diff --git a/patch/u-boot/u-boot-sunxi/add-xx-nanopineocore2.patch b/patch/u-boot/u-boot-sunxi/add-xx-nanopineocore2.patch
index f41564a557..552eb2719f 100644
--- a/patch/u-boot/u-boot-sunxi/add-xx-nanopineocore2.patch
+++ b/patch/u-boot/u-boot-sunxi/add-xx-nanopineocore2.patch
@@ -143,7 +143,7 @@ index 0000000..4624ec3
 +CONFIG_ARM=y
 +CONFIG_ARCH_SUNXI=y
 +CONFIG_MACH_SUN50I_H5=y
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
 +CONFIG_DRAM_ZQ=3881977
 +CONFIG_MACPWR="PD6"
 +CONFIG_DEFAULT_DEVICE_TREE="sun50i-h5-nanopi-neo-core2"
diff --git a/patch/u-boot/u-boot-sunxi/adjust-default-dram-clockspeeds.patch b/patch/u-boot/u-boot-sunxi/adjust-default-dram-clockspeeds.patch
index c4f424316d..33a8e4ef99 100644
--- a/patch/u-boot/u-boot-sunxi/adjust-default-dram-clockspeeds.patch
+++ b/patch/u-boot/u-boot-sunxi/adjust-default-dram-clockspeeds.patch
@@ -111,7 +111,7 @@ index c7db07a..38b6646 100644
  CONFIG_ARCH_SUNXI=y
  CONFIG_MACH_SUN50I_H5=y
 -CONFIG_DRAM_CLK=672
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
  CONFIG_DRAM_ZQ=3881977
  CONFIG_DEFAULT_DEVICE_TREE="sun50i-h5-nanopi-neo2"
  # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
@@ -124,7 +124,7 @@ index f6b4ca7..34437fc 100644
  CONFIG_ARCH_SUNXI=y
  CONFIG_MACH_SUN50I_H5=y
 -CONFIG_DRAM_CLK=408
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
  CONFIG_DRAM_ZQ=3881977
  CONFIG_MACPWR="PD6"
  CONFIG_DEFAULT_DEVICE_TREE="sun50i-h5-nanopi-neo-plus2"
@@ -193,7 +193,7 @@ index ba0f2d5..93641c3 100644
  CONFIG_SPL=y
  CONFIG_MACH_SUN50I_H5=y
 -CONFIG_DRAM_CLK=672
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
  CONFIG_DRAM_ZQ=3881977
 +CONFIG_DRAM_ODT_EN=y
  # CONFIG_DRAM_ODT_EN is not set
@@ -238,7 +238,7 @@ index d7b8004..2ee5937 100644
  CONFIG_SPL=y
  CONFIG_MACH_SUN50I_H5=y
 -CONFIG_DRAM_CLK=672
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
  CONFIG_DRAM_ZQ=3881977
 +CONFIG_DRAM_ODT_EN=y
  # CONFIG_DRAM_ODT_EN is not set
@@ -268,7 +268,7 @@ index 57c63b962a..ec9e5c73b1 100644
  CONFIG_ARCH_SUNXI=y
  CONFIG_MACH_SUN50I_H5=y
 -CONFIG_DRAM_CLK=672
-+CONFIG_DRAM_CLK=624
++CONFIG_DRAM_CLK=504
  CONFIG_DRAM_ZQ=3881977
  CONFIG_MMC0_CD_PIN="PH13"
  CONFIG_MMC_SUNXI_SLOT_EXTRA=2