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如何簡易分辨DDR SDRAM是否支援Unbuffered, Registered以及ECC等功能的記憶體 ?

 

請參考下列圖片

  • unbuffered 的一般一面顆粒數都是 8 顆
  • unbuffered ecc 則是 9 顆
  • registered 則多幾顆小的, 顆粒也可能更多 (16 for registered or 18 for registered ECC)

Figure1. Unbuffered, Non-ECC

Figure2. Unbuffered, ECC

Figure3. Registered, ECC

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