Dell PowerEdge R820 Owner's Manual

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Dell PowerEdge R820 Manual Information:

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Summary of Contents:

[Page 1] Dell PowerEdge R820

Dell PowerEdge R820 Owner's Manual Regulatory Model: E21S Series Regulatory Type: E21S001 ...

[Page 2] Dell PowerEdge R820

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING...

[Page 3] Dell PowerEdge R820

Contents Notes, Cautions, and Warnings...................................................................................................2 1 About Your System...............................................................................................

[Page 4] Dell PowerEdge R820

Entering The UEFI Boot Manager...........................................................................................................................28 Using The Boot Manager Navigation Keys...........................................................

[Page 5] Dell PowerEdge R820

Removing The Cooling-Fan Assembly..............................................................................................................55 Installing The Cooling-Fan Assembly........................................................................

[Page 6] Dell PowerEdge R820

Installing The Hard-Drive Backplane...............................................................................................................97 Control Panel Assembly..................................................................................

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Disabling A Forgotten Password..........................................................................................................................118 7 Technical Specifications.......................................................................

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8 ...

[Page 9] Dell PowerEdge R820

1 About Your System Front-Panel Features And Indicators Figure 1. Front-Panel Features And Indicators—16 Hard Drive System Item Indicator, Button, or Connector Icon Description 1 Power-on indicator, power button The power-on indicator lights when...

[Page 10] Dell PowerEdge R820

Item Indicator, Button, or Connector Icon Description 4 Video connector Allows you to connect a VGA display to the system. 5 LCD menu buttons Allows you to navigate the control panel LCD menu. 6 Information tag A slide-out label panel which allows y...

[Page 11] Dell PowerEdge R820

Figure 2. LCD Panel Features Item Button Description 1 Left Moves the cursor back in one-step increments. 2 Select Selects the menu item highlighted by the cursor. 3 Right Moves the cursor forward in one-step increments. During message scrolling: ...

[Page 12] Dell PowerEdge R820

Option Description Set error Select SEL to display LCD error messages in a format that matches the IPMI description in the SEL. This is useful when trying to match an LCD message with an SEL entry. Select Simple to display LCD error messages in a si...

[Page 13] Dell PowerEdge R820

Drive-Status Indicator Pattern (RAID Only) Condition Blinks green two times per second Identifying drive or preparing for removal Off Drive ready for insertion or removal NOTE: The drive status indicator remains off until all hard drives are initial...

[Page 14] Dell PowerEdge R820

Item Indicator, Button, or Connector Icon Description 6 PCIe expansion card slots (3) Allows you to connect a PCI Express expansion card. 7 iDRAC7 Enterprise port Dedicated management port. NOTE: The port is available for use only if the iDRAC7 En...

[Page 15] Dell PowerEdge R820

Indicator Indicator Code Link and activity indicators are off The NIC is not connected to the network. Link indicator is green The NIC is connected to a valid network at its maximum port speed (1 Gbps or 10 Gbps). Link indicator is amber The NIC is ...

[Page 16] Dell PowerEdge R820

Power Indicator Pattern Condition Not lit Power is not connected. Green The handle/LED indicator lights green indicating that a valid power source is connected to the power supply and that the power supply is operational. Flashing amber Indicates...

[Page 17] Dell PowerEdge R820

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 S...

[Page 18] Dell PowerEdge R820

mode. Thereafter, you must boot the system in the same boot mode (BIOS or UEFI) to access the installed operating system. Trying to boot the operating system from the other boot mode will cause the system to halt at startup. NOTE: Operating systems ...

[Page 19] Dell PowerEdge R820

System Setup Main Screen NOTE: Press <Alt><F> to reset the BIOS or UEFI settings to their default settings. Menu Item Description System BIOS This option is used to view and configure BIOS settings. iDRAC Settings This option is used to v...

[Page 20] Dell PowerEdge R820

Menu Item Description System Service Tag Displays the system Service Tag. System Manufacturer Displays the name of system manufacturer. System Manufacturer Contact Information Displays the contact information of the system manufacturer. Memory Settin...

[Page 21] Dell PowerEdge R820

Menu Item Description Alternate RTID (Requestor Transaction ID) Setting Allows you to allocate more RTIDs to the remote socket increasing cache performance between the sockets or work in normal mode for NUMA. By default, the Alternate RTID (Reque...

[Page 22] Dell PowerEdge R820

Boot Settings Screen Menu Item Description Boot Mode Allows you to set the boot mode of the system. CAUTION: Switching the boot mode may prevent the system from booting if the operating system is not installed in the same boot mode. If the operating...

[Page 23] Dell PowerEdge R820

Menu Item Description Integrated Network Card 1 Allows you to enable or disable the integrated network card 1. By default, the Integrated Network Card 1 option is set to Enabled. OS Watchdog Timer Allows you to enable or disable the OS watchdog tim...

[Page 24] Dell PowerEdge R820

System Profile Settings Screen Menu Item Description System Profile Allows you to set the system profile. If you set the System Profile option to a mode other than Custom, the BIOS automatically sets the rest of the options. You can only change the ...

[Page 25] Dell PowerEdge R820

Menu Item Description TPM Security Allows you to control the reporting mode of the Trusted Platform Module (TPM). By default, the TPM Security option is set to Off. You can only modify the TPM Status, TPM Activation , and Intel TXT fields if the TP...

[Page 26] Dell PowerEdge R820

Menu Item Description Report Keyboard Errors Allows you to set whether keyboard-related error messages are reported during system boot. By default, the Report Keyboard Errors field is set to Report. F1/F2 Prompt on Error Allows you to enable or disa...

[Page 27] Dell PowerEdge R820

– Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`). A message prompts you to re-enter the system password. 6. Re-enter the system password that you entered earlier and click OK. 7. Se...

[Page 28] Dell PowerEdge R820

NOTE: You can use the Password Status option in conjunction with the System Password and Setup Password options to protect your system from unauthorized changes. Operating With A Setup Password Enabled If Setup Password is Enabled, enter the correct...

[Page 29] Dell PowerEdge R820

Key Description NOTE: For the standard graphics browser only. <Esc> Moves to the previous page till you view the main screen. Pressing <Esc> in the main screen exits the Boot Manager and proceeds with system boot. <F1> Displays the...

[Page 30] Dell PowerEdge R820

For more information about setting up the Lifecycle Controller, configuring hardware and firmware, and deploying the operating system, see the Lifecycle Controller documentation at support.dell.com/manuals. iDRAC Settings Utility The iDRAC Settings ...

[Page 31] Dell PowerEdge R820

3 Installing System Components Recommended Tools You may need the following items to perform the procedures in this section: • Key to the system keylock • #2 Phillips screwdriver • T10 and T15 Torx screwdrivers • Wrist grounding strap connect...

[Page 32] Dell PowerEdge R820

1. release latch 2. keylock 3. front bezel 4. locking hook Installing The Front Bezel 1. Hook the right end of the bezel onto the chassis. 2. Fit the free end of the bezel onto the system. 3. Secure the bezel with the keylock. Opening And Closing The...

[Page 33] Dell PowerEdge R820

Figure 9. Opening and Closing the System 1. system cover 2. latch 3. latch release lock Closing The System 1. Lift the latch on the cover. 2. Place the cover onto the chassis and offset the cover slightly back so that it clears the chassis hooks and ...

[Page 34] Dell PowerEdge R820

Figure 10. Inside a Two-Processor System 1. cooling-fan assembly 2. cable securing bracket 3. heat sink for processor 1 4. processor expansion module power connectors (2) 5. cable securing guide 6. cooling shroud 7. integrated storage controller card...

[Page 35] Dell PowerEdge R820

Figure 11. Inside a Four-Processor System 1. heat sink for processor 4 2. DIMMs (24) 3. heat sink for processor 3 4. processor expansion module Processor Expansion Module A processor expansion module (PEM) is present only in systems with four process...

[Page 36] Dell PowerEdge R820

3. Lift the release lever on the PEM until the PEM disengages from the system board. 4. Holding the release lever and a support pin, lift the PEM away from the chassis. CAUTION: Never operate a two-processor system without the cooling shroud. The sys...

[Page 37] Dell PowerEdge R820

Figure 13. Removing and Installing the Processor Expansion Module Filler Bracket 1. filler bracket 2. tabs (2) 3. notches (2) 4. standoffs (2) 5. QPI connector Installing The Processor Expansion Module CAUTION: Many repairs may only be done by a cert...

[Page 38] Dell PowerEdge R820

12. If you are installing the processor expansion module for the first time, press <F2> to enter the System Setup and check that the processor information matches the new system configuration. 13. Run the system diagnostics to verify that the ...

[Page 39] Dell PowerEdge R820

Installing The Cooling Shroud 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 telephon...

[Page 40] Dell PowerEdge R820

Figure 15. Memory Socket Locations on the System Board 40 ...

[Page 41] Dell PowerEdge R820

Figure 16. Memory Socket Locations on the PEM Memory channels are organized as follows: Processor 1 channel 0: slots A1, A5, and A9 channel 1: slots A2, A6, and A10 channel 2: slots A3, A7, and A11 channel 3: slots A4, A8, and A12 Processor 2 channel...

[Page 42] Dell PowerEdge R820

DIMM Type DIMMs Populated/ Channel Operating Frequency (in MT/s) Maximum DIMM Rank/ Channel 1.5 V 1.35 V UDIMM ECC 1 1333 and 1066 1066 Dual rank 2 1333 and 1066 1066 Dual rank RDIMM 1 1600, 1333, and 1066 (Quad rank-1066 max) 1333 and 1066 (Quad r...

[Page 43] Dell PowerEdge R820

NOTE: x4 and x8 DRAM based DIMMs can be mixed providing support for RAS features. However, all guidelines for specific RAS features must be followed. X4 DRAM based DIMMs retain Single Device Data Correction (SDDC) in memory optimized (independent c...

[Page 44] Dell PowerEdge R820

NOTE: 1R, 2R, and 4R in the following tables indicate single-, dual-, and quad-rank DIMMs. Table 1. Memory Configurations – Two Processor System Capacity (in GB) DIMM Size (in GB) Number of DIMMs Organization and Speed DIMM Slot Population 2 2 ...

[Page 45] Dell PowerEdge R820

System Capacity (in GB) DIMM Size (in GB) Number of DIMMs Organization and Speed DIMM Slot Population B4, B5, B6, B7, B8, B9, B10, B11, B12 192 16 12 2R x4, 1333 MT/s 2R x4, 1600 MT/s A1, A2, A3, A4, A5, A6, B1, B2, B3, B4, B5, B6 256 16 16 2R ...

[Page 46] Dell PowerEdge R820

System Capacity (in GB) DIMM Size (in GB) Number of DIMMs Organization and Speed DIMM Slot Population 128 4 32 2R x4, 1333 MT/s 2R x4, 1600 MT/s A1, A2, A3, A4, A5, A6, A7, A8, B1, B2, B3, B4, B5, B6, B7, B8, C1, C2, C3, C4, C5, C6, C7, C8, D1...

[Page 47] Dell PowerEdge R820

Removing Memory Modules WARNING: The memory modules are hot to the touch for some time after the system has been powered down. Allow time for the memory modules to cool before handling them. Handle the memory modules by the card edges and avoid tou...

[Page 48] Dell PowerEdge R820

7. If applicable, remove the cooling shroud or processor expansion module. 8. Close the system. 9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Installing Memory Modules WARNING: The memory...

[Page 49] Dell PowerEdge R820

Hard Drives All hard drives connect to the system board through the hard-drive backplane. Hard drives are supplied in hot- swappable hard-drive carriers that fit in the hard-drive slots. CAUTION: Before attempting to remove or install a hard drive wh...

[Page 50] Dell PowerEdge R820

Removing A Hot-Swap Hard Drive CAUTION: To prevent data loss, ensure that your operating system supports hot-swap drive installation. See the documentation supplied with your operating system. 1. From the management software, prepare the hard drive ...

[Page 51] Dell PowerEdge R820

CAUTION: When installing a hard drive, ensure that the adjacent drives are fully installed. Inserting a hard-drive carrier and attempting to lock its handle next to a partially installed carrier can damage the partially installed carrier's shi...

[Page 52] Dell PowerEdge R820

Installing A Hard Drive Into A Hard-Drive Carrier 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...

[Page 53] Dell PowerEdge R820

Figure 21. Removing and Installing the Optical Drive 1. optical drive 2. power and data cable 3. release tab Installing The Optical Drive CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooti...

[Page 54] Dell PowerEdge R820

NOTE: In the event of a problem with a particular fan, the fan number is referenced by the system’s management software, allowing you to easily identify and replace the proper fan by noting the fan numbers on the cooling fan assembly. Removing A ...

[Page 55] Dell PowerEdge R820

Installing The Cooling 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 s...

[Page 56] Dell PowerEdge R820

1. cooling-fan assembly 2. cooling fans (6) 3. release levers (2) 4. guide pins (2) 5. cooling-fan connectors (6) Installing The Cooling-Fan Assembly CAUTION: Many repairs may only be done by a certified service technician. You should only perform t...

[Page 57] Dell PowerEdge R820

6. Insert the USB memory key into the USB connector. 7. Replace the expansion-card riser 1. 8. Close the system. 9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. 10. Enter the System Setup a...

[Page 58] Dell PowerEdge R820

The following table provides guidelines for installing expansion cards to ensure proper cooling and mechanical fit. The expansion cards with the highest priority should be installed first using the slot priority indicated. All other expansion cards...

[Page 59] Dell PowerEdge R820

NOTE: For a full-height expansion card, pull the expansion-card holder away from the expansion-card riser. 5. Press the expansion-card riser latch and rotate it away from the expansion card riser. 6. Grasp the expansion card by its edges, and remove ...

[Page 60] Dell PowerEdge R820

Figure 26. Closing the Expansion Card Holder on the Expansion-Card Riser 1 1. expansion card 2. expansion-card riser 3. expansion-card holder 4. grooves (2) Figure 27. Removing and Installing an Expansion Card From the Expansion-Card Riser 2 1. expan...

[Page 61] Dell PowerEdge R820

2. expansion-card connector 3. expansion card 4. expansion-card riser latch Installing An Expansion Card Into The Expansion-Card Riser 1 Or 2 CAUTION: Many repairs may only be done by a certified service technician. You should only perform troublesh...

[Page 62] Dell PowerEdge R820

5. To remove the expansion card, grasp the expansion card by its edges and remove it from the expansion-card connector on the riser. 6. If you are removing the card permanently, install a metal filler bracket over the empty expansion slot opening. N...

[Page 63] Dell PowerEdge R820

Figure 29. Removing and Installing a Full-Height Expansion Card From the Expansion-Card Riser 3 1. grooves (2) 2. expansion-card holder 3. tab 4. expansion card Installing An Expansion Card Into The Expansion-Card Riser 3 CAUTION: Many repairs may on...

[Page 64] Dell PowerEdge R820

NOTE: For a full-height expansion card, pull the expansion-card holder toward the expansion-card riser. Ensure that the expansion card rests between the grooves on the expansion-card holder. 7. Close the expansion-card latch. 8. If applicable, conne...

[Page 65] Dell PowerEdge R820

Figure 30. Removing and Installing the Expansion Card Riser 1 1. touch points (2) 2. expansion-card riser 1 3. riser guide-back (right) 4. riser guide-back (left) 5. connector 6. riser guide-front Figure 31. Connectors on the Expansion-Card Riser 1 6...

[Page 66] Dell PowerEdge R820

1. expansion-card connector (slot 1) 2. expansion-card connector (slot 2) Figure 32. Removing and Installing the Expansion-Card Riser 2 1. expansion-card riser 2 2. touch points (2) 3. riser guide-back (right) 4. riser guide-back (left) 5. connector ...

[Page 67] Dell PowerEdge R820

Figure 34. Removing and Installing the Expansion Card Riser 3 1. expansion card riser 3 2. touch points (2) 3. riser guide-back (top) 4. riser guide-back (bottom) 5. connector 6. riser guide-front (bottom) 7. riser guide-front (top) Figure 35. Connec...

[Page 68] Dell PowerEdge R820

6. Close the system. 7. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals. Installing Expansion-Card Risers CAUTION: Many repairs may only be done by a certified service technician. You should on...

[Page 69] Dell PowerEdge R820

Internal Dual SD Module NOTE: When the Redundancy option is set to Mirror Mode in the Integrated Devices screen of the System Setup, the information is replicated from one SD card to another. Removing The Internal Dual SD Module CAUTION: Many repair...

[Page 70] Dell PowerEdge R820

Figure 37. Removing and Installing the Internal Dual SD Module 1. blue pull tab 2. SD card 1 3. SD card 2 4. dual SD module 5. dual SD module connector 6. retention tab Installing the Internal Dual SD Module CAUTION: Many repairs may only be done by ...

[Page 71] Dell PowerEdge R820

Internal SD Card Removing An Internal SD Card 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 onl...

[Page 72] Dell PowerEdge R820

Removing The Integrated Storage Controller Card 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 o...

[Page 73] Dell PowerEdge R820

Figure 39. Removing and Installing the Integrated Storage Controller Card 1. storage-controller card 2. expansion-card latch 3. riser card 3 4. cables (2) 5. storage-controller connector Figure 40. Connectors on the Integrated Storage Controller Card...

[Page 74] Dell PowerEdge R820

Figure 41. Cable Routing for the Integrated Storage Controller Card 1. cable securing bracket 2. cable securing guide 3. SAS cables (2) Installing The Integrated Storage Controller Card CAUTION: Many repairs may only be done by a certified service te...

[Page 75] Dell PowerEdge R820

Removing The Network Daughter Card 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 tel...

[Page 76] Dell PowerEdge R820

Figure 43. Removing and Installing the Network Daughter Card 1. captive screw sockets (2) 2. connector on the system board 3. captive screws (2) 4. touch point 5. network daughter card 6. slot for RJ-45 connectors in the back panel Installing The Net...

[Page 77] Dell PowerEdge R820

• Installing an additional processor • Replacing a processor Your system supports two types of processor configurations: • Four-processor configuration — Ships with a processor expansion module (PEM) that consists of two processor sockets (C...

[Page 78] Dell PowerEdge R820

Figure 44. Removing and Installing the Processor Heat Sink 1. heat sink 2. retention sockets (2) 3. retention screws (2) 4. processor CAUTION: The processor is held in its socket under strong pressure. Be aware that the release lever can spring up s...

[Page 79] Dell PowerEdge R820

Figure 45. Processor Shield Opening and Closing Lever Sequence 1. close-lock symbol 2. processor socket-release lever 3. processor 4. processor socket-release lever 5. open-lock symbol 10. Rotate the processor shield upward and out of the way. CAUTIO...

[Page 80] Dell PowerEdge R820

Figure 46. Removing and Installing a Processor 1. processor socket-release lever 2. pin 1 indicator 3. processor socket-release lever 4. processor shield 5. processor 6. ZIF socket 7. socket keys (4) 8. notches in processor (4) NOTE: After removing t...

[Page 81] Dell PowerEdge R820

6. With the release levers on the processor socket in the open position, align pin 1 of the processor, using pin 1 position guide on the socket, as reference and set the processor lightly in the socket. CAUTION: Do not use force to seat the processo...

[Page 82] Dell PowerEdge R820

The active power supply can also activate a sleeping power supply if having both power supplies active is more efficient than having the redundant power supply in a sleep state. The power supply defaults are to wake both power supplies if the load ...

[Page 83] Dell PowerEdge R820

Installing An AC Power Supply 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 telephon...

[Page 84] Dell PowerEdge R820

NOTE: Use alpha wire part number 3080 or equivalent (65/30 stranding) Required Wires • One UL 10 AWG, 2 m maximum (stranded) black wire [–(48–60) V DC] • One UL 10 AWG, 2 m maximum (stranded) red wire (V DC return) • One UL 10 AWG, 2 m maxi...

[Page 85] Dell PowerEdge R820

Assembling The DC Input Power Wires WARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must perform all connections to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yo...

[Page 86] Dell PowerEdge R820

Removing A DC Power Supply WARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must perform all connections to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself. A...

[Page 87] Dell PowerEdge R820

Installing A DC Power Supply WARNING: For equipment using –(48–60) V DC power supplies, a qualified electrician must perform all connections to DC power and to safety grounds. Do not attempt connecting to DC power or installing grounds yourself....

[Page 88] Dell PowerEdge R820

Figure 51. Removing and Installing the Power Supply Blank 1. power supply blank Installing The Power Supply Blank NOTE: Install the power supply blank only in the second power supply bay. To install the power supply blank, align the blank with the po...

[Page 89] Dell PowerEdge R820

Figure 52. Replacing the System Battery 1. positive side of battery connector 2. system battery 3. negative side of battery connector 6. Lift the battery out of the securing tabs at the negative side of the connector. 7. To install a new system batte...

[Page 90] Dell PowerEdge R820

3. Open the system. CAUTION: To prevent damage to the hard drives and hard-drive backplane, you must remove the hard drives from the system before removing the hard-drive backplane. CAUTION: You must note the number of each hard drive and temporaril...

[Page 91] Dell PowerEdge R820

Figure 54. Connector Diagram—2.5 Inch (x8) Hard-Drive Backplane 1. SAS A connector 2. power connector 3. signal connector 4. SAS B connector 91 ...

[Page 92] Dell PowerEdge R820

Figure 55. Cabling Diagram—2.5 Inch (x8) Hard-Drive Backplane 1. cable securing guide 2. PERC card 3. system board 4. cable retention bracket 5. SAS B connector 6. signal connector 7. hard-drive backplane 8. SAS A connector 9. power connector 10. c...

[Page 93] Dell PowerEdge R820

Figure 56. Cabling Diagram—Dual 2.5 Inch (x8) Hard-Drive Backplane 1. cable securing guide 2. PERC card 1 3. system board 4. PERC card 2 5. cable retention bracket 6. signal connector 7. SAS B connector 8. hard-drive backplane 9. SAS A connector 10...

[Page 94] Dell PowerEdge R820

Figure 57. Removing and Installing the 2.5 Inch (x4) Dell PowerEdge Express Flash (PCIe SSD) Backplane 1. hooks (4) 2. securing slots (4) 3. PCIe SSD backplane 4. release tab 5. connectors (4) Figure 58. Connector Diagram—2.5 Inch (x4) PCIe SSD Bac...

[Page 95] Dell PowerEdge R820

1. PCIe SSD A connector 2. power connector 3. signal connector 4. PCIe SSD D connector 5. PCIe SSD C connector 6. PCIe SSD B connector Figure 59. Cabling Diagram—2.5 Inch (x8) SAS/SATA Hard-Drive and (x4) PCIe SSD Backplane 1. cable securing guide ...

[Page 96] Dell PowerEdge R820

Figure 60. Removing and Installing the 2.5 Inch (x16) Hard-Drive Backplane 1. hooks (8) 2. securing slots (8) 3. release tabs (2) 4. hard-drive backplane 5. connectors (16) Figure 61. Connector Diagram— 2.5 Inch (x16) Hard-Drive Backplane 96 ...

[Page 97] Dell PowerEdge R820

1. SAS B connector 2. SAS A connector 3. power connector 4. signal connector 5. power connector Figure 62. Cabling Diagram—2.5 Inch (x16) Hard-Drive Backplane 1. cable securing guide 2. PERC card 3. system board 4. cable retention bracket 5. power ...

[Page 98] Dell PowerEdge R820

1. Align the slots on the hard-drive backplane with the hooks on the chassis. 2. Slide the hard-drive backplane until the release tab(s) snaps into place. 3. Connect the SAS/PCIe cables to the SAS/PCIe connectors on the backplane. 4. Connect the powe...

[Page 99] Dell PowerEdge R820

3. control-panel connector cable 4. USB connector cable 5. vFlash media connector cable 6. captive screws (2) 7. alignment pin 7. Locate and press the tabs on the information tag. 8. Push the information tag out of the slot to remove it from the cont...

[Page 100] Dell PowerEdge R820

Removing 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 online or telephone se...