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Lenovo THINKPAD L420 User Manual

Lenovo THINKPAD L420
225 pages
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UserGuide
ThinkPadL420,L421,andL520

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Lenovo THINKPAD L420 Specifications

General IconGeneral
Bus typeDMI
L3 cache3 MB
SteppingJ1
Tjunction100 °C
Processor cores2
Processor modeli5-2520M
System bus rate5 GT/s
Processor familyIntel® Core™ i5
Processor seriesIntel Core i5-2500 Mobile Series
Processor socketSocket 988
Processor threads4
Processor codenameSandy Bridge
Processor frequency2.5 GHz
Processor cache typeSmart Cache
Processor lithography32 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor boost frequency3.2 GHz
Processor operating modes64-bit
ECC supported by processorNo
PCI Express configurations1x16, 2x8, 1x8+2x4
Thermal Design Power (TDP)35 W
CPU multiplier (bus/core ratio)25
Maximum number of PCI Express lanes16
HDD speed- RPM
HDD interfaceSATA
Optical drive typeDVD-RW
Total storage capacity320 GB
Number of HDDs installed1
Display diagonal14 \
Display resolution1366 x 768 pixels
Native aspect ratio16:9
Memory slots2x SO-DIMM
Internal memory3 GB
Memory clock speed1333 MHz
Internal memory typeDDR3-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)1 x 1 + 1 x 2 GB
On-board graphics cardYes
On-board graphics card ID0x116
Discrete graphics card model-
On-board graphics card modelIntel® HD Graphics 3000
On-board graphics card familyIntel® HD Graphics
On-board graphics card base frequency650 MHz
On-board graphics card dynamic frequency (max)1300 MHz
TypePC
Power requirements100-240V
Compliance industry standardsIEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Audio systemHD
Speaker power1.5 W
Pointing deviceThinkPad UltraNav
Cabling technology10/100/1000Base-T(X)
Networking featuresGigabit Ethernet
Charging port typeDC-in jack
USB 2.0 ports quantity3
Firewire (IEEE 1394) ports0
Cable lock slot typeKensington
Sustainability certificatesENERGY STAR
Product colorBlack
AC adapter power65 W
Processor codeSR048
Processor ARK ID52229
Processor package size37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023) mm
Supported instruction setsAVX
Intel Identity Protection Technology version1.00
Weight and Dimensions IconWeight and Dimensions
Depth232.9 mm
Width343.9 mm
Weight2300 g
Height (rear)36 mm
Height (front)32 mm

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