diff --git a/flash_scripts/flash_m548x_bas.bdm b/flash_scripts/flash_m548x_bas.bdm
index 3db5836..e5bd7b2 100755
--- a/flash_scripts/flash_m548x_bas.bdm
+++ b/flash_scripts/flash_m548x_bas.bdm
@@ -77,16 +77,6 @@ erase 0xE0000000 10
 erase 0xE0000000 11
 erase 0xE0000000 12
 erase 0xE0000000 13
-#erase 0xE0000000 0x2000
-#erase 0xE0000000 0x3000
-#erase 0xE0000000 0x4000
-#erase 0xE0000000 0x5000
-#erase 0xE0000000 0x00006000
-#erase 0xE0000000 0x00007000
-#erase 0xE0000000 0x00008000
-#erase 0xE0000000 0x00009000
-#erase 0xE0000000 0x0000a000
-#erase 0xE0000000 0x0000b000
-#erase-wait 0xe0000000
+
 load -v ../m5484lite/bas.elf
 wait
diff --git a/flash_scripts/flash_m548x_bas.sh b/flash_scripts/flash_m548x_bas.sh
new file mode 100755
index 0000000..36299fd
--- /dev/null
+++ b/flash_scripts/flash_m548x_bas.sh
@@ -0,0 +1,7 @@
+#!/bin/bash
+
+pushd ../../BaS_gcc
+make clean all
+popd
+time bdmctrl flash_m548x_bas.bdm /dev/tblcf4
+
diff --git a/flash_scripts/flash_m548x_etos.bdm b/flash_scripts/flash_m548x_etos.bdm
index c53b527..f9cdbea 100755
--- a/flash_scripts/flash_m548x_etos.bdm
+++ b/flash_scripts/flash_m548x_etos.bdm
@@ -5,9 +5,6 @@
 open $1
 reset
 
-# Turn on RAMBAR0 at address FF10_0000 
-write-ctrl 0x0C04 0xFF100007
-
 # Init CS0 (BootFLASH @ E000_0000 - E07F_FFFF 8Mbytes)
 write 0xFF000500 0xE0000000 4
 write 0xFF000508 0x00001180 4
@@ -34,15 +31,25 @@ write 0xFF000104 0x710D0F00 4 # SDCR (lock SDMR and enable refresh)
 sleep 10
 
 
-# use sram as flashlib scratch area
+# use system sdram as flashlib scratch area
 # flashing EmuTOS with plugin does not work yet (at least not for 64bit hosts)
-#flash-plugin 0xFF101000 0xffff flashintelc3.plugin
+#flash-plugin 0x1000 0xf000 flash29.plugin
 
 # notify flashlib that we have flash at address 0xE0000000, length 0x7FFFFF, plugin is flash29
 flash 0xe0000000
 
-# Erase flash from 0xE0100000 to 0xE01FFFFF (reserved space for EmuTOS on the m5484lite)
+# Erase flash from 0xE0600000 to 0xE06FFFFF (reserved space for EmuTOS)
+#
+# Caution: sector offset numbers need to be the ones from the x16 address range
+# column and they vary in size - needs to be exactly as in the data sheet (p. 9)
+#
+# contrary to documentation, it seems we need to erase-wait after each sector
 
+erase 0xe0000000 16
+erase 0xe0000000 17
+erase 0xe0000000 18
+erase 0xe0000000 19
+erase 0xe0000000 20
 erase 0xe0000000 21
 erase 0xe0000000 22
 erase 0xe0000000 23
@@ -63,4 +70,4 @@ erase 0xe0000000 37
 erase 0xe0000000 38
 erase 0xe0000000 39
 
-load ../../emutos/emutos-m548x-bas.elf
+load -v emutos-m548x-bas.elf
diff --git a/flash_scripts/flash_m548x_etos.sh b/flash_scripts/flash_m548x_etos.sh
new file mode 100755
index 0000000..c28fca0
--- /dev/null
+++ b/flash_scripts/flash_m548x_etos.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+pushd ../../emutos
+make clean m548x-bas -j
+m68k-elf-objcopy --alt-machine-code 4 -Isrec -Oelf32-m68k emutos-m548x-bas.s19 emutos-m548x-bas.elf
+mv emutos-m548x-bas.elf ../BaS_gcc/flash_scripts/emutos-m548x-bas.elf
+popd
+time bdmctrl flash_m548x_etos.bdm /dev/tblcf4