[Simh] Fwd: 8-inch floppies

[Tim Shoppa]

Edward Berry writes:
> I've been thinking along those lines- Ebay has a couple of of 8-inch drives
> associated with S-100 bus machines, going "as-is" because the seller has
> no way of testing them. Also some intel and IBM drives, from the picture
> the card edge-connector looks somewhat like that on the 51/4 floppy but
> I'm not sure. These go for $100-$400 depending on single or double-sided
> (I'm not sure which the PDP-11 disks were). So if we bought one of those
> and got it to work in an old PC with an ISA bus and floppy-drive card,
> installed linux, figured out the right parameters for /etc/fdprm to read
> the right number of tracks.sectors, dd'd an image off the floppy and
> mounted it on simh pdp-11, we might be able to read it. It would be a
> fun project! but I can see several places where the scheme might go
> wrong

John Wilson's PUTR on a PC will read a RX01 floppy as an image and even decode
a couple of the filesystems, and he also includes a schematic of an
adapter to hook a 8" drive to a 34-pin cable.

But... Won't do the trick if it's RX02!

Tim.