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Serial Communication, Table 31. Slot Bifurcation continued

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Option Description Table 31. Slot Bifurcation (continued) Option Slot 7 Bifurcation Description x16 or x4 or x8 or x4x4x4x8 or x8x4x4 Bifurcation Serial Communication You can use the Serial Communication screen to view the properties of the serial communication port. Viewing Serial Communication To view the Serial Communication screen, perform the following steps: Steps 1. Power on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click Serial Communication. Serial Communication details About this task The Serial Communication screen details are explained as follows: Option Description Serial Communication Enables you to select serial communication devices (Serial Device 1 and Serial Device 2) in BIOS. BIOS console redirection can also be enabled, and the port address can be specified. This option is set to Auto by default. Serial Port Address Enables you to set the port address for serial device. This field sets the serial port address to either COM1 or COM2 (COM1=0x3F8, COM2=0x2F8). This option is set to Serial Device1=COM2 or Serial Device 2=COM1 by default. NOTE: You can use only Serial Device 2 for the Serial Over LAN (SOL) feature. To use console redirection by SOL, configure the same port address for console redirection and the serial device. NOTE: Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings from within the BIOS setup utility may not always revert the serial MUX setting to the default setting of Serial Device 1. External Serial Connector Enables you to associate the External Serial Connector to Serial Device 1, Serial Device 2, or the Remote Access Device by using this option. This option is set to Serial Device 1 by default. NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection by SOL, configure the same port address for console redirection and the serial device. NOTE: Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings Pre-operating system management applications 47

Section	Page
Dell EMC PowerEdge C4140 Installation and Service Manual	3
Dell EMC PowerEdge C4140 system overview	7
Front view and panel of the system	7
Control panel	8
System diagnostics and indicator codes	8
Rear view of the system	9
NIC indicator codes	9
Power supply unit indicator codes	10
Locating Service Tag of your system	10
Inside the system	11
System information label	14
Documentation resources	20
Technical specifications	22
Chassis dimensions	23
System weight	23
GPU specifications	23
Processor specifications	24
Supported operating systems	24
PSU specifications	24
Cooling fans specifications	24
System battery specifications	25
Expansion bus specifications	25
Memory specifications	25
Storage specifications	25
Drive specifications	25
Ports and connectors specifications	26
USB ports	26
NIC ports	26
Serial port	26
VGA ports	26
Video specifications	27
Environmental specifications	27
Standard operating temperature	28
Maximum recommended ambient operating temperature	28
Particulate and gaseous contamination specifications	29
Initial system setup and configuration	31
Setting up your system	31
iDRAC configuration	31
Options to set up iDRAC IP address	31
Log in to iDRAC	31
Options to install the operating system	32
Methods to download firmware and drivers	32
Downloading drivers and firmware	33
Pre-operating system management applications	34
Options to manage the pre-operating system applications	34
System Setup	34
Viewing System Setup	34
System Setup details	35
System BIOS	35
Viewing System BIOS	35
System BIOS Settings details	35
System Information	36
Viewing System Information	36
System Information details	36
Memory Settings	37
Viewing Memory Settings	37
Memory Settings details	37
Processor Settings	38
Viewing Processor Settings	38
Processor Settings details	38
SATA Settings	40
Viewing SATA Settings	40
SATA Settings details	40
NVMe Settings	41
Viewing NVMe Settings	41
NVMe Settings details	41
Boot Settings	41
Viewing Boot Settings	42
Boot Settings details	42
Choosing system boot mode	43
Changing boot order	43
Network Settings	43
Viewing Network Settings	43
Network Settings screen details	44
Integrated Devices	44
Viewing Integrated Devices	44
Integrated Devices details	45
Serial Communication	47
Viewing Serial Communication	47
Serial Communication details	47
System Profile Settings	48
Viewing System Profile Settings	48
System Profile Settings details	48
System Security	49
Viewing System Security	49
System Security Settings details	50
Creating a system and setup password	51
Using your system password to secure the system	52
Deleting or changing system and setup password	52
Operating with setup password enabled	52
Redundant OS Control	53
Viewing Redundant OS Control	53
Redundant OS Control screen details	53
Miscellaneous Settings	54
Viewing Miscellaneous Settings	54
Miscellaneous Settings details	54
iDRAC Settings utility	55
Device Settings	55
Dell Lifecycle Controller	55
Embedded system management	55
Boot Manager	55
Viewing Boot Manager	55
Boot Manager main menu	56
One-shot UEFI boot menu	56
System Utilities	56
PXE boot	56
PowerEdge C4140 installing and removing system components	57
Safety instructions	57
Before working inside your system	58
After working inside your system	58
Recommended tools	58
System cover	58
Removing the front system cover	58
Installing the front system cover	59
Removing the rear system cover	60
Installing the rear system cover	61
Air shroud	63
Removing the air shroud	63
Installing the air shroud	64
Cooling fans	66
Removing a cooling fan	66
Installing a cooling fan	66
Hard drives	67
Removing the 2.5-inch drive cage	67
Installing the 2.5-inch drive cage	68
Removing the 2.5-inch drive cage cover	69
Installing the 2.5-inch drive cage cover	70
Removing 2.5-inch cabled drives from the drive cage	71
Installing a 2.5-inch cabled drive into the drive cage	72
Intrusion switch	73
Removing the intrusion switch	73
Installing the intrusion switch	74
System memory	75
System memory guidelines	75
General memory module installation guidelines	76
Mode-specific guidelines	77
Removing a memory module	78
Installing a memory module	79
Expansion cards and expansion card risers	80
Expansion card installation guidelines	80
Removing an expansion card riser	81
Installing an expansion card riser	83
Removing an expansion card from the expansion card riser	84
Installing an expansion card into expansion card riser	86
Processor and heat sink	88
Removing a processor and heat sink module	88
Removing the processor	89
Installing the processor	90
Installing a processor and heat sink module	93
Network daughter card	94
Removing the network daughter card	94
Installing the network daughter card	95
System battery	96
Replacing the system battery	96
Optional internal USB memory key	97
Replacing the optional internal USB memory key	97
Graphics processing unit	98
PCIe Graphics processing unit	98
GPU installation guidelines	98
Removing a GPU riser cable from the GPU switch board	98
Removing a GPU	99
Removing a GPU riser cable board	101
Removing the GPU brackets from the GPUs removed from your system	102
Removing the GPU brackets from the replacement GPUs	102
Removing the GPU switch board	103
Installing the optional GPU switch board	104
Installing the custom GPU brackets on the replacement GPUs	105
Installing the GPU brackets on the GPUs removed from your system	106
Installing a GPU riser cable board	107
Installing a GPU	108
Installing a GPU riser cable on the GPU switch board	110
GPU cabling diagrams	111
SXM2 Graphics processing unit	114
Removing the NVLink Air Shroud	114
Removing the SXM2-GPU Heat Sink	115
Removing the SXM2 GPU	116
Removing the NVLink Board	118
Installing the NVLink Board	119
Installing an SXM2 GPU	119
Installing the SXM2-GPU Heat Sink	121
Installing the NVLink Air Shroud	123
Power supply units	123
Removing a power supply unit blank	124
Installing a power supply unit blank	124
Removing a power supply unit	125
Installing a power supply unit	126
System board	126
Removing the system board	126
Installing the system board	128
Restoring the system using Easy Restore	130
Manually update the Service Tag	130
Trusted Platform Module	131
Upgrading the Trusted Platform Module	131
Removing the TPM	131
Installing the TPM	131
Initializing TPM for BitLocker users	132
Initializing the TPM 1.2 for TXT users	132
Initializing the TPM 2.0 for TXT users	132
Control panel	133
Removing the control panel module	133
Installing the control panel module	134
System diagnostics	135
Dell Embedded System Diagnostics	135
Running the Embedded System Diagnostics from Boot Manager	135
Running the Embedded System Diagnostics from the Dell Lifecycle Controller	135
System diagnostic controls	136
Jumpers and connectors	137
System board jumpers and connectors	137
System board jumper settings	138
Disabling forgotten password	139
Getting help	140
Contacting Dell EMC	140
Documentation feedback	140
Accessing system information by using QRL	140
Quick Resource Locator for C4140	141
Receiving automated support with SupportAssist	141

Match case Limit results 1 per page

Option

Description

Table 31. Slot Bifurcation (continued)

Option

Description

Slot 7 Bifurcation

x16 or x4 or x8 or x4x4x4x8 or x8x4x4 Bifurcation

Serial Communication

You can use the

Serial Communication

screen to view the properties of the serial communication port.

Viewing Serial Communication

To view the

Serial Communication

screen, perform the following steps:

Steps

Power on, or restart your system.

Press F2 immediately after you see the following message:

F2 = System Setup

NOTE:

If your operating system begins to load before you press F2, wait for the system to finish booting, and then

restart your system and try again.

On the

System Setup Main Menu

screen, click

System BIOS

On the

System BIOS

screen, click

Serial Communication

Serial Communication details

About this task

The

Serial Communication

screen details are explained as follows:

Option

Description

Serial

Communication

Enables you to select serial communication devices (Serial Device 1 and Serial Device 2) in BIOS. BIOS console

redirection can also be enabled, and the port address can be specified. This option is set to

Auto

by default.

Serial Port

Address

Enables you to set the port address for serial device. This field sets the serial port address to either

COM1

COM2

(COM1=0x3F8, COM2=0x2F8). This option is set to

Serial Device1=COM2 or Serial Device 2=COM1

by default.

NOTE:

You can use only Serial Device 2 for the Serial Over LAN (SOL) feature. To use console

redirection by SOL, configure the same port address for console redirection and the serial device.

NOTE:

Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The

serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings

from within the BIOS setup utility may not always revert the serial MUX setting to the default

setting of Serial Device 1.

External Serial

Connector

Enables you to associate the External Serial Connector to

Serial Device 1

Serial Device 2

, or the

Remote

Access Device

by using this option. This option is set to

Serial Device 1

by default.

NOTE:

Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection by

SOL, configure the same port address for console redirection and the serial device.

NOTE:

Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The

serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings

Pre-operating system management applications