On 11/03/2010 03:42 AM, Michael J. Mahon wrote:
From my experience, only the first run of Zip Chips were unreliable-- the ones in which the tops of the two *packaged* SRAM chip packages are visible on the underside of the Zip Chip seem reliable.
You lead a charmed life. All of mine have the packaged SRAM chips. All are flaky to one degree or another.