Returns accepted within 7 days. Return offered in the form of Product exchange. Buyer is the responsible for the shipping fees.
One Laptop per Child (OLPC) is a non-profit initiative established with the goal of creating and distributing educational devices for the world development.Physical dimensionsApproximate dimensions: 242mm×228mm×32mm;Approximate weight: 1.45KG with LiFeP battery; 1.58KG with NiMH battery;Configuration: Convertible laptop with pivoting, reversible display; dirt- and moisture-resistant system enclosure; no fan.Core electronicsCPU: x86-compatible processor with 64KB each L1 I and D cache; at least 128KB L2 cache; AMD Geode LXfirstname.lastname@example.orgW (datasheet);CPU clock speed: 433 Mhz;ISA compatibility: Support for both the MMX and 3DNow! x86 instruction-set extensions; Athlon instruction set (including MMX and 3DNow! Enhanced) with additional Geode-specific instructions;Companion chips: PCI and memory interface integrated with CPU; North Bridge: PCI and Memory Interface integrated with Geode CPU; AMD CS5536 South Bridge (datasheet);Graphics controller: Integrated with Geode CPU; unified memory architecture;Embedded controller: ENE KB3700 or ENE KB3700B;DRAM memory: 256 MiB dynamic RAM;Data rate: Dual — DDR333 — 166 Mhz;1024KB SPI-interface flash ROM;Mass storage: 1024 MiB SLC NAND flash, high-speed flash controller;Drives: No rotating media;CAFE ASIC (Camera, Flash Enabler chip, provides high-performance Camera, NAND FLASH and SD interfaces); Marvell 88ALP01: (CAFE specification).DisplayLiquid-crystal display: 7.5” Dual-mode TFT display;Viewing area: 152.4mm × 114.3mm;Resolution: 1200 (H) × 900 (V) resolution (200 DPI);Monochrome display: High-resolution, reflective sunlight-readable monochrome mode; Color display: Standard-resolution, Quincunx-sampled, transmissive color mode;LCD power consumption: 0.1 Watt with backlight off; 0.2–1.0 Watt with backlight on;The display-controller chip (DCON) with memory that enables the display to remain live with the processor suspended; the display and this chip are the basis of our extremely low power architecture; the display controller chip also enables de-swizzling and anti-aliasing in color mode.Integrated peripheralsKeyboard: 80+ keys, 1.0mm stroke; sealed rubber-membrane key-switch assembly;Keyboard layout details;Keyboard layout pictures: international, Thai, Arabic, Spanish, Portuguese, West African, Urdu, Mongolian, Cyrillic, Amharic;Gamepad: Two sets of four-direction cursor-control keys;Touchpad: Dual capacitance/resistive touchpad; supports written-input mode; ALPS Electric Dual capacitive/resistive touchpad;Audio: AC97-compatible audio audio subsystem; internal stereo speakers and amplifier; internal monophonic microphone; jacks for external headphones and microphone; Analog Devices AD1888 and Analog Devices SSM2211 for audio amplification;Wireless networking: Integrated 802.11b/g (2.4GHz) interface; 802.11s (Mesh) networking supported; dual adjustable, rotating coaxial antennas; supports diversity reception; capable of mesh operation when CPU is powered down; Marvell Libertas 88W8388 controller and 88W8015 radio;Status indicators: Power, battery, WiFi (2); visible when lid is open or closed; microphone in-use and camera in-use visible when lid is open;Video camera: integrated color vision camera; 640×480 resolution at 30FPS; Omnivision OV7670.External connectorsDC power: 6mm (1.65mm center pin) connector; 11 to 18 V input usable, –32 to 40 V input tolerated; power draw limited to 15 W;Headphone output: Standard 3.5mm 3-pin switched stereo audio jack;Microphone input: Standard 3.5mm 2-pin switched mono microphone jack; selectable 2V DC bias; selectable sensor-input mode (DC or AC coupled);USB: Three Type-A USB-2.0 connectors; up to 1A power supplied (total);Flash expansion: MMC/SD Card slot.BatteryPack type: 2 or 4 cells LiFePO4; or 5 cells NiMH, approximately 6V series configuration;Capacity: 22.8 Watt-hours (LiFePO4); 16.5 Watt-hours (NiMH);Fully-enclosed “hard” case; user removable;Electronics integrated with pack provide:Identification;Battery charge and capacity information;Thermal and over-current sensors along with cutoff switch to protect battery;Minimum 2,000 charge/discharge cycles (to 50% capacity of new);Power management will be critical.