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Basic Specs Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER 
Typenotebook
Operating SystemWin 7 Starter
Processor Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
ProcessorAthlon II 2300 MHz
Processor ModelP360
Number of Cores2
L2 cache1 MB
Chipset ModelAMD RS880M
Memory Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
Memory2048MB DDR3
Maximum Memory4096 MB
Number of Total Memory Slots2
Display Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
Display15.6-inch, 1366x768, widescreen
Display Screen Typeglossy
Backlight TechnologyLED
Graphics Controllerbuilt-in
Graphics Chipset ModelATI Mobility Radeon HD 4250
Graphics MemorySMA
Storage Devices Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
Optical Drive TypeDVD-RW, internal
Storage Size320 GB Serial ATA
Hard Drive Speed5400 r/min
Communication Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
LAN/ModemNetwork 10/100 Mbit/s
Wireless Communicationbluetooth, Wi-Fi 802.11n
InterfacesUSB 2.0x3, VGA (D-Sub), microphone input, audio output/headphone, LAN (RJ-45)
Battery Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
Number of Battery Cells6
Battery ChemistryLi-Ion
Input Devices Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
Pointing Device TypeTouchpad
Audio Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
SpeakersYes
MicrophoneYes
Detailed Specs Compaq PRESARIO CQ56-251ERCompaq Presario CQ56-251ER
WebcamYes
Dimensions (HxWxT)374x246x32.8 mm
Weight2.55 kg