Thank you for the clarification of one mystery! I hit the same behaviour on my Pocket 386 laptop. (At the end, I resolved that by switching to FAT16. I use 2 GB CF card with Pocket 386, so I could do that.)
Best regards, Lukas ---- dne st, 14 srp 2024 11:54:39 +0200, tom ehlert via Freedos-user napsal --- > Hallo Herr Trevor Campbell via Freedos-user, > > am Mittwoch, 14. August 2024 um 01:10 schrieben Sie: > > > I have Freedos installed on 8086 hardware using an SD Card with a 1Gb > > FAT-16 partition. (I have so far been unable to get a FAT-32 partition to > > work) > > > After boot the first time I run a `DIR` command e.g. > > > ``` > > C:\>>dir > > > ``` > > > The directory list returns quickly, but the number of bytes free takes > > another 30 seconds to appear. Subsequent `DIR` commands return immediately > > whether in the same directory or elsewhere. > > > That's something in the design of DOS/FAT. > When the machine boots, it doesn't know the amount of free clusters on the > disk. > > When asked about free disk space, it has to read the entire FAT and count > the number of unused clusters. And it does so one sector of FAT data after > he next > sector. that's no problem on a FAT16 drive with at most 256 sectors in the > FAT, but can be a problem for large FAT32 drives. > > After this first time, DOS remembers the number of free clusters and keeps > track of them over creat, write, delete operation so it is much faster. > > Tomoooooko > > > > _______________________________________________ > Freedos-user mailing list > Freedos-user@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freedos-user > _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
