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Comment Vivid memory of the days before chip memory (Score 2) 46

Worked on the Univac 9700 which first came out with magnetic wire memory that replaced cores in earlier systems. Fixing memory errors was done by desoldering the affected wire, sliding it along and resoldering it. The wire memory was much faster than the core memory and was about the same speed as the early chip memory.

Comment ESD from being handled (Score 1) 724

When you buy memory from an outlet, see how ESD damage is thought not possible if they grab the memory by the ends with thumb and forefinger. I have had to tell shops that they would be sacked on the spot if they were working on building or handling memory at the manufacturer. They proudly tell you they've never damaged memory, just because purchasers have not hot footed it back to the shop minutes later to say it's broken. The damage they've caused may not result in failure for months, but it will. With a large antistatic mat and a monitored wrist strap I have found memory is the most frequent failing component.

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