YFNX does not work on my 41CL
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09-17-2019, 08:18 PM
Post: #6
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RE: YFNX does not work on my 41CL
Some further input on this. I can actually plug in YFNX, provided the MLDL2000 is not attached. It turns out that if I plug in any YFN* module and enable the MMU the calculator will freeze (when the MLDL2000 is attached).
I have two modules in the MLDL2000 located in port address A and B. I assume PLUG1L would put the YFNZ/P/X in page address 8. I want to move it away from page 7 (the default) as I need to use the HP-IL module to download OS images. The reason to use the MLDL2000 is that it holds a module with an MCODE function to download 16-bit page images over HP-IL to the 41CL RAM. MLDL2000 straps indicate that it is enabled, strapped for SR from SRAM. I have carefully checked MKDL2000 Manager software that only page A and B are enabled and it looks good in CAT 2 on both a halfnut and the 41CL (with no MMU enabled). |
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