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The Sony U-series of subnotebook computers were, at their release, the smallest independent computers running Windows XP and the most powerful high-end subnotebooks at the time. The U50 and U70P models are roughly the size of two DVD cases stacked on top of each other. more...
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As of this writing there are five different variants of the U series, varying on CPU speed, memory, hard drive capacity, and area availability. The first models of the series to come out were the U50 and the U70P in Japan. The American model is the U750P. A U8G model was introduced for some south Asian countries.
Technical specifications
CPU
Pentium-M 1.0 GHz Banias (1 MB Cache) ;
Celeron M 900 MHz (512 KB Cache) ;
Pentium-M 1.1 GHz Dothan (2 MB Cache) ;
;
RAM
512 MB ;
256 MB ;
;
Video: Intel i855GM Integrated Chipset, shared video memory architecture;
Display: 5 in (127 mm) SVGA, 800x600, 16 million colors, touchscreen;
Keyboard: 87 keys, English/Japanese layout (connects via USB, does not attach to unit);
Expansion ports:
Sony Memory Stick;
CompactFlash Type-II (can be used as PCMCIA with proper adapter);
;
Soundcard: PCM 16-Bit Audio, Mono speaker, stereo headphone jack;
Mouse: TrackStik (trackpoint-like) with 2+1 buttons (left, right, middle);
Handwriting recognition software: RitePen; also compatible with third-party alternatives such as PenOffice,;
Other:
LCD for headphone remote, time display;
1 USB 2.0 Port;
Power supply: AC 100/240 V (50/60 Hz) -> DC 16V/2.2A/?W;
Size: 167 x 108 x 26.4 mm;
Weight: 550 g (incl. battery);
Hard disk drive
20 GB Ultra-ATA100 ;
30 GB Ultra-ATA100 ;
;
Floppy disk drive: None (optional accessory);
Optical storage
None (optional accessory) ;
DVD+/-RW ;
;
Docking station:
3 additional USB 2.0 ports;
i.Link 4 pin Firewire port;
10/100 Intel ethernet;
VGA port;
Advanced technical information
CPU
The Pentium-M series CPU (1.0 GHz, 1.1 GHz) supports SpeedStep, which allows the processor to slow down when not under load, using less power and prolonging battery life. The 1.1 GHz is a Dothan generation processor, and has a 2MB cache, whereas the 1.0 GHz is a Banias generation CPU with only 1MB of cache. The 900 MHz Celeron-M does not support SpeedStep, and has only 512KB cache. Despite the Celeron-M's performance shortcomings, benchmarks show the arithmetic performance difference is marginal. Much of the performance increase seems to result from having a total of 512MB of memory. Battery life of the Pentium-M series is said to be anywhere from 30 to 45 minutes over the Celeron-M model as a result of having SpeedStep.
Display
The internal display has a resolution of 800x600 pixels. The integrated i855gm graphics card can display a maximum of 16 million colors. Connecting an external monitor to the VGA port of the docking station enables a maximum resolution of 1600x1200x16m. The graphics supports display cloning or extended desktop when using an extended monitor, and also supports OpenGL and Direct3D hardware acceleration, with a performance approximating that of a Radeon 7000 or a GeForce 1. With updated drivers from Intel, the ability to rotate the screen in 90, 180 and 270 degree modes is enabled.
Read more at Wikipedia.org
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