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Dell PowerEdge R940 EMC Installation and Service Manual - Page 166

Table 53. System board jumpers and connectors, Connector, Description

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Table 53. System board jumpers and connectors Item Connector 1 J_PEM_PWR_R 2 B7, B1, B8, B2, B9, B3 3 FAN_MOD2 4 B6, B12, B5, B11, B4, B10 5 A7, A1, A8, A2, A9, A3 6 J_BP_P1 7 J_BP_SIG1 8 J_PEM_PWR_L 9 A6, A12, A5, A11, A4, A10 10 CPU1 11 J_PEM_CLK 12 RM_UPI_C 13 LFT_CTRL_PNL 14 RM_UPI_A 15 J_M.2 16 INT_USB_3.0 17 PWRD_EN 18 NVRAM_CLR 19 J_IDSDM 20 PCIE_PWR1 21 SLOT1 PCIE_G3_X8(CPU1) 22 IO_RISER1 23 SLOT2 PCIE_G3_X16(CPU1) 24 SLOT3 PCIE_G3_X16(CPU1) 25 SLOT4 PCIE_G3_X16(CPU2) 26 SLOT5 PCIE_G3_X8(CPU2) 27 SLOT6 PCIE_G3_X8(CPU2) 28 SLOT7 PCIE_G3_X16(CPU2) 29 PCIE_PWR2 30 System board LED Diagnostic Indicators 31 J_TPM 32 BATTERY 33 INTRUSION 34 J_NVDIMM_BATT 35 BATT_PWR 36 RM_RGT_CP_GUIDE 37 RGT_CTRL_PNL 166 PowerEdge R940 Jumpers and connectors Description Right PEM power board connector Memory module sockets Fan module cable connector Memory module sockets Memory module sockets Backplane 1 power connector Backplane 1 signal connector Left PEM power board connector Memory module sockets CPU1 processor heat sink module socket PEM clock connector UPI cable connector "C" Left control panel connector UPI cable connector "A" SATA M.2 connector Internal USB 3.0 connector Reset BIOS password Clear NVRAM iDSDM and vFlash connector PCIe power connector 1 PCIe slot 1 Network daughter card riser connector PCIe slot 2 PCIe slot 3 PCIe slot 4 PCIe slot 5 PCIe slot 6 PCIe slot 7 PCIe power connector 2 System board LED Diagnostic Indicators Trusted Platform Module (TPM) connector System board battery connector Intrusion switch connector NVDIMM-N battery connector NVDIMM-N battery power connector VGA to right control panel connector Right control panel connector

Section	Page
Dell EMC PowerEdge R940 Installation and Service Manual	3
PowerEdge R940 overview	8
Supported configurations for the PowerEdge R940	8
Front view of the system	9
Left control panel view	11
Status LED indicators	12
System health and system ID indicator codes	13
iDRAC Quick Sync 2 indicator codes	13
Right control panel	14
iDRAC Direct LED indicator codes	14
Back view of the system	15
NIC indicator codes	16
Power supply unit indicator codes	16
Drive indicator codes	19
LCD panel	19
Viewing Home screen	20
Setup menu	20
View menu	21
Locating the Service Tag of your system	21
System information label	22
Documentation resources	25
PowerEdge R940 technical specifications	27
System dimensions	27
System weight	28
Cooling fan specifications	28
Processor specifications	28
Supported operating systems	29
PSU specifications	29
System battery specifications	30
Expansion bus specifications	30
Memory specifications	31
Storage controller specifications	31
Remote management port specifications	31
Drive specifications	32
Hard drives	32
Ports and connectors specifications	32
USB ports	32
NIC ports	32
Serial port	32
Internal Dual SD Module or vFlash card	33
VGA ports	33
Video specifications	33
Environmental specifications	33
Standard operating temperature	34
Expanded operating temperature	34
Expanded operating temperature restrictions	35
Thermal restrictions	35
Ambient temperature limitations	36
Particulate and gaseous contamination specifications	36
Initial system setup and configuration	38
Setting up your system	38
iDRAC configuration	38
Options to set up iDRAC IP address	38
Log in to iDRAC	39
Options to install the operating system	39
Methods to download firmware and drivers	39
Downloading drivers and firmware	40
Pre-operating system management applications	41
Options to manage the pre-operating system applications	41
System Setup	41
Viewing System Setup	41
System Setup details	42
System BIOS	42
Viewing System BIOS	42
System BIOS Settings details	42
System Information	43
Viewing System Information	43
System Information details	43
Memory Settings	44
Viewing Memory Settings	44
Memory Settings details	44
Persistent Memory details	45
Processor Settings	45
Viewing Processor Settings	45
Processor Settings details	46
SATA Settings	47
Viewing SATA Settings	47
SATA Settings details	48
NVMe Settings	48
Viewing NVMe Settings	48
NVMe Settings details	48
Boot Settings	49
Viewing Boot Settings	49
Boot Settings details	49
Choosing system boot mode	50
Changing boot order	50
Network Settings	50
Viewing Network Settings	51
Network Settings screen details	51
Integrated Devices	52
Viewing Integrated Devices	52
Integrated Devices details	52
Serial Communication	54
Viewing Serial Communication	54
Serial Communication details	55
System Profile Settings	55
Viewing System Profile Settings	55
System Profile Settings details	56
System Security	57
Viewing System Security	57
System Security Settings details	57
Creating a system and setup password	59
Using your system password to secure the system	59
Deleting or changing system and setup password	60
Operating with setup password enabled	60
Redundant OS Control	60
Viewing Redundant OS Control	60
Redundant OS Control screen details	61
Miscellaneous Settings	61
Viewing Miscellaneous Settings	61
Miscellaneous Settings details	62
iDRAC Settings utility	62
Device Settings	62
Dell Lifecycle Controller	62
Embedded system management	62
Boot Manager	63
Viewing Boot Manager	63
Boot Manager main menu	63
One-shot UEFI boot menu	63
System Utilities	63
PXE boot	63
Installing and removing system components	65
Safety instructions	65
Before working inside your system	66
After working inside your system	66
Recommended tools	66
Optional front bezel	66
Removing the optional front bezel	66
Installing the optional front bezel	67
System cover	68
Removing the system cover	68
Installing the system cover	69
Inside the system	70
Air shroud	73
Removing the air shroud	73
Installing the air shroud	74
Cooling fans	76
Removing the cooling fan	76
Installing the cooling fan	77
Fan cage	78
Removing the fan cage	78
Installing the fan cage	79
Removing the fan tray	80
Installing the fan tray	81
Intrusion switch	82
Removing an intrusion switch	82
Installing an intrusion switch	83
Drives	84
Removing a drive blank	84
Installing a drive blank	85
Removing a drive carrier	85
Installing a drive carrier	86
Removing the drive from the drive carrier	87
Installing a drive into the drive carrier	88
Drive backplane	89
Drive backplane connectors	89
Removing drive backplane	91
Installing drive backplane	93
Cable routing	96
System memory	99
System memory guidelines	99
General memory module installation guidelines	101
NVDIMM-N memory module installation guidelines	102
DCPMM installation guidelines	105
Mode-specific guidelines	108
Removing a memory module	109
Installing a memory module	110
Processors and heat sinks	111
Removing a processor and heat sink module	111
Removing the processor from the processor and heat sink module	112
Installing the processor into a processor and heat sink module	114
Installing a processor and heat sink module	116
Processor expansion module	117
Removing the PEM	117
Installing the PEM	118
UPI cable routing	120
PEM power board	121
Removing the PEM power board	121
Installing the PEM power board	122
Expansion cards and expansion card risers	123
Expansion card installation guidelines	123
Removing expansion card riser blank	125
Installing expansion card riser blank	126
Removing the expansion card riser	127
Installing the expansion card riser	129
Removing the expansion card from expansion card riser	130
Installing expansion card into expansion card riser	131
M.2 SSD module	132
Removing the M.2 SSD module	132
Installing the M.2 SSD module	133
Network daughter card riser	134
Removing the NDC riser	134
Installing the NDC riser	135
Network daughter card	136
Removing the NDC	136
Installing the NDC	137
Storage controller card	138
Removing the storage controller card	138
Installing the storage controller card	139
Optional IDSDM or vFlash module	140
Removing the MicroSD card	140
Installing the MicroSD card	141
Optional IDSDM or vFlash module	142
Removing the optional IDSDM module	142
Installing optional IDSDM module	143
Power supply unit	144
Hot spare feature	144
Removing a power supply unit blank	144
Installing a power supply unit blank	145
Removing a power supply unit	145
Installing a power supply unit	146
Wiring instructions for a DC power supply unit	147
NVDIMM-N battery	148
Removing the NVDIMM-N battery	148
Installing NVDIMM-N battery	149
NVDIMM battery cable routing	151
System battery	151
Replacing system battery	151
Optional internal USB memory key	152
Replacing the optional internal USB memory key	152
System board	153
Removing the system board	153
Installing the system board	154
Entering the system Service Tag by using System Setup	156
Restoring the Service Tag by using the Easy Restore feature	156
Trusted Platform Module	156
Upgrading the Trusted Platform Module	156
Removing the TPM	157
Installing the TPM	157
Initializing TPM for BitLocker users	158
Initializing the TPM 1.2 for TXT users	158
Initializing the TPM 2.0 for TXT users	158
Control panel	158
Removing the right control panel	158
Installing the right control panel	159
Removing the left control panel	160
Installing the left control panel	161
System diagnostics	163
Dell Embedded System Diagnostics	163
Running the Embedded System Diagnostics from Boot Manager	163
Running the Embedded System Diagnostics from the Dell Lifecycle Controller	163
System diagnostic controls	164
PowerEdge R940 Jumpers and connectors	165
System board jumpers and connectors	165
System board jumper settings	168
Disabling forgotten password	168
Getting help	170
Recycling or End-of-Life service information	170
Contacting Dell EMC	170
Documentation feedback	171
Accessing system information by using QRL	171
Quick Resource Locator for PowerEdge R940 system	171