Lenovo ThinkPad T450 User Manual

–WhenthebatteryiconintheWindowsnotificationareashowsalowpercentageofbatterypower
remaining
–Whenthebatterieshavenotbeenusedforalongtime
Checkingthebatterystatus
ThebatterystatusiconintheWindowsnotificationareadisplaysthepercentageofbatterypowerremaining.
Therateatwhichyouusebatterypowerdetermineshowlongyoucanusethebatteryofyourcomputer
betweencharges.Becauseofdifferentuserhabitsandneeds,itisdifficulttopredicthowlongabattery
chargewilllast.Therearetwomainfactors:
•Howmuchenergyisstoredinthebatterywhenyoubegintowork.
•Thewayyouuseyourcomputer.Forexample:
–Howoftenyouaccesstheharddiskdriveorsolid-statedrive.
–Howbrightyoumakethecomputerdisplay.
–Howoftenyouusethewirelessfeatures.
Tocheckfordetailedbatterystatusinformation,dothefollowing:
•ForWindows7:StartthePowerManagerprogramandclicktheBatterytab.
•ForWindows8.1:StarttheLenovoSettingsprogramandclickPower.
EnablingthebatteryalarmontheWindows7operatingsystem
FortheWindows7operatingsystem,youcanprogramyourcomputersothatwhenthebatterypowerfalls
belowacertainlevel,threeeventsoccur:thealarmgoesoff,amessageisdisplayed,andtheLCDturnsoff.
Toenablethebatteryalarm,dothefollowing:
1.StartthePowerManagerprogram.
2.ClicktheGlobalPowerSettingstab.
3.ForLowbatteryalarmorCriticallylowbatteryalarm,setthepercentageofthepowerlevelandset
theaction.
Note:Ifyourcomputerenterssleeporhibernationmodewhenthebatteryislow,butthealarmmessage
hasnotyetbeendisplayed,themessagewillbedisplayedwhenthecomputerresumes.Toresumenormal
operation,whenthemessageisdisplayed,clickOK.
Chargingthebatteries
Itisrecommendedthatyouchargethebatteryorreplaceitwithachargedbatterywhenthebatterypower
remainingislow.Forexample:
•Whenyoufindthatthepercentageoftheremainingpowerislow
•Whenthepoweralarmalertsyou
Ifanacoutletisconvenient,plugtheacpoweradapterintotheoutlet,andthenplugitintoacpower
connectorofthecomputer.Dependingonthebatterysizeandthephysicalenvironment,thebatterywill
befullychargedinaboutthreetosixhours.Thebattery-statusindicatorhelpsyouidentifythatthebattery
ischarging,andalsonotifiesyouwhenthebatteryisfullycharged.
Note:Tomaximizethelifeofthebattery,thecomputerdoesnotstartrechargingthebatteryiftheremaining
powerisgreaterthan95%.
32UserGuide

Lenovo ThinkPad T450 Specifications

General

Form factor	Clamshell
Product type	Laptop
Product color	Black
Bus type	DMI2
Stepping	F0
Tjunction	105 °C
Processor cache	3 MB
Processor cores	2
Processor model	i5-5200U
System bus rate	5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel® Core™ i5-5200 Mobile Series
Processor socket	BGA 1168
Processor threads	4
Processor codename	Broadwell
Processor frequency	2.2 GHz
Processor cache type	Smart Cache
Configurable TDP-down	7.5 W
Processor lithography	14 nm
Processor manufacturer	Intel
Processor front side bus	- MHz
PCI Express slots version	2.0
Processor boost frequency	2.7 GHz
Processor operating modes	32-bit, 64-bit
ECC supported by processor	No
PCI Express configurations	4x1, 2x4
Thermal Design Power (TDP)	15 W
Configurable TDP-down frequency	0.6 GHz
Maximum number of PCI Express lanes	12
Motherboard chipset	-
Memory slots	2x SO-DIMM
Internal memory	4 GB
Memory form factor	SO-DIMM
Internal memory type	DDR3L-SDRAM
Maximum internal memory	16 GB
Memory layout (slots x size)	1 x 4 GB
HDD speed	5400 RPM
HDD interface	SATA III
Storage media	Hybrid-HDD
Hybrid-HDD cache type	Flash
Card reader integrated	Yes
Total storage capacity	500 GB
Compatible memory cards	MMC, SD, SDHC, SDXC
Hybrid-HDD cache memory	8 GB
Number of HDDs installed	1
Display surface	Matt
Display diagonal	14 \
Display resolution	1600 x 900 pixels
Native aspect ratio	16:9
On-board graphics card ID	0x1616
Discrete graphics card model	Not available
On-board graphics card model	Intel® HD Graphics 5500
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	300 MHz
On-board graphics card DirectX version	11.2
On-board graphics card dynamic frequency (max)	900 MHz
Intel segment tagging	Home Office, Small Business
Intel® Virtualization Technology (Intel® VT)	VT-d, VT-x
Audio system	Realtek ALC3232
Front camera resolution	1280 x 720 pixels
Front camera resolution (numeric)	0.921 MP
4G standard	LTE
Wi-Fi standards	Wi-Fi 5 (802.11ac)
Bluetooth version	4.0
Ethernet LAN data rates	10, 100, 1000 Mbit/s
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
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	3
Pointing device	ThinkPad UltraNav
Recovery operating system	Windows 8.1 Pro
Operating system installed	Windows 7 Professional Preload
Operating system architecture	64-bit
Processor code	SR23Y
Processor ARK ID	85212
Processor package size	40 x 24 x 1.3 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2
Intel Identity Protection Technology version	1.00
Battery capacity	23 Wh
Battery life (max)	17 h
AC adapter power	45 W
AC adapter input voltage	120 - 230 V
Sustainability certificates	RoHS, ENERGY STAR

Weight and Dimensions

Depth	232.5 mm
Width	339 mm
Height	21 mm
Weight	1730 g