[Coco] CF Configuration Question

[Mark Marlette]

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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