diff --git a/liteeth/phy/a7_1000basex.py b/liteeth/phy/a7_1000basex.py
index d0a14b9..8ccb0c6 100644
--- a/liteeth/phy/a7_1000basex.py
+++ b/liteeth/phy/a7_1000basex.py
@@ -203,8 +203,8 @@ class A7_1000BASEX(LiteXModule):
 
             # CDR Attributes
             p_RXCDR_CFG                  = {
-                1.25e9 : 0x0001107FE086021101010,
-                2.5e9  : 0x0000107FE206001041010,
+                1.25e9  : 0x0001107FE086021101010,
+                3.125e9 : 0x0000107FE206001041010,
             }[self.linerate],
             p_RXCDR_FR_RESET_ON_EIDLE    = 0b0,
             p_RXCDR_HOLD_DURING_EIDLE    = 0b0,
@@ -323,10 +323,10 @@ class A7_1000BASEX(LiteXModule):
             p_SATA_PLL_CFG               = "VCO_3000MHZ",
 
             # RX Fabric Clock Output Control Attributes
-            p_RXOUT_DIV                  = {1.25e9 : 4, 2.5e9 : 2}[self.linerate],
+            p_RXOUT_DIV                  = {1.25e9 : 4, 3.125e9 : 2}[self.linerate],
 
             # TX Fabric Clock Output Control Attributes
-            p_TXOUT_DIV                  = {1.25e9 : 4, 2.5e9 : 2}[self.linerate],
+            p_TXOUT_DIV                  = {1.25e9 : 4, 3.125e9 : 2}[self.linerate],
 
             # RX Phase Interpolator Attributes
             p_RXPI_CFG0                  = 0b000,
@@ -785,6 +785,6 @@ class A7_1000BASEX(LiteXModule):
 # A7_2500BASEX PHY ---------------------------------------------------------------------------------
 
 class A7_2500BASEX(A7_1000BASEX):
-    linerate    = 2.5e9
+    linerate    = 3.125e9
     rx_clk_freq = 312.5e6
     tx_clk_freq = 312.5e6
diff --git a/liteeth/phy/k7_1000basex.py b/liteeth/phy/k7_1000basex.py
index 96bb401..8ac4852 100644
--- a/liteeth/phy/k7_1000basex.py
+++ b/liteeth/phy/k7_1000basex.py
@@ -802,6 +802,6 @@ class K7_1000BASEX(LiteXModule):
 # K7_2500BASEX PHY ---------------------------------------------------------------------------------
 
 class K7_2500BASEX(K7_1000BASEX):
-    linerate    = 2.5e9
+    linerate    = 3.125e9
     rx_clk_freq = 312.5e6
     tx_clk_freq = 312.5e6
diff --git a/liteeth/phy/ku_1000basex.py b/liteeth/phy/ku_1000basex.py
index 372900f..c79f882 100644
--- a/liteeth/phy/ku_1000basex.py
+++ b/liteeth/phy/ku_1000basex.py
@@ -291,7 +291,7 @@ class KU_1000BASEX(LiteXModule):
             p_RXOOB_CFG                    = 0b000000110,
             p_RXOOB_CLK_CFG                = "PMA",
             p_RXOSCALRESET_TIME            = 0b00011,
-            p_RXOUT_DIV                    = {1.25e9 : 4, 2.5e9 : 2}[self.linerate],
+            p_RXOUT_DIV                    = {1.25e9 : 4, 3.125e9 : 2}[self.linerate],
             p_RXPCSRESET_TIME              = 0b00011,
             p_RXPHBEACON_CFG               = 0b0000000000000000,
             p_RXPHDLY_CFG                  = 0b0010000000100000,
@@ -396,7 +396,7 @@ class KU_1000BASEX(LiteXModule):
             p_TXFIFO_ADDR_CFG            = "LOW",
             p_TXGBOX_FIFO_INIT_RD_ADDR   = 4,
             p_TXGEARBOX_EN               = "FALSE",
-            p_TXOUT_DIV                  = {1.25e9 : 4, 2.5e9 : 2}[self.linerate],
+            p_TXOUT_DIV                  = {1.25e9 : 4, 3.125e9 : 2}[self.linerate],
             p_TXPCSRESET_TIME            = 0b00011,
             p_TXPHDLY_CFG0               = 0b0010000000100000,
             p_TXPHDLY_CFG1               = 0b0000000001110101,
@@ -860,6 +860,6 @@ class KU_1000BASEX(LiteXModule):
 # KU_2500BASEX PHY ---------------------------------------------------------------------------------
 
 class KU_2500BASEX(KU_1000BASEX):
-    linerate    = 2.5e9
+    linerate    = 3.125e9
     rx_clk_freq = 312.5e6
     tx_clk_freq = 312.5e6