Disk-On-Chip 2000 and Linux

Jason Gunthorpe jgg at deltatee.com
Mon Jul 5 16:05:16 EDT 1999

On Mon, 5 Jul 1999, David Woodhouse wrote:

> jgg at deltatee.com said:
> >  Have you had any contact with Datalight about their TrueFFS stuff? I
> > hear that windows CE will use FAT on TrueFFS and I belive that my
> > Octagon board's 'CardTrick' bios does the same. It would round things
> > out nicely to have support for that as well.
> As far as I know, Datalight's ROM-DOS doesn't support the chips at all; it just
> uses the INT 13h functionality provided by the Disk-On-Chip onboard BIOS
> extensions. I don't know about the CardTrick BIOS, but I expect that it just 
> uses M-Systems' code. 

I was unclear :> The physical device is just an ordinary AMD flash chip
with a paginging mechanism. They are using a filesystem on it called
TrueFFS (which sounds to me like a take off on FTL). The CardTrick bios
seems to provide int 13 services using this TrueFFS to fake a hard drive.


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