On Dec 21, 2007 3:35 PM, Gerhard Fiedler wrote: > Alex Harford wrote: > > > On Dec 21, 2007 4:16 AM, Gerhard Fiedler wrote: > >> > >> I think there are already many multi-processor systems in the field. > > > > Hm, like the 8042 microcontroller used for the PC keyboard controller? :D > > That's not what I meant with this phrase (it continues "A mid-sized > production line probably has dozens or hundreds of processors working > together" -- sometimes not doing much more than the PC keyboard controller, > but often doing substantially more), but yes, that's one of the controllers > in (or connected to) a typical PC. Another example are the controllers in > every disk drive, the video controller(s), and I don't know how many > controllers are on a typical motherboard. > > Gerhard The original XBOX, which is basically a PC + some security crap, had a PIC on it, in addition to the main processor and the graphics/bridge chip. I believe the purpose of the PIC was to control the LEDs in the power button as well as some watchdog-like and boot-up-related tasks. - Marcel -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist