diff --git a/src/mainboard/google/deltaur/Kconfig b/src/mainboard/google/deltaur/Kconfig
index 6b4af9b..cd4646c 100644
--- a/src/mainboard/google/deltaur/Kconfig
+++ b/src/mainboard/google/deltaur/Kconfig
@@ -15,6 +15,7 @@
 	select MAINBOARD_USES_IFD_EC_REGION
 	select SOC_INTEL_TIGERLAKE
 	select SYSTEM_TYPE_LAPTOP
+	select MAINBOARD_USES_IFD_GBE_REGION if BOARD_GOOGLE_DELTAN
 
 if BOARD_GOOGLE_BASEBOARD_DELTAUR
 
diff --git a/src/mainboard/google/deltaur/chromeos.fmd b/src/mainboard/google/deltaur/chromeos.fmd
index d0cf8e9..9b6fec3 100644
--- a/src/mainboard/google/deltaur/chromeos.fmd
+++ b/src/mainboard/google/deltaur/chromeos.fmd
@@ -1,26 +1,27 @@
 FLASH@0xfe000000 0x2000000 {
-	SI_ALL@0x0 0x604000 {
+	SI_ALL@0x0 0x606000 {
 		SI_DESC@0x0 0x1000
 		SI_EC@0x1000 0x100000
-		SI_ME@0x101000 0x4ff000
-		SI_PDR(PRESERVE)@0x600000 0x4000
+		SI_GBE(PRESERVE)@0x101000 0x2000
+		SI_ME@0x103000 0x4ff000
+		SI_PDR(PRESERVE)@0x602000 0x4000
 	}
-	SI_BIOS@0x604000 0x19fc000 {
-		RW_DIAG@0x0 0x10cc000 {
-			RW_LEGACY(CBFS)@0x0 0x10bc000
-			DIAG_NVRAM@0x10bc000 0x10000
+	SI_BIOS@0x606000 0x19fa000 {
+		RW_DIAG@0x0 0x10ca000 {
+			RW_LEGACY(CBFS)@0x0 0x10ba000
+			DIAG_NVRAM@0x10ba000 0x10000
 		}
-		RW_SECTION_A@0x10cc000 0x280000 {
+		RW_SECTION_A@0x10ca000 0x280000 {
 			VBLOCK_A@0x0 0x10000
 			FW_MAIN_A(CBFS)@0x10000 0x26ffc0
 			RW_FWID_A@0x27ffc0 0x40
 		}
-		RW_SECTION_B@0x134c000 0x280000 {
+		RW_SECTION_B@0x134a000 0x280000 {
 			VBLOCK_B@0x0 0x10000
 			FW_MAIN_B(CBFS)@0x10000 0x26ffc0
 			RW_FWID_B@0x27ffc0 0x40
 		}
-		RW_MISC@0x15cc000 0x30000 {
+		RW_MISC@0x15ca000 0x30000 {
 			UNIFIED_MRC_CACHE@0x0 0x20000 {
 				RECOVERY_MRC_CACHE@0x0 0x10000
 				RW_MRC_CACHE@0x10000 0x10000
@@ -33,7 +34,7 @@
 			RW_VPD(PRESERVE)@0x28000 0x2000
 			RW_NVRAM(PRESERVE)@0x2a000 0x6000
 		}
-		WP_RO@0x15fc000 0x400000 {
+		WP_RO@0x15fa000 0x400000 {
 			RO_VPD(PRESERVE)@0x0 0x4000
 			RO_UNUSED@0x4000 0xc000
 			RO_SECTION@0x10000 0x3f0000 {
diff --git a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
index a63d66c..a30c12d 100644
--- a/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/deltaur/variants/baseboard/devicetree.cb
@@ -59,11 +59,6 @@
 	register "PcieClkSrcUsage[4]" = "6"
 	register "PcieClkSrcClkReq[4]" = "4"
 
-	# PCIe port root 8 (LAN), clock 3
-	register "PcieRpEnable[7]" = "1"
-	register "PcieClkSrcUsage[3]" = "PCIE_CLK_LAN"
-	register "PcieClkSrcClkReq[3]" = "3"
-
 	# PCIe root port 9 (NVMe), clock 2
 	register "PcieRpEnable[8]" = "1"
 	register "PcieClkSrcUsage[2]" = "8"
@@ -332,7 +327,7 @@
 		device pci 1f.3 on  end # Intel HDA
 		device pci 1f.4 on  end # SMBus
 		device pci 1f.5 on  end # PCH SPI Flash Controller
-		device pci 1f.6 on  end # GbE Controller
+		device pci 1f.6 off end # GbE Controller
 		device pci 1f.7 off end # Intel Trace Hub
 	end
 end
diff --git a/src/mainboard/google/deltaur/variants/deltan/overridetree.cb b/src/mainboard/google/deltaur/variants/deltan/overridetree.cb
index 32204c5..6a2719b 100644
--- a/src/mainboard/google/deltaur/variants/deltan/overridetree.cb
+++ b/src/mainboard/google/deltaur/variants/deltan/overridetree.cb
@@ -1,6 +1,12 @@
 chip soc/intel/tigerlake
 
+	# PCIe Port 8 for LAN
+	register "PcieRpEnable[7]" = "1"
+	register "PcieClkSrcUsage[3]" = "PCIE_CLK_LAN"
+	register "PcieClkSrcClkReq[3]" = "3"
+
 	device domain 0 on
+		device pci 1f.6 on end # GbE			0x15FC
 	end
 
 end