Nokia N900 Linux Smartphone will be debut at the Nokia Developers Conference in Sydney today, and Nokia N900 Linux Smartphone will be available in April, but the price of it is still unknown.
The configuration of Nokia N900 Linux Smartphone includes an integrated slide full keyboard and a 3.5-inch touch screen, it handles a graphic acceleration Open GLES2.0 the ARMCortex-A8 processor as well as 32GB storage, and Nokia N900 Linux Smartphone will support the functions of Adobe Flash and AJAX. 
Nokia N900 will be the first but also the last phone which runs Maemo 5 system and the next phone will be come out with MeeGo Linux mobile operating system. 
Nokia N900 weighs 180g and is at the dimension of 111×59.7×18.2mm, which is a little heavier. Nokia N900 features a 3.5-inch screen with the resolution of 800×480 pixels.
Nokia N900 comes with a built-in 5 million pixel Carl Zeiss lens camera which is equipped with a dual LED flash, it supports auto focus function. 
Nokia N900 also supports MP3, AAC, AAC +, eAAC +, M4A, WAV, WMA format ringtones player.
Nokia N900 is equipped with Mameo5 operating system, OMAP3430 processor; it can run 1GB of virtual memory. What’s more, the 32GB of memory can be up to 16GB through the MicroSDHC Card 
Nokia N900 specs:
ARM Cortex-A8 600 MHz processor
256MB memory
Maemo 5 operating system
OpenGL ES 2.0 graphic acceleration
32GB storage
Support microSD up to 16GB
WiFi (b/g)
Bluetooth 2.1
HSDPA (WCDMA 900/1700/2100 and GSM)
5 million pixel Carl Zeiss lens camera
3.5 WVGA (800 x 600) screen
A-GPS
3.5 mm microphone
Nokia BL-5J battery with capacity of 1320 mAh