HP PROBOOK 4520S Service Manual

10 Recycling
Battery
When a battery has reached the end of its useful life, do not dispose of the battery in general
household waste. Follow the local laws and regulations in your area for computer battery disposal.
Display
WARNING! The backlight contains mercury. Exercise caution when removing and handling the
backlight to avoid damaging this component and causing exposure to the mercury.
CAUTION: The procedures in this chapter can result in damage to display components. The only
components intended for recycling purposes are the liquid crystal display (LCD) panel and the
backlight. When you remove these components, handle them carefully.
NOTE: Materials Disposal. This HP product contains mercury in the backlight in the display
assembly that might require special handling at end-of-life. Disposal of mercury may be regulated
because of environmental considerations. For disposal or recycling information, contact your local
authorities, or see the Electronic Industries Alliance (EIA) Web site at
http://www.eiae.org.
This section provides disassembly instructions for the display assembly. The display assembly must be
disassembled to gain access to the backlight (1) and the liquid crystal display (LCD) panel (2).
NOTE: The procedures provided in this chapter are general disassembly instructions. Specific details,
such as screw sizes, quantities, and locations, and component shapes and sizes, can vary from one
computer model to another.
Battery
157

HP PROBOOK 4520S Specifications

General

Bus type	DMI
Stepping	C2
Tjunction	105 °C
Processor cache	3 MB
Processor cores	2
Processor model	i3-330M
System bus rate	2.5 GT/s
Processor family	Intel® Core™ i3
Processor series	Intel Core i3-300 Mobile Series
Processor socket	BGA 1288
Processor threads	4
Processor codename	Arrandale
Processing Die size	81 mm²
Processor frequency	2.13 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 operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16
Thermal Design Power (TDP)	35 W
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	320 GB
Display diagonal	15.6 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Memory slots	2x SO-DIMM
Internal memory	3 GB
Memory clock speed	1333 MHz
Internal memory type	DDR2-SDRAM
Memory layout (slots x size)	1 x 1 + 1 x 2 GB
Discrete graphics card model	AMD Mobilty Radeon HD 4330
On-board graphics card model	Intel® HD Graphics
Discrete graphics card memory	0.512 GB
On-board graphics card base frequency	500 MHz
On-board graphics card dynamic frequency (max)	667 MHz
Type	PC
Wireless technology	802.11b/g/n
Intel segment tagging	Enterprise
Audio system	HD
Bluetooth version	2.1+EDR
Networking features	Gigabit Ethernet
Trial software	Corel Home Office; Microsoft Office Professional 2007; WinZip 12;
Operating system installed	Windows 7 Professional
Battery life (max)	5 h
Number of battery cells	6
Charging port type	DC-in jack
Serial ports quantity	0
USB 2.0 ports quantity	3
Sustainability certificates	ENERGY STAR
Processor code	SLBNF
Processor ARK ID	47663
Processor package size	rPGA 37.5x 37.5, BGA 34x28 mm
Graphics & IMC lithography	45 nm
Supported instruction sets	SSE4.1, SSE4.2
Country of origin	China

Weight and Dimensions

Depth	249.6 mm
Width	371.8 mm
Weight	2390 g
Height (front)	27.7 mm