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Technology Stocks : Discuss Year 2000 Issues -- Ignore unavailable to you. Want to Upgrade?

To: Richard Babusek who wrote (1058)	2/11/1998 5:12:00 AM
From: C.K. Houston	Respond to of 9818

Ricardo, Check out this thread: "Year 2000: Embedded Systems & Infrastructure Problem". Subject 18990 Click on "CK HOUSTON's Embedded Systems Index. You'll find what you need to know there. The "Technical" section may be of most interest to you. But, you should probably also check out the "Problems & Failures" section to get a good overview of some of the problems different industries are having. Cheryl

To: Richard Babusek who wrote (1058)	2/11/1998 10:41:00 PM
From: David Eddy	Respond to of 9818

Richard - Most process control systems I'm aware of have no notion of "year" as such But the problem here is that as the architect you viewed the system from 50,000'. Did you monitor the folks as they wrote the code that went into the chips that went into the machines in your systems? While I haven't looked into any chip code, I'd be willing to bet hard money that they provide a bunch of time functions that very likely produce a number string looking something like yymmddhhsstthhkk, where yy is year mm is month dd is day hh is hour ss is second tt is tenths of seconds hh is hundredths kk is thousands Depending on how the code was written (you won't know unless you test), when that year flips from 99 to 00, the following mathematical operations could get quite confused if way out of range or negative. - David