On Sat, Sep 19, 2020 at 05:04:10PM +0200, Eric Auer wrote: > Any memory allocated BEFORE DOS starts will be shown as > "there is less than 640k of memory". For example extra > data used by BIOS extensions, a bootable MEMDISK, some > tools which load before DOS to provide LBA support on > computers with too old BIOS, certain viruses etc. > > If you want more UMB, just use EMM386 with the NOEMS > option to disable the 64k EMS 3.x page frame :-) You > will still be able to use EMS version 4 nevertheless.
So I need to examine that part with debug. > DISPLAY needs more memory while loading than when > resident, so you could load it earlier when still > more UMB space is free. > > > > > https://retrocomputing.stackexchange.com/questions/1452/only-drive-a-detected-with-two-floppy-disk-drives > > It says controllers after 2003 tend to no longer support > more than one drive at the same time. From when is yours? > The computer mentioned on stackexchange is circa 2009. >From what I see on the page >http://www.asrock.com/mb/SiS/K7S8XE%20R3.0/?cat=Download&os=XP#BIOS the earliest BIOS update is from 2003/7/21, so around that "dangerous landmark", unfortunately -- regards, Zbigniew _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user