diff --git a/src/mainboard/google/rauru/chromeos.fmd b/src/mainboard/google/rauru/chromeos.fmd
index abf673fa03..b0f3191ab4 100644
--- a/src/mainboard/google/rauru/chromeos.fmd
+++ b/src/mainboard/google/rauru/chromeos.fmd
@@ -22,7 +22,7 @@ FLASH 8M {
 		RO_GSCVD 8K
 		RO_VPD(PRESERVE) 32K  # At least 16K.
 	}
-	RW_SECTION_A 1500K {
+	RW_SECTION_A 1756K {
 		VBLOCK_A 8K
 		FW_MAIN_A(CBFS)
 		RW_FWID_A 0x100
@@ -33,7 +33,7 @@ FLASH 8M {
 		RW_MRC_CACHE(PRESERVE) 16K
 		RW_ELOG(PRESERVE) 4K  # ELOG driver hard-coded size in 4K.
 	}
-	RW_SECTION_B 1500K {
+	RW_SECTION_B 1756K {
 		VBLOCK_B 8K
 		FW_MAIN_B(CBFS)
 		RW_FWID_B 0x100
@@ -42,5 +42,5 @@ FLASH 8M {
 		SHARED_DATA 4K  # 4K or less for netboot params.
 		RW_UNUSED
 	}
-	RW_LEGACY(CBFS) 1M  # Minimal 1M.
+	RW_LEGACY(CBFS) 512K
 }