diff --git a/BaS_gcc/flash_scripts/flash_m548x_bas.bdm b/BaS_gcc/flash_scripts/flash_m548x_bas.bdm
index bf6448c..8ee0eaf 100755
--- a/BaS_gcc/flash_scripts/flash_m548x_bas.bdm
+++ b/BaS_gcc/flash_scripts/flash_m548x_bas.bdm
@@ -4,39 +4,45 @@
 #
 open $1
 reset
-sleep 10
-
 wait
 
-# Turn on MBAR at 0xFF00_0000
-write-ctrl 0x0C0F 0xFF000000
-
 # set VBR
 write-ctrl 0x0801 0x00000000
+dump-register VBR
+
+# Turn on MBAR at 0xFF00_0000
+write-ctrl 0x0C0F 0xFF000000
+dump-register MBAR
+
+# Turn on RAMBAR0 at address FF10_0000 
+write-ctrl 0x0C04 0xFF100007
+
+# Turn on RAMBAR1 at address FF10_1000 (disabled - not mapped by bdm currently)
+write-ctrl 0x0C05 0xFF101001
 
 #
-# Init CS0 (BootFLASH @ E000_0000 - E07F_FFFF 8Mbytes)
+# Init CS0 (BootFLASH @ E000_0000 - E03F_FFFF 4Mbytes)
 write 0xFF000500 0xE0000000 4
-write 0xFF000508 0x00001180 4
-write 0xFF000504 0x007F0001 4
+write 0xFF000508 0x00041180 4
+write 0xFF000504 0x003F0001 4
 
-# SDRAM Initialization @ 0000_0000 - 1FFF_FFFF 512Mbytes
+# SDRAM Initialization @ 0000_0000 - 03FF_FFFF 64 Mbytes
 write 0xFF000004 0x000002AA 4 # SDRAMDS configuration
-write 0xFF000020 0x0000001A 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
-write 0xFF000024 0x0800001A 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
-write 0xFF000028 0x1000001A 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
-write 0xFF00002C 0x1800001A 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
-write 0xFF000108 0x73622830 4 # SDCFG1
-write 0xFF00010C 0x46770000 4 # SDCFG2
+write 0xFF000020 0x00000019 4 # SDRAM CS0 configuration (128Mbytes 0000_0000 - 07FF_FFFF)
+write 0xFF000024 0x08000000 4 # SDRAM CS1 configuration (128Mbytes 0800_0000 - 0FFF_FFFF)
+write 0xFF000028 0x10000000 4 # SDRAM CS2 configuration (128Mbytes 1000_0000 - 17FF_FFFF)
+write 0xFF00002C 0x18000000 4 # SDRAM CS3 configuration (128Mbytes 1800_0000 - 1FFF_FFFF)
+write 0xFF000108 0x73711630 4 # SDCFG1
+write 0xFF00010C 0x46370000 4 # SDCFG2
 
-write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
+write 0xFF000104 0xE10B0002 4 # SDCR + IPALL
 write 0xFF000100 0x40010000 4 # SDMR (write to LEMR)
-write 0xFF000100 0x048D0000 4 # SDMR (write to LMR)
+write 0xFF000100 0x058D0000 4 # SDMR (write to LMR)
 sleep 100
 write 0xFF000104 0xE10D0002 4 # SDCR + IPALL
 write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
 write 0xFF000104 0xE10D0004 4 # SDCR + IREF (first refresh)
-write 0xFF000100 0x008D0000 4 # SDMR (write to LMR)
+write 0xFF000100 0x018D0000 4 # SDMR (write to LMR)
 write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
 sleep 10
 
@@ -44,9 +50,9 @@ sleep 10
 # use system sdram as flashlib scratch area.
 # TODO: plugin flashing seems to work o.k. now for smaller binaries, while it doesn't for larger ones (EmuTOS) yet.
 # This seems to be related to large flash buffers and PC-relative adressing of the plugin
-flash-plugin 0x1000 0xf000 flash29.plugin
+#flash-plugin 0x1000 0xf000 flash29.plugin
 # notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
-flash 0xE0000000
+flash 0xE0000000 flashintelc3
 
 # Erase flash from 0xE0000000 to 0xE00FFFFF (reserved space for BaS)
 #
@@ -55,26 +61,17 @@ flash 0xE0000000
 #
 # contrary to documentation, it seems we need to erase-wait after each sector
 
-erase 0xE0000000 0x00000
-erase-wait 0xE0000000
-erase 0xE0000000 0x01000
-erase-wait 0xE0000000
-erase 0xE0000000 0x02000
-erase-wait 0xE0000000
-erase 0xE0000000 0x03000
-erase-wait 0xE0000000
-erase 0xE0000000 0x04000
-erase-wait 0xE0000000
-erase 0xE0000000 0x05000
-erase-wait 0xE0000000
-erase 0xE0000000 0x06000
-erase-wait 0xE0000000
-erase 0xE0000000 0x07000
-erase-wait 0xE0000000
-erase 0xE0000000 0x08000
-erase-wait 0xE0000000
-erase 0xE0000000 0x10000
-erase-wait 0xE0000000
-blank-chk 0xE0000000 0x10000
-load -v bas.elf
+erase 0xE0000000 -1
+#erase 0xE0000000 0x01000
+#erase 0xE0000000 0x02000
+#erase 0xE0000000 0x03000
+#erase 0xE0000000 0x04000
+#erase 0xE0000000 0x05000
+#erase 0xE0000000 0x06000
+#erase 0xE0000000 0x07000
+#erase 0xE0000000 0x08000
+#erase 0xE0000000 0x10000
+#erase-wait 0xe0000000
+#blank-chk 0xE0000000 0x10000
+load -v m5484lite/bas.elf
 wait