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FDINT.TXT
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1989-02-12
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The tbl*.com programs are for people with disks that have parameters not
included in their PC's BIOS. So, if you can choose a parameter that
will at least let you boot up, you can use one of these programs to generate
a program that tailors thing exactly.
For example, type 4 of the standard BIOS is a disk with 8 heads, 940 cylinders,
and write precomp starting at cyl 512. If you have a disk with 1024 cylinders,
8 heads and no write precomp (like the Maxtor 1085), you can tell the BIOS
it's a type 4. You run the fdins or fdintins program once, giving the
correct parameters. They generate fdtbl1.com or fdtblin1.com, respectively.
Either of these latter programs suffices to tell DOS the *real* disk
parameters. Why two programs? One program is a normal TSR, so it uses some
DOS memory. The other uses 4 adjacent (configurable) interrupt vectors in
low memory to hold the table -- no DOS memory. I prefer the latter approach,
but, it depends whether you have interrupts to spare or not.