@reinob interesting thing, LATEST versions of emmc and fiasco do not flash at all.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Program Files (x86)\maemo\flasher-3.5>flasher-3.5 -F RX-51_2009SE_20.2010.36-
2_PR_COMBINED_MR0_ARM.bin -f
flasher v2.5.2 (Sep 24 2009)

SW version in image: RX-51_2009SE_20.2010.36-2_PR_MR0
Image 'kernel', size 1705 kB
Version 2.6.28-20103103+0m5
Image 'rootfs', size 185728 kB
Version RX-51_2009SE_20.2010.36-2_PR_MR0
FIASCO subimage data length mismatch

C:\Program Files (x86)\maemo\flasher-3.5>flasher-3.5 -F RX-51_2009SE_20.2010.36-
2_PR_COMBINED_MR0_ARM.bin -f -R
flasher v2.5.2 (Sep 24 2009)

SW version in image: RX-51_2009SE_20.2010.36-2_PR_MR0
Image 'kernel', size 1705 kB
Version 2.6.28-20103103+0m5
Image 'rootfs', size 185728 kB
Version RX-51_2009SE_20.2010.36-2_PR_MR0
FIASCO subimage data length mismatch

C:\Program Files (x86)\maemo\flasher-3.5>flasher-3.5 -F RX-51_2009SE_20.2010.36-
2.002_PR_COMBINED_002_ARM.bin -f
flasher v2.5.2 (Sep 24 2009)

SW version in image: RX-51_2009SE_20.2010.36-2.002_PR_002
Image 'kernel', size 1705 kB
Version 2.6.28-20103103+0m5
Image 'rootfs', size 185856 kB
Version RX-51_2009SE_20.2010.36-2.002_PR_002
FIASCO subimage data length mismatch

C:\Program Files (x86)\maemo\flasher-3.5>flasher-3.5 -F RX-51_2009SE_10.2010.13-
2.VANILLA_PR_EMMC_MR0_ARM.bin -f
flasher v2.5.2 (Sep 24 2009)

Image 'mmc', size 255947 kB
Version RX-51_2009SE_10.2010.13-2.VANILLA
FIASCO subimage data length mismatch