HP PROBOOK 6440B User Manual

Component Description
(2) Embedded numeric keypad Can be used like the keys on an external numeric keypad when
pressed in combination with the fn and num lk keys.
(3) num lk key Alternates between the navigation and numeric functions on the
embedded numeric keypad.
NOTE: The keypad function that is active when the computer is
turned off will be reinstated when the computer is turned back on.
Enabling and disabling the embedded numeric keypad
Press fn+num lk to enable the embedded numeric keypad. Press fn+num lk again to return the keys to
their standard keyboard functions.
NOTE: The embedded numeric keypad will not function while an external keyboard or numeric keypad
is connected to the computer.
Switching key functions on the embedded numeric keypad
You can temporarily alternate the functions of keys on the embedded numeric keypad between their
standard keyboard functions and their keypad functions by using the fn key or the fn+shift key
combination.
●
To change the function of a keypad key to keypad functions while the keypad is off, press and hold
the fn key while pressing the keypad key.
●
To use the keypad keys temporarily as standard keys while the keypad is on:
◦
Press and hold the fn key to type in lowercase.
◦
Press and hold fn+shift to type in uppercase.
Using the integrated numeric keypad
If the computer includes an integrated numeric keypad, the 17 keys of the integrated numeric keypad
can be used like the keys on an external keypad.
Using keypads 47

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