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OLPC XO 1.75 Hardware, Firmware and Software

OLPC demo’ed their 3rd generation laptop – OLCP XO 1.75 – based on Marvell Armada 610 at CES 2011. The good thing about this platform is that they opened most of it including the hardware, the software and for the first time the firmware. However, I found out it’s not so easy to find the hardware / software development information and source on the OLPC site, so I’ve decided to make a summary and provide links to the hardware, firmware and software for OLPC XO 1.75. OLPC XO 1.75 Hardware The XO-1.75 is powered by Marvell Armada 610 CPU (88AP610) with an ARM core clocked at 1Ghz. It has 1GB DDR3 SDRAM, 4GiB NAND Flash, a TFT display, an SD Card slot, Wi-Fi,  a few USB ports and a camera. I believe the touchscreen is not part of the current hardware, but the block diagram below should be close to […]

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Freescale i.MX Overview, SDK and Development Boards

Freescale i.MX Processors Overview Freescale i.MX multimedia applications processors  are based on ARM9, ARM11 and ARM™ Cortex-A8 and Cortex-A9 core technologies “delivering an optimal balance of performance and long battery life for rich multimedia experiences on the go”. There are quite a few families within the Freescale i.MX Series namely: i.MXS Processors:ARM9 Core @ 100-200Mhz (i.MX1 (not recommended for new designs), i.MXL and i.MXS). i.MX21 Processors:  ARM9 Core @ 233-266Mhz (i.MX21 and i.MX21S) i.MX23 Processors: ARM9 Core @ 454 Mhz (i.MX233) i.MX25 Processors: ARM9 Core @ 400MHz for industrial and automotive applications  (i.MX251, i.MX253, i.MX255, i.MX257 and i.MX258) i.MX27 Processors: ARM9 Core @ 400Mhz for Video over IP, VoIP, Cordless and Mobile phones… (i.MX27 and i.MX27L) i.MX28 Processors: ARM9 Core @ 454 Mhz  for industrial and consumer applications (i.MX281, i.MX283, i.MX285, i.MX286 and i.MX287) i.MX31 Processors:  ARM11 Core @ 400-532 Mhz for industrial, consumer and automotive applications (i.MX31 and i.MX31L) […]

Khadas Edge2 Arm mini PC
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Installing Android 2.2 on Sony Ericsson Xperia X10

XDA recently released a ROM with Android 2.2.1 (Froyo) for Sony Ericsson Xperia X10. Bear in mind that this is still a BETA version with the following known bugs and limitations: Closing certain apps will cause the ROM to crash or reboot Youtube / Adobe Flash status uncertain No camcorder recording No native wifi/usb tethering You’ll need to log into the old market at least once before installing the new one Maybe more. All sort of bad things may happen to your phone, but if xRecovery is correctly setup you should be able to recover. If you still want to go forward, following the “simple” steps below. First download the following files: FreeX10-beta2.zip – Xperia X10 Android 2.2 Firmware FreeX10-beta2-hotfix1.zip – flash led brightness and Rockplayer hack gapps_1901_FreeX10.zip– latest Google Apps (Market, Youtube etc.) Here’s what you’ll need before installing Android 2.2: Rooted 2.1 ROM. Instructions for doing so are […]

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Qualcomm Snapdragon Mobile Development Platform Available

Qualcomm has just announced the SnapDragon Mobile Development Platform (MDP)  distributed by BSquare is now available for purchase. The development platform (SKU: EA-OBQ8655MDPAN) is based on Snapdragon MSM8655 and comes with Android 2.2. It costs 995.00 USD. The development kit contains: MDP device (preloaded with Qualcomm’s Deep Sea 3D UI, Qualcomm’s Power Profiling application (Trepn Profiler),  3D Graphics Adreno Profiler, Tactel’s Navigation application and SouthEnd Interactive’s ilomilo OpenGLES Game) 8GB SD card HDMI A/V USB cable Battery charger Quick Start Guide One hour of support Here are the MDP Technical Specifications: MSM8655 1 GHz central processing unit (CPU) 3.8″ WVGA Display HDMI port Multi-touch capacitive touch screen WVGA 3D/2D capable Adreno™ 205 graphics processing unit (GPU) 12MP Camera/Camcorder 720-pixel HD video decode and encode Stereo 16mm loudspeakers 512 MB of RAM (2x 32b ports) 4GB on-board Flash Keys: On/off key, Rotary wheel, including key press, Up to 6 side keys for […]

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Twitter Timeline in Thunderbird 3.x

I’ve just found an experimental Add-ons for Thunderbird 3.1 that allows to get your twitter timeline in Mozilla Thunderbird. Experimental means that it has not been verified by Mozilla. The add-on is called TweeQuilla. You can download the xpi: tweequilla-0.1-tb-win.xpi. Then install it in Thunderbird: Open Add-ons from the Tools menu, click the Install button, select tweequilla-0.1-tb-win.xpi and click OK. Then to enable a Twitter Account to go Tools->Account Settings->Account Actions->Add Twitter Account. The Add Twitter Account dialog box will appear: Then click on Click Here First, login to twitter and allow it to be accessed by this application. A pin will be given enter the pin and click OK. That’s it ! You should know have a Twitter Account in Thunderbird and can access your Timeline as shown below. It will even automatically load the short URL inside Thunderbird. You can allow send tweets using the Write button as […]

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Setup Citrix XenDesktop for Citrix Receiver

You may have seen the Motorola Atrix 4G at CES 2011 and its ability to run Windows 7 via the Citrix Receiver installed in the smartphone and the laptop dock. This can be interesting  for small and large businesses alike since they could do with one (and more) Citrix server and a phone for each employee without the need for an extra laptop or desktop PC. Citrix does not only support Motorola Atrix 4G and you could install the receiver on your own smartphone or tablet free of charge: Windows Mobile Receiver 11.5 for Windows Mobile BlackBerry Receiver 2.0 for BlackBerry Android Receiver 2.0 for Android iPhone Receiver for iPhone iPad Receiver for iPad Today, I’ll show how to install Citrix XenDesktop (The “server” part of Citrix) in order to run Windows 7 or any other operating systems supported by Citrix. First download Citrix XenDesktop – Express Edition. The file […]

Rockchip RK3568/RK3588 and Intel x86 SBCs
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SATA-IO Universal Storage Module (USM) Standard

The Serial ATA International Organization (Sata-IO) announced the Universal Storage Module (USM) standard at CES 2011. This standard mainly defines mechanical characteristics and some electrical specs for hard drives so that they can be connected to devices (PC, laptops, tablets, televisions, media players, set-top boxes…) via a slot without the need to have an extra cable. This also allows a SATA harddisk to be used as a USB harddrive via a standard adapter. Later on this will also support other connection standards such as Firewire. The specifications will only support 2.5″ HDD, not the larger 3.5″.  Those specifications are not publicly available yet (Target: 1H 2011) since they are still developing them. In the mean time you can check the FAQ (below) and have a look a the USM presentation slides. Seagate showcased their GoFlex design based on the USM specs where you can see the forum factor of the SATA […]

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Resources for Atmel AT91SAM9: SAM926X, SAM9GXX, SAM9M1X, SAM9XE…

Atmel AT91SAM9 – or simply Atmel SAM9 – series are versatile microcontrollers and embedded microprocessors used in variety of products such as internet radios, embedded p2p downloaders, smart grid in-home displays, and much more. Atmel SAM9 series are divided into five subsets: The original SAM9 MCU based on ARM926EJ-S running at between 210 and 240 Mhz, namely AT91SAM9260, AT91SAM9261, AT91SAM9261S and AT91SAM9263 SAM9G eMPU (Embedded MPU) based on ARM926EJ-S, a new generation based on SAM9 MCU architecture but running at between 266 and 400Mhz: AT91SAM9G10, AT91SAM9G20, AT91SAM9G45 and AT91SAM9G46. SAM9M eMPU based on ARM926EJ-S clocked at 400Mhz and with a video decoder: AT91SAM9M10 and AT91SAM9M11 SAM9R MCU based on ARM926EJ-S running at 210 Mhz with similar characteristic as the original SAM9 MCU, except it does not support USB Host but can be used as a High Speed USB device: AT91SAM9R64 and AT91SAM9RL64 SAM9XE MCU are also based on ARM926EJ-S running […]

Khadas VIM4 SBC