N900 Hardware Hacking
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- | [http://www.tessco.com/products/bmd/listItemsForSelectedCategory.do?bmdTypeId=007_26&mfgName=007_26_NOKIA&modelId=785585&groupSubgroupId=SHOW_ALL | + | [http://www.tessco.com/products/bmd/listItemsForSelectedCategory.do?bmdTypeId=007_26&mfgName=007_26_NOKIA&modelId=785585&groupSubgroupId=SHOW_ALL Tessco] has a variety of n900 parts. Note that Tessco sells Nokia parts [http://www.tessco.com/yts/faq/faq/faq_28.html only to Authorized Service Centers]. |
[[Category:N900]] [[Category:N900_Hardware]] | [[Category:N900]] [[Category:N900_Hardware]] |
Revision as of 17:10, 12 January 2010
This page outlines what is known about the hardware of the n900, and possible modifications or additions to it.
Much of the information on this page may be incorrect, and may cause damage to your n900 if you attempt any of it.
Contents |
Hacks
- Case
- Camera
- Wifi
- Bluetooth
- Battery
- Audio
- Video
Additional Hardware
Compass
The HMC5843 compass from honeywell seems as if it would be a simple addition, if it could be wired onto a I2C bus..
Gyroscope
The forthcoming invensense itg3200 is a gyroscope chip that could similarly be connected to a I2C bus.
Debug ports
Under the battery are several groups of test pad connectors. With the camera on the left, and the battery removed. These are numbered for the purposes of this page clockwise, with pad 1 of a connector at its top left.
Probable connections are anything that will enable full tests and bootstrap of of the phone without a case.
Obvious candidates are JTAG for flashing any bootloader, and USB for flashing the device. Serial ports, I2C, SPI are also possible.
- J1 - 2 pad connector to the middle left above the battery connector.
- J2 14 pad connector in two parts.
- (a) - 6 pad connector.
- (b) - 8 pad connector
- J3 - 7 pads.
- J4 - 7 pads.
Modifications
USB
Described briefly in this page is how to modify the USB interface chip to enable USB host mode. However - the information is not adequate for anyone to easily attempt this skilled rework.
Resources
N900 Service Manual - Level 1&2: MediaFire or Maemoworld
N900 Service Manual - Level 3&4: Torrent, rghost or RapidShare
A teardown with some pics from georgia, and a video of reassembly.
Dissasembly video from tehkseven.
Vendors
Tessco has a variety of n900 parts. Note that Tessco sells Nokia parts only to Authorized Service Centers.