One Laptop per Child One Laptop per Child The Laptop Sept. 18, 2008.

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Presentation transcript:

One Laptop per Child One Laptop per Child The Laptop Sept. 18, 2008

Laptop, 1992 Apple Macintosh Duo 230 640x400 (190x120mm) Monochrome Display 33 MHz Processor 8 MB RAM 0.1 GB disk storage 4.2 lbs 24W charger $2800

Laptop, 2008 Apple MacBook Pro 1440 x 900 (332x208mm) Color display 2GHz Dual Processor Graphics Coprocessor 2000 MB RAM 160 GB disk storage 5.4 lbs 85W charger $2800

Traditional Laptops Continual improvement: Constant Price Floor More computing power More non-volatile storage Constant Price Floor Designed for Office Environments

Laptop, 2008 OLPC XO 1200 x 900 (152x114mm) Color Display 466 MHz Processor Graphics Coprocessor 256 MB RAM 1 GB solid-state storage 1.45 kg 17W charger $200

Why an XO ? Sunlight Readable Display Low Power Robustness No moving parts Other than buttons Simple to Repair

XO Display Sunlight readable (reflective/transmissive) 1200 x 900 monochrome Slightly less resolution in color Replaceable LED backlight Low power, low cost, safe At 50 C, difficult to reach 5 year lifetime

XO Low Power Independently powered subsystems: Fast suspend/ resume Display Wireless Net Fast suspend/ resume tens milliSec. LED backlight

XO Power Management Battery performance strongly dependent on software activity ! Available today: Hardware ready for suspend/resume 40K cycles tested vs. 20 for normal laptop About 4 hours of battery life during normal use 14-16 hours of battery life in sleep mode Future: OHM management for suspend/resume Aggressive CPU suspend

XO Robustness No disk drive ! No fans ! Sturdy case 1.5 m drop test ABS/PC bumpers Steel plate in base 1.5 m drop test Water and dust proof keyboard 5 year lifetime

XO - Simple to repair Eight screws to replace display Single motherboard

XO Gen 2 Goals (in order) Lower Power Lower Cost More Robust More Performance

Roadmap 2008 2009 2010 Early prototypes Pre-production Gen2 Production