[Coco] Discrepancy between HDBLBA.ROM and the /I0, /I1, /IH device Descriptors

Kip Koon computerdoc at sc.rr.com
Fri Aug 15 23:33:46 EDT 2014


Hi Retro Canada!
Good Question.  Yes the jumper is strapped to 50 for the $FF50 rom and 70
for the $FF70 rom.  Each time I changed the eprom, I also changed the jumper
on the Glenside IDE Controller.  Still does not see the CF Card in the "50"
mode. Thanks for asking.

Kip Koon
computerdoc at sc.rr.com
http://www.cocopedia.com/wiki/index.php/Kip_Koon
http://computerpcdoc.com/


-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Retro Canada
Sent: Friday, August 15, 2014 11:13 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] Discrepancy between HDBLBA.ROM and the /I0, /I1, /IH
device Descriptors

what about the jumper on your card? it must match the rom and descriptors
address. this is not a soft but a hard setting

On Aug 15, 2014, at 10:33 PM, "Kip Koon" <computerdoc at sc.rr.com> wrote:

Hi NitrOS-9 Experts!

Here is my problem.  I have HDBLBA.ROM running on my Glenside IDE Controller
at the address $FF70.  The /I0, /I1 and /IH device descriptors have
HPA=FF50.  I have patched the rom image at $D93C from $70 to $50 to match
the descriptors, but the rom never sees my CF Card.  I've also tried
changing HPA to $70 in /I0 and /I1 with the Glenside IDE Controller at $FF70
to see if NitrOS-9 would see my CF Card.  In other words, I've tried the rom
and /I0 and /I1 at $FF50 together and at $FF70 together.  The Glenside IDE
Controller only works at $FF70 in the ROM and NItrOS-9 does not work at
either $FF50 nor $FF70.  Is there something I'm missing?  What else should I
check?  Thanks in advance you guys.  Take care my friends.



Kip Koon

<mailto:computerdoc at sc.rr.com> computerdoc at sc.rr.com

<http://www.cocopedia.com/wiki/index.php/Kip_Koon>
http://www.cocopedia.com/wiki/index.php/Kip_Koon

<http://computerpcdoc.com/> http://computerpcdoc.com/






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