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Lenovo U31-70 Hardware Maintenance Manual

Lenovo U31-70
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Lenovo U31-70
Hardware
Maintenance
Manual

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Lenovo U31-70 Specifications

General IconGeneral
Form factorClamshell
Product typeLaptop
Product colorWhite
Bus typeDMI
Tjunction100 °C
Processor cache3 MB
Processor cores2
System bus rate5 GT/s
Processor familyIntel® Core™ i3
Processor seriesIntel® Core™ i3-4000 Mobile Series
Processor socketBGA 1168
Processor threads4
Processor codenameHaswell
Processor frequency1.7 GHz
Processor cache typeSmart Cache
Processor lithography22 nm
Processor manufacturerIntel
Processor front side bus- MHz
PCI Express slots version2.0
Processor operating modes64-bit
ECC supported by processorNo
PCI Express configurations4x1, 1x4
Thermal Design Power (TDP)15 W
Maximum number of PCI Express lanes10
Motherboard chipset-
Memory slots1x SO-DIMM
Internal memory4 GB
Memory clock speed1600 MHz
Memory form factorSO-DIMM
Internal memory typeDDR3L-SDRAM
Maximum internal memory8 GB
Memory layout (slots x size)1 x 4 GB
AC adapter includedYes
HDD size2.5 \
HDD speed5400 RPM
HDD interfaceSATA
Storage mediaHybrid-HDD
Total storage capacity500 GB
Compatible memory cardsMMC, SD, SDHC, SDXC
Display diagonal13.3 \
Display resolution- pixels
On-board graphics card ID0xA16
On-board graphics card modelIntel® HD Graphics 4400
On-board graphics card familyIntel® HD Graphics
Maximum on-board graphics card memory2 GB
On-board graphics card base frequency200 MHz
On-board graphics card DirectX version12
On-board graphics card dynamic frequency (max)950 MHz
Audio systemDolby Home Theater
Speaker power1.5 W
Front camera resolution1280 x 720 pixels
Front camera resolution (numeric)1 MP
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version4.0
Charging port typeDC-in jack
USB 2.0 ports quantity1
VGA (D-Sub) ports quantity0
Pointing deviceTouchpad
Operating system installedWindows 8.1
Processor ARK ID75105
Processor package size40 x 24 x 1.5 mm
Supported instruction setsAVX 2.0, SSE4.1, SSE4.2
Intel Smart Connect Technology version1.00
Intel Smart Response Technology version0.00
Intel Active Management Technology version9.5
Battery capacity35 Wh
Battery life (max)4 h
Weight and Dimensions IconWeight and Dimensions
Depth230 mm
Width323 mm
Height19.3 mm
Weight1500 g

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