HP EliteBook 8540P Maintenance And Service Guide

Lights
NOTE: Lights indicated by callouts 5 – 7 and 10 – 13 are always lit when the computer is powered
on. The light does not imply the function is active.
NOTE: If you press the lights indicated by callouts 5, 6, 11, 12, and 13, the light blinks for a few
seconds and turns back on.
Component Description
(1)
Wireless lights (2)
†
●
Blue: An integrated wireless device, such as a wireless local
area network (WLAN) device and/or a Bluetooth® device, is
on.
●
Amber: All wireless devices are off.
(2) Power lights (2)* Wireless lights (2)†
● On: The computer is on.
● Blinking: The computer is in the Sleep state.
● Off: The computer is off or in Hibernation.
(3) Battery light ● Amber: A battery is charging.
●
Turquoise: A battery is close to full charge capacity.
●
Blinking amber: A battery that is the only available power
source has reached a low battery level. When the battery
reaches a critical battery level, the battery light begins
blinking rapidly.
● Off: If the computer is plugged into an external power
source, the light turns off when all batteries in the computer
are fully charged. If the computer is not plugged into an
external power source, the light stays off until the battery
reaches a low battery level.
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HP EliteBook 8540P Specifications

General

Bus type	DMI
Stepping	K0
Tjunction	105 °C
Processor cache	4 MB
Processor cores	2
Processor model	i7-640M
System bus rate	2.5 GT/s
Processor family	Intel® Core™ i7
Processor series	Intel Core i7-600 Mobile Series
Processor socket	BGA 1288
Processor threads	4
Processor codename	Arrandale
Processing Die size	81 mm²
Processor frequency	2.8 GHz
Processor cache type	Smart Cache
Processor lithography	32 nm
Processor manufacturer	Intel
PCI Express slots version	2.0
Processor boost frequency	3.46 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)	21
Maximum number of PCI Express lanes	16
Number of Processing Die Transistors	382 M
Motherboard chipset	Intel® QM57 Express
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	-
Card reader integrated	Yes
Total storage capacity	320 GB
Number of HDDs installed	1
Display diagonal	15.6 \
Display resolution	1600 x 900 pixels
Native aspect ratio	16:9
Modem speed	56 Kbit/s
Power supply type	AC/DC
Intel segment tagging	Enterprise
Compliance industry standards	IEEE802.3, IEEE802.3u, IEEE802.3ab
Internal memory	4 GB
Memory clock speed	1333 MHz
Internal memory type	DDR3-SDRAM
Maximum internal memory	8 GB
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
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
Charging port type	DC-in jack
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.
CardBus PCMCIA slots quantity	0
AC adapter power	90 W
Battery capacity	73 Wh
Number of battery cells	8
Product color	Black, Silver
Country of origin	China
Processor code	SLBTN
Processor ARK ID	49666
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	252 mm
Width	374 mm
Height	32 mm
Weight	2950 g