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Summary of Contents for Dell ChengMing 3991
- Page 1 ChengMing 3991 Setup and specifications guide Regulatory Model: D20M Regulatory Type: D20M005 August 2021 Rev. A02...
- Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2020-2021 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.
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Page 3: Table Of Contents
Contents Chapter 1: Set up your computer....................5 Chapter 2: Chassis overview......................9 Front view..................................... 9 Back view.....................................10 Chapter 3: Technical specifications....................11 Technical specifications..............................11 Processors..................................11 Chipset....................................12 Operating system................................. 12 Memory...................................12 Intel Optane memory..............................13 Storage................................... 13 Audio....................................14 Video....................................14 Communications................................ - Page 4 System and setup password............................31 Assigning a system setup password........................31 Deleting or changing an existing system setup password.................32 Clearing BIOS (System Setup) and System passwords..................32 Chapter 6: Getting help and contacting Dell................33 Contents...
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Page 5: Chapter 1: Set Up Your Computer
Set up your computer Steps 1. Connect the keyboard and mouse. 2. Connect to your network using a cable, or connect to a wireless network. Set up your computer... - Page 6 3. Connect the display. 4. Connect the power cable. Set up your computer...
- Page 7 5. Press the power button. 6. Finish Windows system setup. Follow the on-screen instructions to complete the setup. When setting up, Dell recommends that you: ● Connect to a network for Windows updates. NOTE: If connecting to a secured wireless network, enter the password for the wireless network access when prompted.
- Page 8 SupportAssist proactively checks the health of your system's hardware and software. When an issue is detected, the necessary system state information is sent to Dell to begin troubleshooting. SupportAssist is preinstalled on most of the Dell devices running Windows operating system.
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Page 9: Chapter 2: Chassis Overview
Chassis overview Topics: • Front view • Back view Front view Figure 1. Front view 1. Optical Disk Drive 2. Power button 3. Hard drive activity light 4. Headset/Universal audio jack port 5. Four USB 3.2 Gen1 Type-A Chassis overview... -
Page 10: Back View
Back view Figure 2. Back view 1. Line-out audio jack 2. HDMI port 3. VGA port 4. Two USB 2.0 port 5. Two USB 2.0 ports with Smart Power On 6. Expansion slot x 4 (1XPCI, 1XPCIex16, 2XPCIex1) 7. Power port 8. -
Page 11: Chapter 3: Technical Specifications
Processors NOTE: Global Standard Products (GSP) are a subset of Dell’s relationship products that are managed for availability and synchronized transitions on a worldwide basis. They ensure the same platform is available for purchase globally. This allows customers to reduce the number of configurations managed on a worldwide basis, thereby reducing their costs. They also enable companies to implement global IT standards by locking in specific product configurations worldwide. -
Page 12: Chipset
Table 2. Processors (continued) Processors Wattage Core Thread Speed Cache Integrated graphics count count Intel Core i3-10105 65 W 3.7 GHz to 4.4 GHz 6 MB Intel UHD Graphics 630 Intel Core i5-10505 65 W 3.2 GHz to 4.6 GHz 12 MB Intel UHD Graphics 630 Chipset Table 3. -
Page 13: Intel Optane Memory
Table 4. Memory specifications (continued) Description Values Minimum memory 4 GB Memory size per slot 4 GB, 8 GB, 16 GB , 32 GB Configurations supported ● 4 GB (1 x 4 GB) ● 8 GB (1 x 8 GB, 2 x 4 GB) ●... -
Page 14: Audio
Table 6. Storage specifications Storage type Interface type Capacity 2.5 inch HDD, 5400 RPM SATA 3.0 Up to 2 TB 2.5 inch HDD, 7200 RPM SATA 3.0 Up to 1 TB 3.5 inch HDD 7200 RPM SATA 3.0 Up to 2 TB M.2 SATA 2230 PCIe NVMe 3x4 512 GB... -
Page 15: Communications
Table 8. Discrete graphics specifications (continued) Discrete graphics Controller External display support Memory size Memory Type NVIDIA GeForce GT730 (Optional) 2 GB GDDR5 AMD Radeon R5430 (Optional) 2 GB GDDR5 Table 9. Integrated graphics specifications Integrated graphics Controller External display support Memory size Processor Intel UHD Graphics GT2... -
Page 16: Ports And Connectors
Ports and connectors Table 12. External ports and connectors Description Values External: ● 4 USB 3.2 Gen 1 Type-A ports (front) ● 4 USB 2.0 Type-A ports (Rear) Table 13. Internal ports and connectors Description Values Internal: Expansion ● 1 full-height Gen 3 PCIe x16 slot ●... -
Page 17: Dimensions And Weight
Table 14. Power supply unit specifications (continued) Description Values Storage -40°C to 70°C (-40°F to -40°C to 70°C (-40°F to 158°F) 158°F) Dimensions and weight Table 15. Dimensions and weight Description Values Height: Front 324.3mm (12.77 in.) Rear 324.3mm (12.77 in.) Width 154 mm (6.06 in.) Depth... -
Page 18: Data Security
Table 20. Energy Star and TPM Features Specifications ENERGY STAR 8.0 qualified Available in selected configurations only EPEAT Bronze Registered Available in selected configurations only China CECP Compliant Accessories Table 21. Accessories Accessories Audio Dell Pro Stereo Headset—UC150 Technical specifications... -
Page 19: Service And Support
ProSupport Optional For a copy of guarantees or limited warranties, write to Dell USA L.P., Attn: Warranties, One Dell Way, Round Rock, TX 78682. For more information, go to www.dell.com/warranty. Service may be provided by third party. Technician is dispatched if necessary following phone-based troubleshooting. Subject to parts availability, geographical restrictions, and terms of service contract. - Page 20 Table 24. Computer environment Description Operating Storage Temperature range 0°C to 35°C (32°F to 95°F) -40°C to 65°C (-40°F to 149°F) Relative humidity (maximum) 10% to 90% (non-condensing) 0% to 95% (non-condensing) Vibration (maximum) 0.66 GRMS 1.30 GRMS Shock (maximum) 110 G†...
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Page 21: Chapter 4: Software
This chapter details the supported operating systems along with instructions on how to install the drivers. Topics: • Drivers and downloads Drivers and downloads When troubleshooting, downloading or installing drivers it is recommended that you read the Dell Knowledge Based article, Drivers and Downloads FAQ 000123347. Software... -
Page 22: Chapter 5: System Setup
System setup System setup enables you to manage your hardware and specify BIOS level options. From the System setup, you can: ● Change the NVRAM settings after you add or remove hardware ● View the system hardware configuration ● Enable or disable integrated devices ●... -
Page 23: Navigation Keys
Boot sequence enables you to bypass the System Setup–defined boot device order and boot directly to a specific device (for example: optical drive or hard drive). During the Power-on Self-Test (POST), when the Dell logo appears, you can: ● Access System Setup by pressing F2 key ●... - Page 24 Table 26. General (continued) Option Description ● Memory Information: Displays Memory Installed, Memory Available, Memory Speed, Memory Channels Mode, Memory Technology, DIMM 1 Size, and DIMM 2 Size. ● PCI Information: Displays SLOT1, SLOT2, SLOT3, SLOT4, SLOT5_M.2 ● Processor Information: Displays Processor Type, Core Count, Processor ID, Current Clock Speed, Minimum Clock Speed, Maximum Clock Speed, Processor L2 Cache, Processor L3 Cache, HT Capable, and 64-Bit Technology.
- Page 25 Table 27. System Configuration (continued) Option Description All the options are enabled by default. Front USB Configuration Allows you to enable or disable the Front USB configuration. The options are: ● Front Port 1 (Left)* ● Front Port 2( Right)* ●...
- Page 26 Table 29. Security (continued) Option Description Default Setting: Not set Internal HDD-0 Password Allows you to set, change or delete the password on the system's internal hard-disk drive. NOTE: Successful password changes take effect immediately. Default Setting: Not set Internal HDD-1 Password Allows you to set, change or delete the password on the system's internal hard-disk drive.
- Page 27 Table 30. Secure Boot (continued) Option Description If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are: ● Save to File- Saves the key to a user-selected file ● Replace from File- Replaces the current key with a key from a user-selected file ●...
- Page 28 Table 33. Power Management (continued) Option Description Auto On Time Sets time to automatically turn on the computer. Time is kept in standard 12-hour format (hour:minutes:seconds). Change the startup time by typing the values in the time and AM/PM fields. NOTE: This feature does not work if you turn off your computer using the switch on a power strip or surge protector or if Auto Power is set to disabled.
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Page 29: Updating The Bios
For more information on this subject, see Knowledge Article: https:// www.dell.com/support/article/sln153694 Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. System setup... -
Page 30: Updating The Bios In Linux And Ubuntu
8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information, see knowledge base article 000124211 at www.dell.com/support. Updating the BIOS in Linux and Ubuntu To update the system BIOS on a computer that is installed with Linux or Ubuntu, see the knowledge base article 000131486 www.dell.com/support. -
Page 31: System And Setup Password
Most of the Dell computers built after 2012 have this capability, and you can confirm by booting your computer to the F12 One-Time Boot Menu to see if BIOS FLASH UPDATE is listed as a boot option for your computer. If the option is listed, then the BIOS supports this BIOS update option. -
Page 32: Deleting Or Changing An Existing System Setup Password
Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application. -
Page 33: Chapter 6: Getting Help And Contacting Dell
Getting help and contacting Dell Self-help resources You can get information and help on Dell products and services using these self-help resources: Table 41. Self-help resources Self-help resources Resource location Information about Dell products and services www.dell.com My Dell app...
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