] manager (memman) the data is not present ! It seems BDOS switches back = ] the standard TPA segment and ] places the data in the standard TPA segment whenever loading. After that = ] my segment is placed back... ? ] This is indeed the case with MSXDOS2. MSXDOS2 always loads data to the sp-called primary mapper. Though, I don't know about MSXDOS1. Kind regards, Alex Wulms -- Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever See my homepage for info on the *** XSA *** format http://www.inter.nl.net/users/A.P.Wulms **** MSX Mailinglist. To unsubscribe, send an email to [EMAIL PROTECTED] and put in the body (not subject) "unsubscribe msx [EMAIL PROTECTED]" (without the quotes :-) Problems? contact [EMAIL PROTECTED] (www.stack.nl/~wiebe/mailinglist/) ****