diff --git a/RTL8218B.md b/RTL8218B.md
index b018e32e..2e752ebb 100644
--- a/RTL8218B.md
+++ b/RTL8218B.md
@@ -1,5 +1,7 @@
 RTL8218B Register Layout
 
+
+
 Page | Register | Bits | MAC SerDes 0 - page 0 | Description
 --- | --- | --- | --- | ---
 0x404 | 0x10 | 15:15 | DIS_RENWAY | 
@@ -16,6 +18,16 @@ Page | Register | Bits | MAC SerDes 0 - page 0 | Description
 0x404 | 0x10 | 02:02 | SDS_TX_DOWN | 
 0x404 | 0x10 | 01:01 | SDS_EN_RX | 
 0x404 | 0x10 | 00:00 | SDS_EN_TX | 
+**Page** | **Register** | **Bits** | **MAC SerDes 0 - page 3** | **Description**
+0x404 | 0x13 | 15:15 | WR_SOFT_RSTB	
+0x404 | 0x13 | 14:14 | USE_25M_CLK
+0x404 | 0x13 | 13:13 | MARK_CARR_EXT
+0x404 | 0x13 | 12:12 | SEL_DEG	
+0x404 | 0x13 | 11:08 | REG_CALIB_OK_CNT
+0x404 | 0x13 | 07:07 | EXT_PWR_CTL	
+0x404 | 0x13 | 06:06 | SOFT_RST
+0x404 | 0x13 | 05:05 | CLR_SOFT_RSTB
+0x404 | 0x13 | 04:00 | CMA_RQ
 **Page** | **Register** | **Bits** | **MAC SerDes 0 - page 4** | **Description**
 0x404 | 0x14 | 15:13 | CFG_FRC_SDS_MODE | 0x6 = QSGMII
 0x404 | 0x14 | 12:12 | CFG_FRC_SDS_MODE_EN | Enable SerDes forced mode
@@ -51,6 +63,16 @@ Page | Register | Bits | MAC SerDes 0 - page 0 | Description
 0x424 | 0x10 | 02:02 | SDS_TX_DOWN | 
 0x424 | 0x10 | 01:01 | SDS_EN_RX | 
 0x424 | 0x10 | 00:00 | SDS_EN_TX | 
+**Page** | **Register** | **Bits** | **MAC SerDes 0 - page 3** | **Description**
+0x404 | 0x13 | 15:15 | WR_SOFT_RSTB	
+0x404 | 0x13 | 14:14 | USE_25M_CLK
+0x404 | 0x13 | 13:13 | MARK_CARR_EXT
+0x404 | 0x13 | 12:12 | SEL_DEG	
+0x404 | 0x13 | 11:08 | REG_CALIB_OK_CNT
+0x404 | 0x13 | 07:07 | EXT_PWR_CTL	
+0x404 | 0x13 | 06:06 | SOFT_RST
+0x404 | 0x13 | 05:05 | CLR_SOFT_RSTB
+0x404 | 0x13 | 04:00 | CMA_RQ
 **Page** | **Register** | **Bits** | **MAC SerDes 1 - page 4** | **Description**
 0x424 | 0x14 | 15:13 | CFG_FRC_SDS_MODE | 
 0x424 | 0x14 | 12:12 | CFG_FRC_SDS_MODE_EN |