HP ProBook 6450b User Manual

Fan
Description Spare part number
Fan 613349-001
NOTE: To properly ventilate the computer, allow at least a 7.6-cm (3-inch) clearance on the right
side and rear panel of the computer.
The computer uses an electric fan for ventilation. The fan is controlled by a temperature sensor and is
designed to turn on automatically when high temperature conditions exist. These conditions are affected
by high external temperatures, system power consumption, power management/battery conservation
configurations, battery fast charging, and software requirements. Exhaust air is displaced through the
ventilation grill located on the left side of the computer.
Before removing the fan, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet,
and then unplugging the AC adapter from the computer.
4. Remove the battery (see
Battery on page 79).
5. Remove the keyboard (see
Keyboard on page 96).
6. Remove the switch cover (see
Switch cover on page 103).
Remove the fan:
1. Disconnect the fan cable (1) from the system board.
2.
Remove the two slotted Torx T8M2.5×7.0 screws (2) that secure the fan to the system board.
Component replacement procedures
109

HP ProBook 6450b Specifications

General

Bus type	DMI
Stepping	C2
Tjunction	105 °C
Processor cache	2 MB
Processor cores	2
System bus rate	2.5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-500 Mobile Series
Processor socket	BGA 956
Processor threads	4
Processor codename	Arrandale
Processing Die size	81 mm²
Processor frequency	2.4 GHz
Processor cache type	L2
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	2.93 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)	18
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 DL
Card reader integrated	Yes
Total storage capacity	250 GB
Number of HDDs installed	1
Display diagonal	14 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Power supply type	AC/DC
Intel segment tagging	Enterprise
Operating temperature (T-T)	41 - 95 °F
Compliance industry standards	IEEE802.3, IEEE802.3u, IEEE802.3ab
Memory slots	2x SO-DIMM
Internal memory	2 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
Pointing device	Touchpad
Wi-Fi standards	802.11a, 802.11b, 802.11g
Bluetooth version	2.1+EDR
Cabling technology	10/100/1000Base-T(X)
Networking features	Gigabit Ethernet
Operating system installed	Windows 7 Professional
Operating system architecture	32-bit
ExpressCard slot	-
Charging port type	DC-in jack
USB 2.0 ports quantity	3
CardBus PCMCIA slots quantity	0
AC adapter power	65 W
Battery capacity	55 Wh
Number of battery cells	6
Storage relative humidity (H-H)	5 - 95 %
Product color	Black, Silver
Country of origin	China
Discrete graphics card model	Intel® HD Graphics
On-board graphics card base frequency	500 MHz
On-board graphics card dynamic frequency (max)	766 MHz
Processor ARK ID	47341
Processor package size	rPGA 37.5x 37.5, BGA 34x28 mm
Graphics & IMC lithography	45 nm
Supported instruction sets	SSE4.1/4.2
Intel® Turbo Boost Technology	1.0
Physical Address Extension (PAE)	36 bit

Weight and Dimensions

Depth	236.2 mm
Width	339 mm
Height	33.8 mm
Weight	2260 g