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Old 04-27-2004, 05:49 PM   #1 (permalink)
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Default CMOS setup program and CPU

Hi
I just read when you are in the CMOS setup program, your CPU is turned off.
Is that true, if it is, how is data being outputted to the monitor, i mean, some sort of graphics processing needs to be going on. and some sort of serial communication between the keyboard and some device (CMOS ?) and some device(CMOS ?) and the monitor(?)
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Old 04-28-2004, 02:55 AM   #2 (permalink)
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I think he meant idle not idel.
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Old 04-28-2004, 03:41 AM   #3 (permalink)
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Either way, the answer is no. The keyboard and video controllers have IRQs which get the CPUs direct attention when needed. They do not access the memory directly through DMA channel which bypass the CPU. So, the CPU wouldn't be idle or "off".

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Old 04-28-2004, 08:20 AM   #4 (permalink)
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i thought so too, i did mean off.

i got this from
hardware guide for idiots

i think the author got this details wrong.
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Old 04-28-2004, 03:19 PM   #5 (permalink)
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huh
thought there was a reply here from a becroydon!
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Old 04-28-2004, 05:24 PM   #6 (permalink)
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There was.....but it was a pointless post and therefore may have been removed.

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