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en:xu4_ram_overclock [2017/05/23 11:54]
joy.cho [Android Guide]
en:xu4_ram_overclock [2017/05/23 12:11]
joy.cho [Ubuntu Guide]
Line 31: Line 31:
  
 ===== Ubuntu Guide ===== ===== Ubuntu Guide =====
 +
 +On kernel 4.9, you can change ddr frequency using boot.ini interface.\\
 +The available frequency set is **933MHz, 825MHz, 728MHz and 633MHz**\\
 +and the default one is **825MHz**.\\
 +As we check the benchmark score using **mbw**, about 10% improvement can be expected.
 +=== boot.ini ===
 +Please find **ddr_freq** in boot.ini and change the value.
 +<​code>​
 +...
 +# DRAM Frequency
 +# Sets the LPDDR3 memory frequency
 +# Supported values: 933 825 728 633 (MHZ)
 +setenv ddr_freq 825
 +...
 +# set DDR frequency
 +dmc ${ddr_freq}
 +...
 +</​code>​
 +
 +
 ===== AnTuTu Benchmark Score ===== ===== AnTuTu Benchmark Score =====
  
en/xu4_ram_overclock.txt ยท Last modified: 2017/05/23 18:24 by joy.cho
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