HP ProBook 6450b User Manual

Speaker assembly
NOTE: The speaker assembly spare part kit includes a cable.
Description Spare part number
For use only on computer models equipped with a 15.6-in display assembly 613348-001
For use only on computer models equipped with a 14.0-in display assembly 613347-001
Before removing the speaker assembly, 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 following components:
a. Bluetooth module (see
Bluetooth module on page 81)
b. Mass storage device (see
Mass storage device on page 83)
c.
Optical drive (see
Optical drive on page 94)
d. Keyboard (see
Keyboard on page 96)
e. Switch cover (see
Switch cover on page 103)
f. Palm rest (see
Palm rest on page 107)
g. Display assembly (see
Display assembly on page 116)
h. Top cover (see
Top cover on page 128)
i. ExpressCard assembly (only on computer models equipped with a 15.6-in display assembly,
see
ExpressCard assembly on page 133)
Remove the speaker assembly:
NOTE: Steps 1 and 2 apply only to computer models equipped with a 15.6-in display assembly. See
steps 3 through 5 for speaker assembly removal information for computer models equipped with 14.0-
in display assembly.
1. Remove the slotted Torx T8M2.5×7.0 screw (1) that secures the speaker assembly to the base
enclosure.
Component replacement procedures
137

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