Intel 286 chips for F22

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jimbeam RE:Intel 286 chips for F22 10/24/2002 11:30:59 PM

Why are they using such old tech? Don't understand.

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jimbeam RE:Intel 286 chips for F22 10/24/2002 11:32:47 PM

By the way, they probably are subsidizing it because they might not be able to find enough chips for 300 plus fighters. Also, someones friend is making the big bucks off this.

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macawman RE:Intel 286 chips for F22 10/27/2002 1:31:47 AM

The Space Shuttle uses the same chips but with triple redundancy at military specifications. For a simple function these heat and vibration resistant enhanced chips are reliable.

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Matt Smith-Iwilltry RE:Intel 286 chips for F22~~ Tomorrow 10/27/2002 5:22:23 AM

Are there US Mil specs for Pentiums, redundant or not?

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macawman RE:Intel 286 chips for F22 10/27/2002 9:07:53 PM

TI was doing Mil Spec development for the government in the 80's on the 286 type chip. I do not know if the Intel Corp has a Mil Spec Pentium contract.

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giblets RE:Intel 286 chips for F22 1/7/2003 6:14:25 AM

Would a mil spec chip not just be a downgraded afaster chip? The faster the hotter, the less reliable. These days all the Pentiums and suchlike are the same chips. They test them,a nd the tighter tolerences are downgraded, hence why they are clocked. No idea if this relates to military spec or not though, any ideas?

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macawman RE:Intel 286 chips for F22 1/9/2003 10:19:31 PM

A microchip that has a "military specication" requirement has higher heat,cold, and vibration tolerences than a comericial "off the shelf" one.

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jlb RE:Intel 286 chips for F22 1/13/2003 6:45:18 PM

I guess it's more like the design was frozen with the 286, it works just like that and nobody wants to mess with it as long as it works OK. A pentium is much larger than a 286 and the instruction set is different too, so a lot of software would have to be rewritten and the black boxes redesigned, and what for? the joy of having more MHz in them? Furthermore, a 286 doesn't need cooling to work in normal conditions, a definite plus for military applications.

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prosen RE:Intel 286 chips for F22 1/30/2003 9:23:00 AM

"These days all the Pentiums and suchlike are the same chips." Not true. There can be significant variations in design and instruction sets within a given processor type. To date there have been four different cores four the pentium 4. There are additional descrepencies, as availability of memory often leads to variations in the type, and speed of cache put into a processor. The variations are sufficient such that certain plants and production runs create wildly different, and easily discernable processors, all within the same chip type.

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phillipdavidson RE:Intel 286 chips for F22 3/9/2003 6:18:50 AM

First of all, the F22 should not have won the competion. Its competitor for our next air superiority fighter was stealthier, faster, better armed, had better range, etc. and was CHEAPER compared to the most expensive fighter in history: The F22. Secondly, if I were president, I would make an executive order demanding that all processors used had at least 1 gigahertz.

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