On Thu, 30 Aug 2012 08:38:38 +0000, alan.b.pearce@stfc.ac.uk wrote: :: But the datasheet for this chip IS available through the RPi :: website - or has been in the past. Only the ARM side, the 'blob' GPU side is closed, but it would seem from=20 conversations even within Broadcom not everyone has access to the internal= =20 workings of the GPU, relying on 'black box' drawings and hooks for external= =20 programs to connect to. Colin -- cdb, colin@btech-online.co.uk on 30/08/2012 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.justhost.com.au =20 =20 This email is to be considered private if addressed to a named individual= =20 or Personnel Department, and public if addressed to a blog, forum or news= =20 article. =20 =20 =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .