Upgrading And Repairing PCs [PATCHED]

Then it's time to consider upgrading. Upgrading computers is like laying out a strategy. Think carefully and relate each move to a long-term plan. Sometimes the computerati are right. It does make more sense to buy a new computer than upgrade the existing one. "Most people throw far too much money into a `junk' system," writes Scott Mueller in his book "Upgrading and Repairing PCs."

Upgrading and Repairing PCs

When people think of upgrading a computer, they usually focus on the obvious piece of hardware: the microprocessor. They want to turbo charge, say, an Intel 286-class chip into a 486-class screamer. Several companies sell up-gradable computers they say will accept the next-generation chip. Other companies sell processor upgrade boards to turn clunkers into speedsters.

- Generally, sector x and x+1 are contigous on media.That is it. I say generally, because x+1 might be remapped due to defects, for instance. But you'll find that in most cases the above is true. Of course drive makers are free to do whatever they want, but general performance breakdown would occur in _all_ os's if a streamed read from LBA 0 to LBA 2048, eg, would incur lots of seeks.deadline doesn't even attempt to say that a seek from a to b is more or less costly than a seek from x to y.Maybe you should read the source. I'll bet you it's a lot better source than some 'repairing pcs' book. Sorting disk I/O requests... Posted Oct 8, 2002 2:27 UTC (Tue) by tigerand (guest, #6150) [Link] 041b061a72