[Coco] Updated KenTon SCSI drivers for OS-9?

Bob Devries bdevries at gil.com.au
Wed Sep 15 19:28:20 EDT 2004


Al said:
> Bob, what do you mean by "disconnect/reconnect"?

That is a bus phase, where the disk drive is disconnected from the SCSI bus
in the middle of a transaction, and is later re-connected to continue. I
dunno if the coco SCSI systems use it, though.
Boisy, you got a comment on that?
--
Regards, Bob Devries. Dalby, Queensland, Australia.
Faith isn't faith until it's all you're holding on to.
http://e4god.com/freeblogs/bdevries/


----- Original Message ----- 
From: <alsplace at pobox.com>
To: <coco at maltedmedia.com>
Sent: Thursday, September 16, 2004 1:41 AM
Subject: Re: [Coco] Updated KenTon SCSI drivers for OS-9?


> Bob, what do you mean by "disconnect/reconnect"?
>
> I keep suspecting it is a conflict from SCSISYS and whatever IDE driver
> I try to use (Glenside, or now SuperDrivers).  I recall SCSISYS had
> some cache thing with an 8K block that got banked in and out, but it
> seems it would either always work, or always fail if that were the case.
>
> Also, if I boot from the SuperDrivers disk then load the Kenton stuff
> (SCSISYS and k0, my descriptor -- Kenton drive 0), it works.  But if I
> boot from the NitrOS9 image Mark put on my hard drive and load the
> SCSI, it hangs.  So it's got to be a simple combination of modules.
>
> Now, if I could just do this the correct way -- build a proper boot
> using the provided scripts -- maybe I'd be in better shape, but I
> modified a bootlist that included the SuperDrivers and removed the SCSI
> stuff there I did not need (Sx descriptors, lltc3 sub-driver) and added
> the scsisys and k0, and it also did not work.
>
> So it's got to be something about how those drivers use memory.  The
> weird thing is, it may work -- copying files happily for HOURS -- 
> before it hangs.
>
> I will be trying to get the unsupported, non-tested, "might work but if
> your drive dies it's your fault" KenTon driver from Boisy and see if
> that fixes me up.  ELse I'll write my own -- Boisy's driver module
> makes even me look at it and say "hey, I could write a hard disk
> driver!" :-)
>
>      -- ALlen
>
>
> -- 
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> Coco at maltedmedia.com
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>





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