E:\Downloads\e200v203.01.16f>mkamsboot.exe e200pf.bin bootloader-e200v2.sansa patched.bin
mkamsboot Version 1.5
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

[INFO] Original firmware MD5 checksum match
[INFO] Model: Sansa e200 v2 - Firmware version: 3.01.16
[INFO] Firmware patching has begun !

[INFO] Original firmware size:      120860 bytes
[INFO] Packed OF size:               78821 bytes
[INFO] Bootloader size:             107856 bytes
[INFO] Packed bootloader size:       54782 bytes
[INFO] Dual-boot function size:        176 bytes
[INFO] UCL unpack function size:       168 bytes
[INFO] Original firmware version:      512 bytes
[INFO] Total size of new image:     134459 bytes
[ERR]  Packed data (134459 bytes) doesn't fit in the firmware (120860 bytes)