[Coco] partial OS9 boot from hard drive (back on topic)

Robert Gault robert.gault at worldnet.att.net
Sun Aug 28 22:45:34 EDT 2005


Vern,

Could you email me copies of your cc3go, init, and dd as set for a hard
drive boot? I'd like to take a look at them with dEd.

By the way, is there a startup file on the hard drive? If there is, try
renaming it to something else and retest the hard drive boot.

Vern Burke wrote:

> Ok, I think this has gotten complicated enough to confuse what I've

> tried, here's a synopsis of what has worked, what hasn't, and what I've

> done:

>

> Initial configuration that works:

>

> /dd is the floppy descriptor, /h0 is the hard drive descriptor. Init and

> cc3go are patched to change references to /d0 to /dd. Cc3go is in the

> floppy root, shell and grfdrv are in the floppy cmds. This boot works

> and finishes up with working directory set to /dd and execution set to

> /dd/cmds.

>

> What doesn't work:

>

> Start with above configuration. Edit with ezgen, rename /dd descriptor

> (floppy) to /fd. Rename /h0 descriptor to /dd. End result is that /dd is

> now the hard drive. Copy cc3go from the floppy root to the hard drive

> root, copy shell and grfdrv from floppy cmds to hard drive cmds. When

> this configuration is booted, it gets to OS9 BOOT, accesses the hard

> drive, then crashes the machine with garbled display.

>

> The os9boot ident I gave you is the config that DOESN'T work, /dd in

> that list points to the hard drive.

>

> Vern

>

>

> Robert Gault wrote:

>

>> If true, it is a problem. The floppy /dd will point to cc3disk while a

>> hard drive /dd will point to TCC512 (in your case.) As has been said,

>> take /H0 (with I don't see in your os9boot list) and change it to /dd.

>> Then replace the floppy /dd with the new hard drive /dd.

>>

>> What does hd and fd stand for in your os9boot list? If hd is the

>> equivalent of dd for a hard drive and fd is the equivalent of dd for a

>> floppy, then you will need to change cc3go and init to point to hd and

>> not dd.

>>

>> Vern Burke wrote:

>>

>>> Robert:

>>> These are the exact same descriptors that work fine with /dd as

>>> the floppy. I changed the names by doing a rename with ezgen.

>>>

>>> Vern

>>> <snip>

>>

>>

>>

>




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