Victor 9000

From: Daniel A. Seagraves <dseagrav_at_bsdserver.tek-star.net>
Date: Thu Jun 19 10:07:06 1997

I snipped blank lines...

On Thu, 19 Jun 1997, Roger Merchberger wrote:

> Due to massive amounts of caffeine & sleep deprivation, A.R. Duell said:
> [snip]
> >The disk turns at a constant speed. What changes is the speed of the data
> >clock. The bits are sent faster for the outside tracks, so it can fit more
> >sectors on said tracks.
> >I never really saw the point of variable-speed drives. Changing the data
> >clock is a lot easier, and probably faster (getting the spindle
> >up-to-speed and locked at that speed takes considerable time).
> >> That's how it gets 21 sectors on tracks 1 to 17, 20 sectors on tracks 18
> >> to 24, 18 sectors on tracks 24 to 30, and 17 sectors on tracks 31 to 35.
> >> AFAIK, all PET-era CBM drives do this, and the 1540 and 1541 drives do as
> >> well.
> >> Doug Spence
> >> ds_spenc_at_alcor.concordia.ca
> >-tony
> >ard12_at_eng.cam.ac.uk
                
> Righto, Tony! There are programs that you can get for IBM PC's that do this
> and you can store 1.8Megs on a 1.44Meg drive!
> (Didn't the Apple and Amiga do this with there 800K and 880K drives,
> respectively?)

With Linux (Or any Unix) I can get 2.0 meg on a 1.44 meg floppy. Those
disks are actually 2.0 meg, with .66 meg taken up by the filesystem. By
using the disk as a raw device, I can get tar to put 2 meg on a disk.
Received on Thu Jun 19 1997 - 10:07:06 BST