![NI532014081XXS7: Major Brands : 4MB DRAM Module 70ns 72-Pin SIMM EDO-RAM Non-Parity SMART : ICs & Semiconductors NI532014081XXS7: Major Brands : 4MB DRAM Module 70ns 72-Pin SIMM EDO-RAM Non-Parity SMART : ICs & Semiconductors](https://www.jameco.com/Jameco/Products/MakeImag/2344823.jpg)
NI532014081XXS7: Major Brands : 4MB DRAM Module 70ns 72-Pin SIMM EDO-RAM Non-Parity SMART : ICs & Semiconductors
![16MB 30pin non-Parity SIMM RAM MEMORY 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com 16MB 30pin non-Parity SIMM RAM MEMORY 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com](https://i5.walmartimages.com/asr/5f5bc7a8-3897-4b62-ad43-61227154cf53_1.3364c0ee0df954a7b2ecf93de2d0fbdf.jpeg)
16MB 30pin non-Parity SIMM RAM MEMORY 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com
![4MB 30pin SIMM RAM Memory with Parity 4x9 60ns for Apple, Macintosh, Musical Sampler, Old PC, Video Controller at Amazon.com 4MB 30pin SIMM RAM Memory with Parity 4x9 60ns for Apple, Macintosh, Musical Sampler, Old PC, Video Controller at Amazon.com](https://m.media-amazon.com/images/I/71carV3TDML._AC_UF894,1000_QL80_.jpg)
4MB 30pin SIMM RAM Memory with Parity 4x9 60ns for Apple, Macintosh, Musical Sampler, Old PC, Video Controller at Amazon.com
When and why did personal computers begin to use parity RAM? I know many personal computers in the early to mid 80s had many kilobytes of RAM and did not have parity. -
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