the second operating system

joerg Reisenweber joerg at
Tue Dec 10 15:21:17 CET 2013

On Tue 10 December 2013 14:42:56 Christoph Bänsch wrote:
>  I think that fact isn't new. The BIOS on a normal PC is a 'Second OS' too.
> There is one big difference: the BIOS is safer than the firmware of an GSM
> modem.

The one big difference is: BIOS runs on main CPU, modem is a peripheral and for 
all "free phones" doesn't even share RAM with CPU. We have a third OS on 
lis302, a 4th on camera chip, a 5th inside PMU, on PC we have one in HDD and 
one in optical drive. We have one even in SD-card and so on and on

()  ascii ribbon campaign - against html e-mail     
/\   - against proprietary attachments
(alas the above page got scrapped due to resignation(!!), so here some 
supplementary links:)  (German)
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