diff --git a/configs/orangepi_lite_defconfig b/configs/orangepi_lite_defconfig
index a72d506..2c49525 100644
--- a/configs/orangepi_lite_defconfig
+++ b/configs/orangepi_lite_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=624
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-h3-orangepi-lite"
diff --git a/configs/orangepi_one_defconfig b/configs/orangepi_one_defconfig
index 5a7aba1..3ba4009 100644
--- a/configs/orangepi_one_defconfig
+++ b/configs/orangepi_one_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=624
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-h3-orangepi-one"
diff --git a/configs/orangepi_plus2e_defconfig b/configs/orangepi_plus2e_defconfig
index 2374f1d..579bc70 100644
--- a/configs/orangepi_plus2e_defconfig
+++ b/configs/orangepi_plus2e_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=624
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
diff --git a/configs/orangepi_plus_defconfig b/configs/orangepi_plus_defconfig
index f2ed941..e8219bb 100644
--- a/configs/orangepi_plus_defconfig
+++ b/configs/orangepi_plus_defconfig
@@ -1,7 +1,7 @@
 CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=624
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 CONFIG_MMC_SUNXI_SLOT_EXTRA=2
diff --git a/configs/orangepi_zero_defconfig b/configs/orangepi_zero_defconfig
index ac44937..0e761b6 100644
--- a/configs/orangepi_zero_defconfig
+++ b/configs/orangepi_zero_defconfig
@@ -2,7 +2,7 @@ CONFIG_ARM=y
 CONFIG_ARCH_SUNXI=y
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
 CONFIG_MACH_SUN8I_H3=y
-CONFIG_DRAM_CLK=672
+CONFIG_DRAM_CLK=408
 CONFIG_DRAM_ZQ=3881979
 CONFIG_DRAM_ODT_EN=y
 CONFIG_DEFAULT_DEVICE_TREE="sun8i-h2-plus-orangepi-zero"
