How windows retrieve time at installtion..?

Question

i just gave a- repair for my windows XP SP2 system.

on repair,-> window came up with setting- location, date and time ..

My question is...

Date time everything was accurate in it when window came up..

How windows is taking that Time exactly../ it was accurate..??

AllenG · Answer 1 · 2010-08-11 15:50:43Z

up vote 3 down vote

IIRC, Windows queries the machine CMOS clock to get the datetime at installation/repair time.

answered Aug 11 '10 at 15:50

AllenG

	Whats IIRC..?? instruction or....?? – pvaju896 Aug 11 '10 at 16:00
	i need the way how they are retireving -The solution i mean..?? The solution to retrieve the same manualy,,.!! – pvaju896 Aug 11 '10 at 16:03
	@pvaju896: IIRC = "If I Recall Correctly" And how would you like to retrieve said time? C#?, VB.NET, other? If you're installing something on Windows, just access the system clock (DateTime.Now in C#). – AllenG Aug 11 '10 at 16:10
	Not DateTime.Now works from System time.. Other one counter- clock is running with BIOS.. It is actully retreiving value from BIOS(Other CHIp).. How can we retreive that couter value..?? – pvaju896 Aug 11 '10 at 16:56

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migrated from stackoverflow.com Aug 11 '10 at 18:41