Why all-in-one motherboards are troublesome?

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Postby atang1 » Fri Dec 06, 2002 5:26 am

Some of the more complex printed circuit boards now needs 42 layers, but only smaller real estate(area) can be used.

So, what can we do with 4 layer motherboards which are integrated with a minimum of slots to replace dead functions. Is the throw away society at work? If it broke, don't fix it; throw it away. Better than planned obsolescence and replacement to build business.

fortunately, there are research done on honey comb structure, so that stability of dimensions and strength of structucture can be combined to make a better printed circuit board that can withstand some bending force. When will that happen? maybe never.

It takes much better engineering and business philosophy to build a better quality mouse trap. Does it take leadership, brand recognition and a firm philosophy. You bet.

In the mean time, smaller line width in semiconductor processing will make integration even more intense. And one chip computer may be coming soon. Printed circuit boards will only connect the slots and input/output connections to a chip computer IC.

Daydreaming maybe, but reality is not that far away.

Postby atang1 » Wed Mar 12, 2003 5:55 am

We are now expecting 150 million cmos transistor Itanium cpu to come off the production line, we know all-in-one motherboards will come along as well. Massive integration is the way of life. Cheap to own and maintain.

The motherboard traces also have to be shortened through multilayers of up to 40 layers. Sockets and cables have to use repeaters to reduce line inductance and capacitance.

But the problem that faces us is what to do with massive integration that had some functions damaged? We have to throw away the whole motherboard. This is a throw away society anyway, what with the designer doing planned obsolescence and replacement.

It is the best of times and the worst of times. It depends on your luck. Or is it your" don't touch it if it works"; You get busy changing things on your motherboard and you spoil it. Everybody has to buy factory assembled computers?

Postby Valour » Wed Mar 12, 2003 12:19 pm

Most people are not technical enough to change out a stick of RAM let alone replace a component on a board. That being said, the solution to the dilemma of "throw away" motherboards is to make all of their major parts interchangable much like the CPU is. So instead of a hardwired chipset, it would be a removable IC like the CPU or BIOS chip are. That way you could use the same board for a long period of time, upgrading by changing out the (standardized) chipset, CPU, and BIOS chips. Or you could make them flashable EEPROMs...

But again, most people are nowhere near capable of doing this, and it would also require strict industry standards -- not loose ones like are in effect now. Right now you've got ATI releasing video cards on a basic interpretation of an 8X AGP standard yet their cards don't work in new motherboards with the SiS655 or Intel E7205 chipsets. AMD is on one pin grid array and Intel's on another... there are different types of memory, different frequencies, etc. Since there is no governing body that determines hard and fast rules that must be strictly adhered to in regards to standards, there can be no interchangability like this.

So it's not a matter of possibility so much as it's a matter of industry non-cooperation.

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Postby atang1 » Sat Apr 05, 2003 7:36 am

I thought the fix it yourself craze died in the 50s, when throw away concept of planned obsolescence and replacement came in. But as a hobby fix it yourself is very much alive.

The massive integration of all in one motherboards is affordability, which lends to throw away society. A $100.00 computer requires a $25.00 motherboard that does everything for you.

But on the way to the forum, these massively integrated motherboards had a number of problems, mostly overheating of components and in bending the motherboard, the broken traces of circuits rendered the motherboards faulty.

Overheating, we can fix with a heatsink and even fans. Broken traces, we can bend back a little, and try our luck. Risk is really nil, since it was already for the gabage can. People buy defective motherboards to amke them work as a nice hobby. Too cool and too slow, we can add a few layers of scotch tape to heat it up as in an oven so to speak.

If we couldn't fix it, use the parts on the motherboard as spares to fix other motherboards.

Life is for fun, as long as you don't have to make a hard decision. Learning doesn't have to make any decision, so it is more fun and no risks. I can do it all day, learning from TV, the great waste land of ours.. You and I are too philosophical?


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