Dell PowerEdge R740xd Service Manual

System board jumper settings
For information on resetting the password jumper to disable a password, see the Disabling a forgotten password section.
Table 47. System board jumper settings
Jumper Setting Description
PWRD_EN The BIOS password feature is enabled.
The BIOS password feature is disabled. iDRAC local access is
unlocked at next AC power cycle. iDRAC password reset is enabled
in F2 iDRAC settings menu.
NVRAM_CLR The BIOS conguration settings are retained at system boot.
The BIOS conguration settings are cleared at system boot.
Related link
Disabling forgotten password
Disabling forgotten password
The software security features of the system include a system password and a setup password. The password jumper enables or disables
password features and clears any password(s) currently in use.
Prerequisite
CAUTION
: Many repairs may only be done by a certied 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 is not covered by your warranty. Read and follow the safety instructions that are
shipped with your product.
Steps
1 Turn o the system, including any attached peripherals, and disconnect the system from the electrical outlet.
2 Remove the system cover.
3 Move the jumper on the system board jumper from pins 2 and 4 to pins 4 and 6.
4 Install the system cover.
The existing passwords are not disabled (erased) until the system boots with the jumper on pins 4 and 6. However, before you assign a
new system and/or setup password, you must move the jumper back to pins 2 and 4.
NOTE
: If you assign a new system and/or setup password with the jumper on pins 4 and 6, the system disables the new
password(s) the next time it boots.
5 Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
6 Turn o the system, including any attached peripherals, and disconnect the system from the electrical outlet.
7 Remove the system cover.
8 Move the jumper on the system board jumper from pins 4 and 6 to pins 2 and 4.
9 Install the system cover.
10 Reconnect the system to its electrical outlet and turn on the system, including any attached peripherals.
11 Assign a new system and/or setup password.
Jumpers and connectors
207

Dell PowerEdge R740xd Specifications

General

Processor cache	22 MB
Processor model	4216
Execute Disable Bit	Yes
Processor frequency	2.1 GHz
Processor manufacturer	Intel
Processor boost frequency	3.2 GHz
On-board graphics card	-
Memory slots	24
Memory ranking	2
Internal memory	16 GB
Buffered memory type	Registered (buffered)
Internal memory type	DDR4-SDRAM
Maximum internal memory	192 GB
HDD size	2.5 \
HDD speed	10000 RPM
HDD interface	Serial Attached SCSI (SAS)
Optical drive type	No
Total storage capacity	1800 GB
Maximum storage capacity	- TB
Number of HDDs installed	1
Supported RAID controllers	PERC H740P 8GB
LAN controller	Broadcom 5720, Broadcom 57412
Cabling technology	10/100/1000Base-T(X)
Ethernet interface type	10 Gigabit Ethernet, Gigabit Ethernet
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Ethernet LAN (RJ-45) ports	4
Chassis type	Rack (2U)
Product color	Black
Compatible operating systems	- Canonical Ubuntu LTS - Citrix XenServer - Microsoft Windows Server with Hyper-V - Red Hat Enterprise Linux - SUSE Linux Enterprise Server - VMware ESXi
Power supply	750 W
Certification	CE, CCC, BIS
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 12000 m
Storage temperature (T-T)	-40 - 65 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 80 %

Weight and Dimensions

Width	- mm
Height	86.8 mm