or 1.0 GB DIMMs in any combination.

vDIMMs are 38.1 mm (1.5 inches) in height.

Note: Only DDR SDRAM DIMMs can be used.

62User Guide

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Contents ThinkCentre Page ThinkCentre Page Contents Appendix C. Manual modem Important safety information Conditions that require immediate actionGeneral safety guidelines ServicePower cords and power adapters Extension cords and related devices Plugs and outletsBatteries CD and DVD drive safety Heat and product ventilationAdditional safety information To connect To disconnectLithium battery notice Modem safety informationConnexion Déconnexion Laser compliance statement Consignes de sécurité relatives au modemXii User Guide Overview Information resourcesIdentifying your computer Features Types 8149, 8177,Video subsystem Operating systems preinstalled varies by model type Specifications Available options Tools requiredHandling static-sensitive devices Installing external options Locating the connectors on the front of your computerLocating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system boardInstalling memory Installing adapters What to do nextWhat to do next Installing internal drives Drive specificationsInstalling a drive User Guide Connecting the first CD drive or DVD drive Installing security features Connecting a serial ATA hard disk driveIdentifying security locks Rope clipUser Guide Integrated cable lock Password protection Changing the batteryErasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Types 8126, 8174, 8175, Power supply with manual voltage selection switch Operating systems certified or tested for compatibility3 Height 398 mm 15.67 Width 180 mm 7.08 Depth 402 mm 15.82 Available options Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Obtaining device drivers Removing the cover Locating components Installing memory What to do next Installing adapters Secure the adapter with the screw as shown Drive specifications Installing a drive Connecting the first CD drive or DVD drive Installing security features 1 Rope clip 2 Integrated cable lock 3 Padlock loop Types 8126, 8174, 8175, and 8176 Integrated cable lock Password protection Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables Types 8126, 8174, 8175, and 8176 User Guide Types 8084, 8085, 8147, 8148, Internal drives Operating systems certified or tested for compatibility5 Height 413 mm 16.25 Width 191 mm 7.5 Depth 406 mm 16 Available options Installing external options Locating the connectors on the front of your computer Locating the connectors on the rear of your computer Obtaining device drivers Removing the cover Locating components Installing memory Installing adapters What to do next Installing internal drives Installing a drive Types 8084, 8085, 8147, 8148, and 8179 Connecting the first CD drive or DVD drive Installing security features Identifying security locks Types 8084, 8085, 8147, 8148, and 8179 Integrated cable lock Password protection Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables Types 8084, 8085, 8147, 8148, and 8179 User Guide Using the IBM Setup Utility program Using Security Profile by Device Administrator passwordSetting, changing, and deleting a password Selecting a startup deviceAdvanced settings Selecting a temporary startup deviceChanging the startup sequence User Guide Appendix A. Updating system programs Updating flashing Bios from a disketteUpdating flashing Bios from your operating system System programsRecovering from a POST/BIOS update failure Appendix B. Cleaning the mouse Cleaning an optical mouseCleaning a mouse with a ball User Guide Appendix C. Manual modem commands Basic AT commandsSet Tone Dial as default Low speaker volumeSet Pulse dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix C. Manual modem commands User Guide Appendix D. Customer replaceable unit CRU parts list CRU parts listUser Guide Appendix E. Notices Television output notice TrademarksIndex DrivesReplacing the cover Page Part Number 19R0764

A50, M50e Series specifications

The Lenovo A50 and M50e series represent a significant advancement in the realm of technology and innovation, catering primarily to businesses and professionals seeking reliable performance and efficiency. These desktop PCs are designed to meet the demanding needs of today's fast-paced environments, combining power, flexibility, and user-friendly features.

One of the standout characteristics of the A50 and M50e series is their compact design, which allows for easy integration into various workspaces. Their space-saving architecture makes them ideal for office settings, where space can be a premium. Despite their small footprint, these systems pack a considerable punch in terms of performance.

In terms of processing power, the A50 and M50e series are equipped with the latest Intel processors. These processors ensure seamless multitasking, enabling users to run multiple applications smoothly without experiencing lag. This capability is particularly beneficial for professionals who rely on resource-intensive software for tasks such as graphic design, data analysis, and video editing.

Storage options in the A50 and M50e series are equally impressive. Users can choose from a variety of configurations, including traditional hard disk drives (HDD) and solid-state drives (SSD). The SSD option allows for faster boot times and quicker access to files, significantly enhancing overall productivity.

Another notable feature is the systems’ support for advanced graphics. The A50 and M50e series can be equipped with dedicated graphics cards, making them suitable for creative professionals and gamers who require high-quality visuals and performance. Moreover, the series offers multiple output ports, providing flexibility for connecting various peripherals and multiple monitors.

The Lenovo A50 and M50e series also prioritize connectivity and collaboration. They come with a range of USB ports, HDMI outputs, and networking options, allowing users to easily connect to the internet and peripheral devices. This ensures that teams can work together efficiently, sharing information and resources with ease.

Furthermore, Lenovo emphasizes energy efficiency in the design of the A50 and M50e series. These systems come with features that help reduce power consumption, which not only lowers operating costs but also aligns with sustainable practices that many organizations are striving to implement.

In conclusion, the Lenovo A50 and M50e series are robust desktop solutions that offer reliability, performance, and flexibility for various professional environments. Their compact design, powerful processing capabilities, advanced graphics support, and emphasis on connectivity make them an ideal choice for businesses aiming to enhance productivity and collaboration.
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