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  • From: sindi keesan <keesan AT sdf.lonestar.org>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] BL and older floppy drives
  • Date: Mon, 31 Jan 2005 22:41:51 +0000 (UTC)

On Tue, 1 Feb 2005 3aoo-cvfd AT dea.spamcon.org wrote:

sindi keesan wrote:

I cannot find online fd0d720 only fd0D720

You probably don't need that.
fd0d720 is for 720kb on a 5.25" floppy.
d = double-density 5.25" drive
h = high-density 5.25" drive
u = 3.5" drive (either double or high)

I noticed for the 360 there are different numbers for
d360 and D360

In the old days, d was used for double-density 5.25"
and D for double-density 3.5" drives. But subsequently
the D was dropped and u was used for all 3.5" drives.

but I cannot find a d720.

You probably want /dev/fd0u720

Okay, I will hunt down the numbers for this. I hope this will let me use either 1.44 or 720 in the same drive.


Why does BL use the d and h but not D and H?

D and H were replaced by u.

fd0D360 is 2,12 while d360 is 2,4. Are these different
types of floppy drives?

Yes. D360 is for 360kb on a double-density 3.5" floppy.
I never heard of one of these.

d360 is for 360kb on a double-density 5.25" floppy.

Should I mknod fd0D720 (which is 2,16)?

No.

Steven, could you please include at least the 720 in
future versions of BL2?

There will be no future versions of BL2. Besides, it
is easy to add the Slackware devs.tgz package (which
includes the devices for 720 and 360 floppies).

How about in BL4. I don't want to include hundreds of devices just to get one or two.

you say you are supporting older hardware (which these
disks are

BasicLinux is for 386 systems and above. XT and 286
hardware is not being supported.

But 720K floppy disks work even in pentiums, in the same drives as 1.44's.

Why do you include 1200?

For high-density 5.25" drives. I had one of those
on my system when I did BL1. The devices were then
copied to BL2 and BL3. I should probably remove the
5.25" devices now.

But 486s still have these and they can read (but not write) 360K disks.

I think the 1772 is perfect disks formatted on a
regular 3.5" drive to higher capacity

Yes.

Cheers,
Steven

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keesan AT sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org




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