I found a samsung SW-408B firmware for m300 and bs04 and i really dont know what O/S it works for. if know how to work it email me.
The following files are found inside the driver download file.
|408b/Bs04.bin||524.3 KB||16 Jul 2001|
|408b/sfdnwin.exe||596.0 KB||28 Nov 2001|
|408b/M300.bin||524.3 KB||28 Nov 2001|
|408b/!.txt||38 bytes||17 Jul 2001|