Lenovo ThinkPad X220 Maintenance Manual

11.AfteryouhavecompletedtheWindowssetup,youmightwanttorestoretheoriginalstartupsequence.
StarttheThinkPadSetupprogramandthenpressF9torestorethedefaultsettings.PressF10tosave
andexittheThinkPadSetupprogram.
Note:Afterrestoringadrivetothefactorydefaultsettings,youmightneedtoreinstallsomedevicedrivers.
Passwords
AsmanyasthreepasswordsmaybeneededforanyThinkPadNotebook:thepower-onpassword(POP),
thehard-diskpassword(HDP),andthesupervisorpassword(SVP).
Ifanyofthesepasswordshasbeenset,apromptforitappearsonthescreenwheneverthecomputeris
turnedon.Thecomputerdoesnotstartuntilthepasswordisentered.
Note:IfonlyanSVPisinstalled,thepasswordpromptdoesnotappearwhentheoperatingsystemisbooted.
Power-onpassword
Apower-onpassword(POP)protectsthesystemfrombeingpoweredonbyanunauthorizedperson.The
passwordmustbeenteredbeforeanoperatingsystemcanbebooted.ForhowtoremovethePOP ,see
“Howtoremovethepower-onpassword”onpage39
.
Hard-diskpassword
Therearetwohard-diskpasswords(HDPs):
•UserHDP-fortheuser
•MasterHDP-forthesystemadministrator,whocanuseittogetaccesstotheharddiskeveniftheuser
haschangedtheuserHDP
Note:TherearetwomodesfortheHDP:UseronlyandMaster+User.TheMaster+Usermoderequires
twoHDPs;thesystemadministratorentersbothinthesameoperation.Thesystemadministratorthen
providestheuserHDPtothesystemuser.
Attention:IftheuserHDPhasbeenforgotten,checkwhetheramasterHDPhasbeenset.Ifithas,itcanbe
usedforaccesstotheharddiskdrive.IfnomasterHDPisavailable,neitherLenovonorLenovoauthorized
servicetechniciansprovideanyservicestoreseteithertheuserorthemasterHDP ,ortorecoverdatafrom
theharddiskdrive.Theharddiskdrivecanbereplacedforascheduledfee.
ForhowtoremovethePOP ,see“Howtoremovethehard-diskpassword”onpage40
.
Supervisorpassword
Asupervisorpassword(SVP)protectsthesysteminformationstoredintheThinkPadSetupprogram.
TheusermustentertheSVPinordertogetaccesstotheThinkPadSetupprogramandchangethe
systemconguration.
Attention:IftheSVPhasbeenforgottenandcannotbemadeavailabletotheservicetechnician,thereisno
serviceproceduretoresetthepassword.Thesystemboardmustbereplacedforascheduledfee.
Howtoremovethepower-onpassword
ToremoveaPOPthatyouhaveforgotten,dothefollowing:
(A)IfnoSVPhasbeenset:
1.Turnoffthecomputer.
Chapter4.Relatedserviceinformation39

Lenovo ThinkPad X220 Specifications

General

Bus type	DMI
Stepping	J1
Tjunction	100 °C
Processor cache	3 MB
Processor cores	2
Processor model	i5-2520M
System bus rate	5 GT/s
Processor family	Intel® Core™ i5
Processor series	Intel Core i5-2500 Mobile Series
Processor socket	Socket 988
Processor threads	4
Processor codename	Sandy Bridge
Processor frequency	2.5 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 boost frequency	3.2 GHz
Processor operating modes	64-bit
ECC supported by processor	No
PCI Express configurations	1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)	35 W
CPU multiplier (bus/core ratio)	25
Maximum number of PCI Express lanes	16
Internal memory	4 GB
Memory clock speed	1333 MHz
Maximum internal memory	8 GB
HDD capacity	160 GB
SSD capacity	The Solid State Drive's storage capacity in Gigabytes.
HDD interface	SATA
Card reader integrated	Yes
Compatible memory cards	SD
Display diagonal	12.5 \
Display resolution	1366 x 768 pixels
Native aspect ratio	16:9
Graphics card	HD Graphics
Power supply type	AC/DC
Wireless technology	802.11a/g/n
Compatible operating systems	Windows 7 Home Basic Windows 7 Home Premium Windows 7 Professional
Charging port type	DC-in jack
USB 2.0 ports quantity	3
Ethernet LAN (RJ-45) ports	1
Operating system installed	Windows 7 Professional
Form factor	Convertible (Swivel)
Product type	Hybrid (2-in-1)
Product color	Black
Processor code	SR048
Processor ARK ID	52229
Processor package size	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction sets	AVX
Intel Identity Protection Technology version	1.00
On-board graphics card ID	0x116
On-board graphics card model	Intel® HD Graphics 3000
On-board graphics card family	Intel® HD Graphics
On-board graphics card base frequency	650 MHz
On-board graphics card dynamic frequency (max)	1300 MHz

Weight and Dimensions

Depth	228.7 mm
Width	305 mm
Height	31.3 mm
Weight	1760 g