HandBooks Professional Java-C-Scrip-SQL part 194 potx
... not all of the address lines can be tested in this way. Part of the address—the leftmost bits—selects the memory chip itself. Another part the rightmost bits—might not be significant if the ... be connected to the socket at all or will be connected at the wrong place. These pins will be part of the data bus, address bus, or control wiring. So as long as you test for wiring problems
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