Dell T20- Manuals

Item Indicator, Button, or Connector Icon Description 7 USB connectors (2) Allow you to connect USB devices to the system. The ports are USB 3.0 compliant. 8 Video connector Allows you to connect a VGA display to the system. 9 Line-out connector Allows you to connect other output devices to the syst...

2 Using The System Setup And Boot Manager System Setup enables you to manage your system hardware and specify BIOS-level options.The following keystrokes provide access to system features during startup: Keystroke Description <F2> Enters the System Setup. <F12> Enters the Boot Manager. F...

Entering System Setup 1. Turn on or restart your system. 2. Press <F2>.If your operating system begins to load before you press <F2>, allow the system to finish booting, and then restart your system and try again. Using The System Setup Navigation Keys Key Description Up arrow Moves to t...

13. Click Run to install the updated BIOS settings on your system. Follow the instructions on the screen. Responding To Error Messages If an error message is displayed while the system is booting, make a note of the message. For more information, see System Messages . NOTE: After installing a memory...

Table 8. Virtualization Support Option Description Virtualization This option specifies whether a Virtual Machine Monitor (VMM) can utilize the additional hardware capabilities provided by Intel Virtualization technology. • Enable Intel Virtualization Technology — This option is enabled by default. ...

Option Description 1. Download the BIOS file from dell.com/support. For more information, see Updating The BIOS . 2. Save the BIOS file on a USB drive (FAT32). 3. Press <F12> while powering up the system to select the BIOS Flash Update. 4. Insert the USB drive into the USB port. 5. Select the ...

Assigning A System Password And Admin Password You can assign a new System Password and/or Admin Password or change an existing System Password and/or Admin Password only when Password Status is Unlocked. If the Password Status is Locked, you cannot change the System Password. NOTE: If the password ...

3 Installing System Components Recommended Tools You may need the following items to perform the procedures in this section: • #1 and #2 Phillips screwdrivers • Wrist grounding strap connected to ground Opening And Closing The System WARNING: Whenever you need to lift the system, get others to assis...

Figure 5. Opening and Closing the System 1. slots 2. tabs 3. system cover 4. cover release latch Closing The System 1. Ensure that all internal cables are connected and placed out of the way and that no tools or extra parts are left inside the system. 2. Align the tabs on the system cover with the c...

Figure 6. Removing and Installing the Bezel 1. retention clips (4) 2. bezel Installing The Bezel 1. Insert the bezel tabs into the bezel tab slots in the chassis. 2. Press the bezel into the chassis until the bezel locks into place. 3. Close the system. 4. Place the system upright on a flat, stable ...

4. Disconnect the chassis-intrusion switch cable from the system board. 5. Slide the chassis-intrusion switch and push it out of the chassis-intrusion switch slot. Figure 7. Removing and Installing the Chassis-Intrusion Switch 1. chassis-intrusion switch slot 2. chassis-intrusion switch 3. chassis-i...

Figure 8. Inside the System 1. hard drive 2. hard-drive bay 3. system board 4. heat-sink assembly 5. expansion-card latch 6. system fan 7. power supply unit 8. hard-drive cage 9. hard-drive cage latch 10. power switch 11. I/O panel Thermal Sensor Removing The Thermal Sensor CAUTION: Many repairs may...

Figure 9. Removing and Installing the Thermal Sensor 1. thermal sensor 2. tabs (2) 3. chassis clip 4. thermal-sensor connector Installing The Thermal Sensor CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authori...

3. Open the system. 4. Remove the following components:a. bezelb. optical drive For information on removing the optical drive, see Removing The Optical Drive . 5. Disconnect the power-switch cable from the system board. 6. Remove the power-switch cable from the chassis clip. 7. Remove the screw secu...

b. bezel 8. Close the system. 9. Place the system upright on a flat, stable surface. 10. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Input/Output Panel Removing The Input/Output Panel CAUTION: Many repairs may only be done by a certified ...

Installing The Input/Output Panel CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servic...

5. Remove the bezel. 6. Slide and hold the hard-drive cage latch and pull the hard-drive cage out of the system. Figure 12. Removing and Installing the Hard-Drive Cage 1. hard-drive cage 2. hard-drive cage latch Installing The Hard-Drive Cage CAUTION: Many repairs may only be done by a certified ser...

Removing A 3.5 Inch Hard Drive From The Hard-Drive Cage CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team...

NOTE: If you have a 2.5 inch hard drive seated in the hard-drive cage, remove the power and data cables from the hard drive. 4. Align the ridges of the hard-drive carrier with the grooves on the hard-drive cage. 5. Insert the hard drive into the hard-drive cage until it clicks into place. 6. Install...

NOTE: The screws used to secure the hard drive to the hard-drive cage are available on the front of the hard-drive cage as shown in callout 3. Installing A 2.5 Inch Hard Drive In The Hard-Drive Cage CAUTION: Many repairs may only be done by a certified service technician. You should only perform tro...

Removing A 3.5 Inch Hard Drive From The Hard-Drive Bay CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team....

3. Open the system. 4. Align the ridges of the hard-drive carrier with the grooves on the hard-drive bay. 5. Insert the hard drive into the hard-drive bay until it clicks into place. 6. Connect the power and data cables to the hard drive. NOTE: For information on cabling the hard drives, refer to th...

Optical Drive Installing The Optical Drive CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due ...

10. Insert the hard-drive cage into the system.11. Connect the power and data cables to the optical drive and hard drives, if applicable. NOTE: Use the vertical type SATA cables to connect hard drives in the hard-drive cage to avoid damaging the connector pins. This is applicable for the 2.5 inch ha...

• Maximum frequency of the DIMMs • Number of DIMMs populated per channel • DIMM operating voltage • Maximum supported DIMM frequency of the processor The system contains four memory sockets organized into two channels. In each channel, the release levers of the first socket are marked white and the ...

• A maximum of two UDIMMs can be populated in a channel. • Populate all sockets with white release tabs first, and then black. • Populate the sockets by highest rank count in the following order — first in sockets with white release levers, and then black. • Memory modules of different sizes can be ...

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell...

CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not authorized by Dell...

CAUTION: Do not operate the system with the cover removed for a duration exceeding 5 minutes. 1. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and peripherals. 2. Lay the system on its side, on a flat and stable surface. 3. Open the sys...

4. Align the four grommets of the system fan with the four grooves on the sides of the system fan. 5. Pass the grommets through the corresponding grooves on the system fan. 6. Stretch the grommets and slide the system fan towards the chassis till it locks into place. NOTE: Install the lower two grom...

6. Push the expansion card latch toward the system until it clicks into place. 7. Close the system. 8. Place the system upright on a flat, stable surface. 9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Figure 24. Removing and Installing a...

9. Close the system. 10. Place the system upright on a flat, stable surface.11. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Processors Your system supports one of the following processors: • One Intel Xeon processor E3-1225v3 • One Intel ...

Figure 26. Removing and Installing the Processor 1. processor shield retention screw 2. processor 3. ZIF socket 4. processor 5. notch 6. socket keys (2) 7. socket release lever NOTE: After removing the processor, place it in an antistatic container for reuse, return, or temporary storage. Do not tou...

a. Align the notches on the processor with the socket keys and set the processor lightly in the socket. CAUTION: Do not use force to seat the processor. When the processor is positioned correctly, it engages easily into the socket. b. Close the processor shield by sliding it under the retention scre...

Figure 27. Removing and Installing the Power Supply Unit 1. P1 power cable 2. P2 power cable 3. release tab 4. power supply unit 5. screws (4) Installing The Power Supply Unit CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple...

System Battery Replacing The System Battery WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. See your safety information for additional information. CAUTION: Many repairs m...

11. Press <F2> to enter the System Setup to confirm that the battery is operating properly.12. Enter the correct time and date in the System Setup Time and Date fields. System Board Removing The System Board CAUTION: Many repairs may only be done by a certified service technician. You should o...

Figure 29. Removing the System Board 1. screws (8) 2. system board Installing The System Board CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the onlin...

8. Reconnect all cables to the system board. 9. Close the system. 10. Place the system upright on a flat, stable surface.11. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Enter the system service tag after you replace the system board. For ...

4 Troubleshooting Your System Safety First—For You And Your System CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and s...

Amber LED State Description 3,3 no memory modules are detected 3,4 possible system board error 3,5 memory modules are detected, but a memory configuration or compatibility error 3,6 possible system board resource and/or hardware failure 3,7 some other failure with messages on screen Memory Beep Code...

6. If the problem is not resolved, proceed to the next step to begin troubleshooting the other USB devices attached to the system. 7. Power down all attached USB devices and disconnect them from the system. 8. Reboot the system and, if your keyboard is functioning, enter the System Setup. Verify tha...

Troubleshooting A Wet System CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing t...

Troubleshooting The System Battery CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servi...

Troubleshooting The System Fan CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing...

16. If the memory problem is still indicated, repeat step 12 through step 15 for each memory module installed. If the problem persists after all memory modules have been checked, see Getting Help . Troubleshooting An Optical Drive CAUTION: Many repairs may only be done by a certified service technic...

NOTE: When troubleshooting an expansion card, see the documentation for your operating system and the expansion card. 1. Run the appropriate diagnostic test. For more information, see Using System Diagnostics . 2. Turn off the system and attached peripherals, and disconnect the system from the elect...

5 Using System Diagnostics If you experience a problem with your system, run the system diagnostics before contacting Dell for technical assistance. The purpose of running system diagnostics is to test your system hardware without requiring additional equipment or risking data loss. If you are unabl...

6 Jumpers And Connectors System Board Jumper Settings For information on resetting the password jumper to disable a password, see System Board Jumper Settings Table 14. System Board Jumper Settings Jumper Setting Description PSWD (jumper engaged_ default) The password feature is enabled. (jumper rem...

Item Connector Description 1 FRONTPANEL Front IO connector 2 PSWD Password jumper 3 INT_USB Internal USB connector 4 RTCRST RTCRST jumper 5 INT_SPKR Internal speaker 6 SLOT 4 PCIe card connector 4 7 SLOT 3 PCI card connector 3 8 SLOT 2 PCIe card connector 2 9 BATTERY Battery connector 10 SLOT 1 PCIe...

7 Technical Specifications Processor Processor type • One Intel Xeon processor E3-1225v3, or • One Intel Pentium processor G3220 Expansion Bus Bus type PCI Express Generation 2 and 3 Expansion slots (Slot 1) One full-height, half-length x16 PCIe Gen3 card slot connected to processor (Slot 2) One ful...

Drives Up to four 3.5 inch internal, cabled SATA, or SATA SSD drives and one optical disk drive (optional). Two 3.5 inch and two 2.5 inch (optional), internal, cabled SATA, or SATA SSD drives. Six hard-drive systems Up to four 3.5 inch and two 2.5 inch (optional), internal, cabled SATA, or SATA SSD ...

8 System Messages Error Messages Error Message Description Address mark not found The BIOS found a faulty disk sector or could not find a particular disk sector. Alert! Previous attempts at booting this system have failed at checkpoint [nnnn]. For help in resolving this problem, please note this che...

Error Message Description WARNING: Dell's Disk Monitoring System has detected that drive [0/1] on the [primary/secondary] EIDE controller is operating outside of normal specifications. It is advisable to immediately back up your data and replace your hard drive by calling your support desk or Dell. ...

9 Getting Help Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country ...

NOTE: When upgrading your system, it is recommended that you download and install the latest BIOS, driver, and systems management firmware on your system from dell.com/support. 獲得技術援助 如果您不瞭解本指南中的程序，或系統運作未如預期，請參閱系統的擁有者手冊。 Dell 提供完整的硬體訓練與 認證。如需更多資訊，請參閱 dell.com/training 。並非所有位置均提供這項服務。 Información NOM...