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safety-critical systems can use ROMsafety-critical systems can use ROMPosted Oct 20, 2006 8:59 UTC (Fri) by coriordan (subscriber, #7544)In reply to: safety-critical systems can use ROM by bojan Parent article: FSF should separate GPLv3 changes (Linux.com)
I don't think the numbers will square up. The cost of using a ROM chip, or of adding some tamper-proof seal, is probably few cents in a 100 euro phone. Whatever the cost is, I'm sure it's less than the point at which hardware manufacturers round out the figures. I don't know the marketing terms, but what I means is that if the phone plus a standard profit margin yields a price of 98 euro or 101 euro, the manufacturer will round those numbers up or down to 100 euro. I think the cost of using a ROM chip in mass production will be certainly less than 1 euro. Or whatever the cost is, it will be significantly less than having two computing systems in one - something that Motorolla find cost effective just to have a strong separation between modifiable and non-modifiable bits.
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