HP EliteBook 2740p User Manual

To discharge a battery:
1. Unplug the computer from its external power source, but do not turn off the computer.
2. Run the computer on battery power until the battery is discharged. The battery light begins to
blink when the battery has discharged to a low battery level. When the battery is discharged, the
battery light turns off and the computer shuts down.
Step 4: Fully recharge the battery
To recharge the battery:
1. Plug the computer into external power and maintain external power until the battery is fully
recharged. When the battery is recharged, the battery light on the computer turns off.
You can use the computer while the battery is recharging, but the battery will charge faster if the
computer is off.
2. If the computer is off, turn it on when the battery is fully charged and the battery light has turned
off.
Step 5: Reenable Hibernation and Sleep
CAUTION: Failure to reenable Hibernation after calibration may result in a full battery discharge and
information loss if the computer reaches a critical battery level.
1. Click the battery meter icon in the notification area, and then click More power options.
– or –
Select Start > Control Panel > System and Security > Power Options.
2. Under the current power plan, click Change plan settings.
3. Reenter the settings that you recorded for the items in the On battery column.
– or –
Click Restore default settings for this plan, and then follow the on-screen instructions.
NOTE: If you restore default settings, omit steps 4 through 8.
4. Click Change advanced power settings.
5. Click the plus sign (+) next to Sleep, and then click the plus sign (+) next to Hibernate after.
6. Reenter the setting that you recorded for On battery.
7. Click OK.
8. Click Save changes.
Conserving battery power
●
Select the Power saver power plan through Power Options under System and Security in the
Windows Control Panel.
●
Turn off wireless and local area network (LAN) connections and exit modem applications when
you are not using them.
Using battery power 79
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HP EliteBook 2740p Specifications

General

Bus type	DMI
Stepping	C2
Tjunction	105 °C
Processor cache	3 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	2.53 GHz
Processor cache type	Smart Cache
Processor technology	Intel Centrino 2 w/ vPro
Processor lithography	32 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	3.07 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)	19
Maximum number of PCI Express lanes	16
Number of Processing Die Transistors	382 M
Display	-
Modem speed	56 Kbit/s
Battery type	HP Long Life 6-cell (39 WHr) Lithium-Ion Primary Battery
Graphics card	HD Graphics
Internal modem	Yes
Expansion slots	1 Express Card/34; 1 Smart Card Reader; 1 secure digital/MultiMedia card
Video card note	Microsoft DirectX 10 (Shader 4.0) and OpenGL 2.1 capable, with DDR3 system memory
Dimensions (WxDxH)	290 x 212 x 31.7 mm
Power requirements	External 65W Smart AC adapter; Power cord (1.8 meters, with AC adapter 3.66 meters); HP Fast Charge
HDD controller type	Solid State Drive SATA II (5400 rpm)
Wireless technology	Intel 802.11a/b/g; HP Integrated Module with Bluetooth 2.1 Wireless Technology
Maximum HDD capacity	320 GB
Intel segment tagging	Enterprise
Minimum storage drive space	160 GB
Compatible operating systems	Genuine Windows Vista Enterprise 32; Genuine Windows Vista Enterprise 64; Genuine Windows 7 Home Premium; SuSE Linux Enterprise 10
Main camera resolution (numeric)	2 MP
Bluetooth version	2.1+EDR
Networking features	Integrated Intel 82577 Gigabit Ethernet (10/100/1000 NIC)
Operating temperature (T-T)	5 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Memory slots	2x SO-DIMM
Memory upgrade	8 GB
Internal memory	4 GB
Memory clock speed	1333 MHz
HDD capacity	0 GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
Display diagonal	12.1 \
Display resolution	1280 x 800 pixels
Native aspect ratio	16:10
Audio system	HD
Audio included	High Definition Audio support with 24-bit DAC, Integrated stereo speakers, Integrated dual-microphone array, Touch-sensitive controls for volume up, volume down, and mute, Combo headphone/mic jack
Motherboard chipset	Intel® QM57 Express
I/O ports	3 USB 2.0; 1 1394a; 1 AC power; 1 combo stereo headphone/mic jack; 1 docking connector; 1 RJ-11; 1 RJ-45; 1 secondary battery connector; 1 VGA-in
Charging port type	DC-in jack
USB 2.0 ports quantity	3
Firewire (IEEE 1394) ports	1
Number of battery cells	6
Trial software	WinZip 12; Microsoft Office Professional 2007; HP SkyRoom
Bundled software	HP Recovery Manager; HP Support Assistant; HP QuickLaunch Buttons; HP QuickLook 3; HP QuickWeb; HP DayStarter; HP Power Assistant; HP Connection Manager; HP Wireless Assistant
Operating system installed	Windows 7 Professional
Form factor	Convertible (Swivel)
Product type	Hybrid (2-in-1)
Country of origin	China
Storage drive type	160 GB Solid State Drive SATA II Hard Drive 160, 250 or 320 GB (5400 rpm), Solid State Drive 80 or 160 GB, HP 3D DriveGuard
Keyboard type	HP spill-resistant keyboard, HP Night Light shines directly on the keyboard for low-light conditions
Keyboard layout	QWERTY
Processor ARK ID	43544
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
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

Weight and Dimensions

Depth	212 mm
Width	290 mm
Height	31.7 mm
Weight	1720 g