diff --git a/board/isee/igep0020/igep0020.c b/board/isee/igep0020/igep0020.c
index a4d099a..a8257a3 100644
--- a/board/isee/igep0020/igep0020.c
+++ b/board/isee/igep0020/igep0020.c
@@ -77,19 +77,19 @@
 {
 	*mr = MICRON_V_MR_165;
 #ifdef CONFIG_BOOT_NAND
-	*mcfg = MICRON_V_MCFG_200(512 << 20);
+	*mcfg = MICRON_V_MCFG_200(256 << 20);
 	*ctrla = MICRON_V_ACTIMA_200;
 	*ctrlb = MICRON_V_ACTIMB_200;
 	*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
 #else
 	if (get_cpu_family() == CPU_OMAP34XX) {
-		*mcfg = NUMONYX_V_MCFG_165(512 << 20);
+		*mcfg = NUMONYX_V_MCFG_165(256 << 20);
 		*ctrla = NUMONYX_V_ACTIMA_165;
 		*ctrlb = NUMONYX_V_ACTIMB_165;
 		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 
 	} else {
-		*mcfg = NUMONYX_V_MCFG_200(512 << 20);
+		*mcfg = NUMONYX_V_MCFG_200(256 << 20);
 		*ctrla = NUMONYX_V_ACTIMA_200;
 		*ctrlb = NUMONYX_V_ACTIMB_200;
 		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
diff --git a/board/isee/igep0030/igep0030.c b/board/isee/igep0030/igep0030.c
index 4f8b645..107cb7f 100644
--- a/board/isee/igep0030/igep0030.c
+++ b/board/isee/igep0030/igep0030.c
@@ -64,19 +64,19 @@
 {
 	*mr = MICRON_V_MR_165;
 #ifdef CONFIG_BOOT_NAND
-	*mcfg = MICRON_V_MCFG_200(512 << 20);
+	*mcfg = MICRON_V_MCFG_200(256 << 20);
 	*ctrla = MICRON_V_ACTIMA_200;
 	*ctrlb = MICRON_V_ACTIMB_200;
 	*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
 #else
 	if (get_cpu_family() == CPU_OMAP34XX) {
-		*mcfg = NUMONYX_V_MCFG_165(512 << 20);
+		*mcfg = NUMONYX_V_MCFG_165(256 << 20);
 		*ctrla = NUMONYX_V_ACTIMA_165;
 		*ctrlb = NUMONYX_V_ACTIMB_165;
 		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
 
 	} else {
-		*mcfg = NUMONYX_V_MCFG_200(512 << 20);
+		*mcfg = NUMONYX_V_MCFG_200(256 << 20);
 		*ctrla = NUMONYX_V_ACTIMA_200;
 		*ctrlb = NUMONYX_V_ACTIMB_200;
 		*rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;