HP ProBook 4540s User Manual

8 Power cord set requirements
The wide-range input feature of the computer permits it to operate from any line voltage from 100 to
120 volts ac, or from 220 to 240 volts ac.
The 3-conductor power cord set included with the computer meets the requirements for use in the
country or region where the equipment is purchased.
Power cord sets for use in other countries and regions must meet the requirements of the country or
region where the computer is used.
Requirements for all countries and regions
The following requirements are applicable to all countries and regions:
●
The length of the power cord set must be at least 1.5 m (5.0 ft) and no more than 2.0 m (6.5 ft).
●
All power cord sets must be approved by an acceptable accredited agency responsible for
evaluation in the country or region where the power cord set will be used.
●
The power cord sets must have a minimum current capacity of 10 A and a nominal voltage rating
of 125 or 250 V ac, as required by the power system of each country or region.
●
The appliance coupler must meet the mechanical configuration of an EN 60 320/IEC 320
Standard Sheet C13 connector for mating with the appliance inlet on the back of the computer.
154 Chapter 8 Power cord set requirements

HP ProBook 4540s Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black, Grey
Country of origin	China
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	1 x 2 GB
HDD speed	5400 RPM
HDD interface	SATA
Storage media	HDD
Optical drive type	DVD Super Multi DL
Card reader integrated	Yes
Total storage capacity	750 GB
Compatible memory cards	SD, SDHC, SDXC
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
On-board graphics card ID	0x166
Discrete graphics card model	AMD Radeon HD 7650M
On-board graphics card model	Intel® HD Graphics 4000
Discrete graphics card memory	1 GB
Discrete graphics memory type	GDDR3
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1000 MHz
Intel segment tagging	Enterprise
Number of built-in speakers	2
Front camera signal format	720p
Charging port type	DC-in jack
DisplayPorts quantity	0
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.
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Battery capacity	47 Wh
Battery life (max)	7 h
Number of battery cells	6
Sustainability certificates	ENERGY STAR
Pointing device	Touchpad
Bus type	DMI
Stepping	L1
Tjunction	90 °C
Processor cache	3 MB
Processor model	i3-3110M
System bus rate	5 GT/s
Processor family	Intel® Core™ i3
Processor socket	BGA 1023
Processor threads	4
Processor codename	Ivy Bridge
Processor frequency	2.4 GHz
Processor cache type	Smart Cache
Processor lithography	22 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor operating modes	64-bit
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	24
Maximum number of PCI Express lanes	16
Operating system installed	FreeDOS
AC adapter power	90 W
Processor code	SR0N2
Processor ARK ID	65700
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00

Weight and Dimensions

Depth	256 mm
Width	375 mm
Height	28 mm
Weight	247 g