![16MB 30pin SIMM RAM MEMORY with Parity 16x9 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com 16MB 30pin SIMM RAM MEMORY with Parity 16x9 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com](https://i5.walmartimages.com/asr/ec28b89d-71ed-45a0-afbc-0c445b917b2d.18428838abedcfe89f345db941fb21d0.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
16MB 30pin SIMM RAM MEMORY with Parity 16x9 60ns for Apple, macintosh, Musical sampler, old PC, Video controller - Walmart.com
![Set 4x NEC MC-421000A9B-80 1MB 4MB kit 80ns parity RAM 30-pin SIMM memory modules - Classic Computer Shop Set 4x NEC MC-421000A9B-80 1MB 4MB kit 80ns parity RAM 30-pin SIMM memory modules - Classic Computer Shop](https://classiccomputershop.eu//Files/5/17000/17331/ProductPhotos/Source/1863038799.jpg)
Set 4x NEC MC-421000A9B-80 1MB 4MB kit 80ns parity RAM 30-pin SIMM memory modules - Classic Computer Shop
![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
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. -
![Set 4x Kingston KTM-1000S B00 1MB 4MB kit 80ns parity RAM 30-pin SIMM memory modules - Classic Computer Shop Set 4x Kingston KTM-1000S B00 1MB 4MB kit 80ns parity RAM 30-pin SIMM memory modules - Classic Computer Shop](https://classiccomputershop.eu/Files/5/17000/17331/ProductPhotos/MaxContent/1863064197.jpg)