On Wed, 20 Jun 2018, Jim Hall wrote:
More info:
It's been a long time since I saw drivparm so I had to look it up.
Here's a reference:
https://www.computerhope.com/drivparm.htm
That command in CONFIG.SYS tells MS-DOS that the system has a single
1.44MB 3.5" floppy drive. I don't remember anymore why MS-DOS provided
this command. I think it was to speed up floppy drive access.
FreeDOS does not support drivparm. I asked him what happens when he
removes the line from his config.sys? I think FreeDOS should query the
floppy drive on its own, not sure why he says it doesn't work. I
assume Michael should be safe in removing this from his FreeDOS
FDCONFIG.SYS.
You *need* DRIVPARM, for example, on a Tandy 1000HX. There the BIOS can't
tell DOS that the A drive is a 720K type, so DOS thinks it's 360K, and you
need a DRIVPARM command to correct DOS's misconception of the parameters.
-uso.
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