HP EliteBook 8540P Maintenance And Service Guide

Display assembly
All display assemblies include 3 WLAN antenna transceivers and cables, and 2 WWAN antenna
transceivers and cables.
Description Spare part number
For use in model 8540p:
39.6-cm (15.6-in) LED, HD, AntiGlare for use in computers without a webcam 595736-001
39.6-cm (15.6-in) LED, HD, AntiGlare for use in computers with a webcam 595737-001
39.6-cm (15.6-in) LED, FHD for use in computers without a webcam 595738-001
39.6-cm (15.6-in) LED, FHD for use in computers with a webcam 600755-001
39.6-cm (15.6-in) LED, HD+ WVA for use in computers without a webcam 595739-001
39.6-cm (15.6-in) LED, HD+ for use in computers with a webcam 595740-001
For use in model 8540w:
39.6-cm (15.6-in) LED, HD, AntiGlare for use in computers without a webcam 600756-001
39.6-cm (15.6-in) LED, HD, AntiGlare for use in computers with a webcam 600757-001
39.6-cm (15.6-in) LED, HD+ WVA for use in computers without a webcam 600760-001
39.6-cm (15.6-in) LED, HD+ WVA for use in computers with a webcam 600761-001
39.6-cm (15.6-in) LED, FHD for use in computers without a webcam 600758-001
39.6-cm (15.6-in) LED, FHD for use in computers with a webcam 600759-001
39.6-cm (15.6-in) LED, FHD, DreamColor for use in computers without a webcam 606979-001
39.6-cm (15.6-in) LED, FHD, DreamColor for use in computers with a webcam 606980-001
Before removing the display 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 47).
5. Disconnect the wireless antenna cables from the WLAN module (see
WLAN module
on page 69) and the WWAN module (see WWAN module on page 62).
6. Remove the following components:
a. Keyboard (see
Keyboard on page 65)
b. Switch cover (see
Switch cover on page 72)
82 Chapter 4 Removal and replacement procedures

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