HP PROBOOK 6440B User Manual

Using Power Assistant (select models only)
Power Assistant allows you to configure system settings to optimize your computer's power consumption
and battery charge. Power Assistant provides tools and information to help you make informed decisions
on power management:
●
Power consumption predictions in hypothetical system configurations
●
Predefined power profiles
●
Usage details and graphs showing power consumption trends over time
Starting Power Assistant
To start Power Assistant when Windows is running:
Select Start > All Programs > HP > HP Power Assistant.
– or –
Press fn+f8.
Power Assistant opens, and the following tabs are displayed:
●
Settings—Displays the opening page, which shows battery charge and power consumption
information.
●
Preferences—Enables you to set device preferences.
●
Usage Details—Enables you to enter information about computer use.
●
Charts—Displays charts and graphs of power consumption.
●
About—Displays Power Assistant Help and version information.
For more information about using, configuring, and managing Power Assistant, refer to the Power
Assistant software Help.
Using external AC power
External AC power is supplied through one of the following devices:
WARNING! To reduce potential safety issues, use only the AC adapter provided with the computer,
a replacement AC adapter provided by HP, or a compatible AC adapter purchased from HP.
●
Approved AC adapter
●
Optional docking device
Connect the computer to external AC power under any of the following conditions:
WARNING! Do not charge the computer battery while you are onboard aircraft.
●
When you are charging or calibrating a battery
●
When you are installing or modifying system software
●
When you are writing information to a CD or DVD
74 Chapter 5 Power management

HP PROBOOK 6440B Specifications

General

Bus type	DMI
Stepping	C2
Tjunction	105 °C
Processor cache	3 MB
Processor cores	2
System bus rate	2.5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-400 Series
Processor socket	BGA 1288
Processor threads	4
Processor codename	Arrandale
Processing Die size	81 mm²
Processor frequency	2.26 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	2.53 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	17
Maximum number of PCI Express lanes	16
Number of Processing Die Transistors	382 M
Motherboard chipset	Intel® HM57 Express
HDD speed	7200 RPM
HDD interface	SATA II
Optical drive type	DVD Super Multi
Total storage capacity	250 GB
LED backlight	Yes
Display diagonal	- \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	- GB
Discrete graphics card model	-
On-board graphics card model	Intel® HD Graphics
On-board graphics card base frequency	500 MHz
On-board graphics card dynamic frequency (max)	766 MHz
Type	PC
Dimensions (WxDxH)	30 x 340 x 240 mm
Wireless technology	Wi-Fi
Intel segment tagging	Enterprise
Compliance industry standards	IEEE 802.11 b/g/n
Networking type	GigabitEthernet, WLAN
Operating system installed	Windows XP Professional
Charging port type	DC-in jack
Serial ports 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.
Product color	Black
Country of origin	China
Processor code	SLBPM
Processor ARK ID	43537
Processor package size	rPGA 37.5x 37.5, BGA 34x28 mm
Graphics & IMC lithography	45 nm
Supported instruction sets	SSE4.1, SSE4.2
Intel® Turbo Boost Technology	1.0

Weight and Dimensions

Depth	340 mm
Width	30 mm
Height	240 mm
Weight	2260 g