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HP-41CY re-initialization ROM
12-26-2019, 12:42 AM
Post: #42
RE: HP-41CY re-initialization ROM
(12-25-2019 09:21 PM)J-F Garnier Wrote:  Bravo !
Merci! Smile

(12-25-2019 09:21 PM)J-F Garnier Wrote:  Look for "41CY" on the TOS :-)
I had looked and found the German version of the 41CY manual but not the English version.
Anyway, I did an OCR scan of the manual and with the help of Google Translate, I was able to get the information that I needed.

(12-25-2019 09:21 PM)J-F Garnier Wrote:  If you do PG<> then you should see -RAMBOX 64a , at least it is how it works in Emu41 :-)
After reading the manual translation, I tried the functions (PG<>, PG10, PG01) to switch the banks.
The result was that CAT2 stopped working correctly.
After that, I tried a Memory Lost and asked the 41CY to clear its QROM, but to no avail.
So, I will need to follow J├╝rgen procedures to reinstall the whole thing correctly.

I am still searching how to disable QROM pages with the 41CY like it is possible with the RAMBOX & RAMBOX II.
If not, i will experiment with physical modules to see how the system behaves. (bus contention, etc)

Sylvain
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Messages In This Thread
RE: HP-41CY re-initialization ROM - PeterP - 11-03-2019, 06:19 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-04-2019, 03:48 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-06-2019, 03:36 PM
RE: HP-41CY re-initialization ROM - CY-CL - 10-27-2019, 04:16 PM
RE: HP-41CY re-initialization ROM - hth - 11-03-2019, 05:59 PM
RE: HP-41CY re-initialization ROM - hth - 11-03-2019, 08:32 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-06-2019, 03:39 PM
RE: HP-41CY re-initialization ROM - hth - 11-06-2019, 07:45 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-06-2019, 07:45 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-09-2019, 08:21 PM
RE: HP-41CY re-initialization ROM - PeterP - 11-09-2019, 08:19 PM
RE: HP-41CY re-initialization ROM - Sylvain Cote - 12-26-2019 12:42 AM
RE: HP-41CY re-initialization ROM - CY-CL - 12-27-2019, 07:32 PM



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