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Basic Specs Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER 
Typenotebook
Operating SystemWin Vista Home Premium
Processor Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
ProcessorPentium 1860 MHz
Processor ModelT2390
Number of Cores2
L2 cache1 MB
The system bus533 MHz
Chipset ModelIntel GL960
Memory Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
Memory1024 MB DDR2 533 MHz
Maximum Memory2048 MB
Display Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
Display15.4-inch, 1280x800, Widescreen
Graphics Controllerbuilt-in
Graphics Chipset ModelIntel GMA X3100
Graphics MemorySMA
Storage Devices Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
Optical Drive TypeDVD-RW, internal
Storage Size160 GB Serial ATA
Hard Drive Speed5400 r/min
Communication Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
LAN/ModemNetwork 10/100 Mbit/s, a fax modem
Wireless CommunicationWi-Fi 802.11g
InterfacesUSB 2.0x4, FireWire, VGA (D-Sub), LAN (RJ-45) and modem (RJ-11)
Expansion slots Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
ExpressCard slotExpressCard/34
Memory Card ReaderYes
Memory Card SupportMS, SD
Battery Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
Maximum Battery Run Time3.1 hours
Battery ChemistryLi-Ion
Battery charging time3.4 hours
Input Devices Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
Pointing Device TypeTouchpad
Audio Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
SpeakersYes
Audio chipsetIntel High Definition Audio
Detailed Specs Sony VAIO VGN-NR31ERSony Vaio VGN-NR31ER
FeaturesLock slot
Dimensions (HxWxT)360x269.1x37.9 mm
Weight2.9 kg