Dell PowerEdge R740xd Service Manual

Figure 118. Back view of 3.5 inch backplane (mid drive tray)
1 power connector (J_BP_PWR) 2 SAS connector (J_SAS_A1)
3 signal connector (J_BP_SIG) 4 SAS connector (J_SAS_B1)
5 release tab (2)
Figure 119. Back view of 2.5 inch backplane (rear drive cage)
1 signal connector (J_BP_SIG) 2 power connector (J_BP_PWR_A)
3 SAS connector (J_SAS_1)
Figure 120. Back view of 3.5 inch backplane (rear drive cage)
1
power connector (J_BP_PWR_A) 2 SAS connector (J_SAS_A)
3 release pin (2) 4 signal connector (J_BP_SIG)
Removing drive backplane
The procedure to remove the backplane is identical for all backplane congurations.
Prerequisites
CAUTION
: To prevent damage to the drives and backplane, remove the drives from the system before removing the backplane.
CAUTION: Note the number of each drive and temporarily label them before you remove the drive so that you can replace them
in the same locations.
1
Follow the safety guidelines listed in Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 Remove the air shroud.
4 Remove the cooling fan assembly.
5 Remove the backplane cover.
6 Remove all drives.
7 Disconnect all the cables from the backplane.
Step
Press the release tabs and lift the backplane to disengage the backplane from the hooks on the system.
Installing and removing system components
163

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