[Coco] SCSI Bus Trivia

Bruce W. Calkins brucecalkins at bellsouth.net
Sun Mar 5 12:09:20 EST 2006


> Yeah, but you have to keep at least one wheel turning over at the hydro
> plant to power them, Bruce.
LOL, Almost as bad as my train set before the CoCo.

>  I took the easy way out & moved one of the
> 1GB Seagate Hawks I had in my amiga to the coco
Yup, I've got a trio of 540  Meg SCSI pulls in storage along with a pair of
2 Gig units.

> 159 Megs?  Those would need to be formatted at 2 sectors per cluster as
> its about 28 megs over the 1 sector size limit.
512 disk equivalents in two partitions each under RGB-DOS, with almost 80
megs left for OS-9, , , each.  (Normally I use one as a backup/duplicate of
the working drive.  Occasionally I DSAVE from one to the other and back to
defrag.)  I can't quote the specifications but somehow RGB-DOS uses both
halves of the 512k sector on these old drives.  Somewhere along the way we
seem to slipped into using only half of the sector.  With the bigger
capacities just made sense to skip over the issue.

Bruce W.




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