DDR3-2133的設定用在DDR3-1600上 - 工程師
By Elizabeth
at 2016-07-19T16:38
at 2016-07-19T16:38
Table of Contents
請問板上各位同業先進前輩,
照 DDR3 Jedec spec來看
DDR3-2133的"CL=14 + CWL=10"的設定不能用在DDR3-1600上,
意即DDR3-1600不支援"CL=14 + CWL=10",
但請問各位有經驗在板子實際上這樣設,
意即拿DDR3-2133的"CL=14 + CWL=10"及所有DDR3-2133的設定,
加上DRAM controller的register setting用DRAM clock = 1066MHz算出來的設定,
但板子上DRAM device實際上跑800MHz (ie, DDR3-1600)
結果read, write和各種測試不會出問題嗎?
謝謝
--
照 DDR3 Jedec spec來看
DDR3-2133的"CL=14 + CWL=10"的設定不能用在DDR3-1600上,
意即DDR3-1600不支援"CL=14 + CWL=10",
但請問各位有經驗在板子實際上這樣設,
意即拿DDR3-2133的"CL=14 + CWL=10"及所有DDR3-2133的設定,
加上DRAM controller的register setting用DRAM clock = 1066MHz算出來的設定,
但板子上DRAM device實際上跑800MHz (ie, DDR3-1600)
結果read, write和各種測試不會出問題嗎?
謝謝
--
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工程師
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