[Coco] CF Configuration Question

Mark Marlette mmarlette at frontiernet.net
Wed Jun 26 11:10:30 EDT 2013


Very good guess. :)


The controller will let the coco boot when it is ready. Don't remember the calculations ATM, but it is just milliseconds to load.

Target is to have 512Kx8 SRAM for play space and buffers...... :)

Then all of the other **things** it will do.



________________________________
 From: Luis Antoniosi (CoCoDemus) <retrocanada76 at gmail.com>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com> 
Sent: Wednesday, June 26, 2013 10:00 AM
Subject: Re: [Coco] CF Configuration Question
 

Shadow RAM ? whi the BIOS being loaded from a SD card Woohoo!




On Wed, Jun 26, 2013 at 10:57 AM, Mark Marlette
<mmarlette at frontiernet.net>wrote:

> Even though it is more complex on the design side. The goal is to simplify
> the user's side.
>
> I am sure there will have to be some managers written... :)
>
> FLASH could be a thing of the past....... :) Need to prove the design out,
> at least that aspect but...it will be neat.
>
>
>
>
> ________________________________
>  From: Luis Antoniosi (CoCoDemus) <retrocanada76 at gmail.com>
> To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> Sent: Wednesday, June 26, 2013 9:41 AM
> Subject: Re: [Coco] CF Configuration Question
>
>
> Wow i'm waiting for it! :) I could make some software for it too :)
>
>
> On Wed, Jun 26, 2013 at 10:37 AM, Mark Marlette
> <mmarlette at frontiernet.net>wrote:
>
> > Luis,
> >
> > Nice!
> >
> > 127MB not being used would be a new one...always been that way, all the
> > way back to the SCSI days.
> >
> > What is the drive geometry of /dd?
> >
> > /i0 I would believe to be not correct. /dd guy...sorry. if /i0 is used it
> > is for disaster recover and then it will read LSN0.
> >
> > I remember when...not to long ago you were questioning all the finer
> > aspects of the sIDE. I must say, you REALLY understand the platform.
> >
> >
> > With power comes complexity. Nice work on all your tools and
> knowledgeable
> > posts.
> >
> > You ought to see the next gen controller being developed..... Makes the
> > sIDE look like a walk in the park.
> >
> > Too much fun...wish I could do this full time! :)
> >
> > Regards,
> >
> > Mark
> > http://www.cloud9tech.com
> >
> >
> > ________________________________
> >  From: Luis Antoniosi (CoCoDemus) <retrocanada76 at gmail.com>
> > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > Sent: Wednesday, June 26, 2013 9:08 AM
> > Subject: Re: [Coco] CF Configuration Question
> >
> >
> > Mark I noticed you don't use 127MB for OS-9 on your stock CF card.
> >
> > I made a new CF card with:
> >
> > 0) 127mb part. with NitrOS-9 6309 level 2 (dd and i0 pointed to part. 0)
> > 1) 2mb part. with NitrOS-9 6809 level 2 (dd = part1, i0 = part 0)
> > 2) 2mb part. with NitrOS-9 6809 level 1 (coco2b lowercase) (dd = part 2,
> i0
> > = part 0)
> > 3) 2mb part. with NitrOS-9 6809 level 1 (coco1/2) (dd = part 3, i0 = part
> > 0)
> > 4) 2mb part. with OS-9 2.01 level 1 (phoenix) (dd = part4, i0 = part 0)
> > 5) 75mb 256 virtual disks
> > 6) 75mb 256 virtual disks (mod player with 100's of mod music)
> >
> > with the default $052DDC we have the first virtual disk around 165Mb on
> CF
> > card. So there is plenty of space for mutiple OS-9s.
> >
> > With this I can boot in any of my machines just selecting the right boot
> > number, and all the apps and games are visible in /i0 no need to
> duplicate
> > them all. The partition 4 is used for compatibility with old games like
> > sierra coco1/2 adventures. They don't work properly on nitros9.
> >
> >
> >
> >
> >
> >
> > On Wed, Jun 26, 2013 at 9:54 AM, Mark Marlette <
> mmarlette at frontiernet.net
> > >wrote:
> >
> > >
> > >
> > > 64MB is pretty small, HDB-DOS with all 256 drives requires ~75MB IIRC.
> > >
> > > Add a NitrOS-9 partition with a cluster of 1 max'd out, another 127MB.
> > You
> > > can see 256MB is the sweet spot.
> > >
> > > You can go larger. 24 bit LSN supportted.
> > >
> > > Regards,
> > >
> > > Mark
> > > http://www.cloud9tech.com
> > >
> > >
> > >
> > > ________________________________
> > >  From: Gustavo Ranaur Schoenaker <ranaur at ranaur.net>
> > > To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
> > > Sent: Wednesday, June 26, 2013 7:42 AM
> > > Subject: Re: [Coco] CF Configuration Question
> > >
> > >
> > > Hi,
> > >
> > > I`m just starting to play with my superIDE aswell. Why can`t you
> > duplicate
> > > the CF card with DD? WHat is the minimum/maximum CF card size I can
> use?
> > > Can I use a 64MB card (I have one spare at home).
> > >
> > > Happy hacking! :)
> > >
> > > On Tue, Jun 25, 2013 at 10:33 PM, Ed Orbea <ed.orbea at gmail.com> wrote:
> > >
> > > > Since I can't seem to 'duplicate' my Cloud9 CF card using dd for
> > Windows
> > > > or SIDEWalk or Acronis, until I fugure it out (with Mark's help) I
> > > decided
> > > > to try to create brand new CF card.
> > > > My system is a CoCo3, with SuperIDE in slot 1, Orch-90 in slot 2, SSC
> > in
> > > > slot 3, Disto II with HDB-DOS & DW3 in ROM
> > > > I set the MPI selector to slot 4
> > > > Insert a blank 256mg SanDIsk CF in the SuperIDE slot
> > > > Power on the system
> > > > Enter DRIVE OFF to use the physical disks
> > > > Note: I did not use poke &HFF7F,0
> > > >
> > > > Load IDEPROBE.BAS from the utilities disk run it
> > > > It shows:
> > > > logical cyl=980
> > > > logical heads=11
> > > > logical sectors=32
> > > > Total Sectors=501760
> > > > LBA is supported
> > > >
> > > > Then I load WIZARD.BAS from the HDBDOS disk and run 50000 (I do this
> > > > becasue I want to use the programming already done by Mark/Boisy).
> > > > It tells me that I have 339420 sectors available
> > > > Drive capacity is 122.50mb
> > > > HDB capacity is 39.38mb (for 256 virtual disks)
> > > > OS9 capacity is 83.13mb
> > > > An the 'magic number' is &H53200 or 340480 sectore
> > > >
> > > > Then I boot the SuperIDE OS9 Disk and following the information in
> > > > "Installing & Configuring NirtOS9 and HDB-DOS", I use dmode to
> > configure
> > > > /i0 as cyl=be00 sid=7 sct=1 t0s=1 typ=81 and format it
> > > > After I say no (or even yes) to logical and physical format and enter
> > the
> > > > drive name, I get an error 250
> > > >
> > > > What obvious thing am I missing?
> > > > Do I need to locate install the original Disto ROM and configure HDB
> > DOS
> > > > first? I assumes that I would not have to as I have HDBDOS 1.1a in my
> > > FDCC
> > > > and 1.1d in SuperIDE
> > > >
> > > > Thanks
> > > >
> > > >
> > > >
> > > > --
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> > > > Coco at maltedmedia.com
> > > > http://five.pairlist.net/**mailman/listinfo/coco<
> > > http://five.pairlist.net/mailman/listinfo/coco>
> > > >
> > >
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> > >
> >
> >
> >
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> >
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