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Ultimate 1 MB Use/Configuration Questions

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Didn't find a thread for this, so here is a place to ask questions and provide solutions about configuration issues with the Ultimate.

 

Here is my first:

 

I thought that the purpose of 4 Basic/Car slots was to be able to choose between 4 different carts?  I flashed the AsmEd cart into CAR1 slot (leaving Basic undisturbed).  I used FJC's UFLASH tool under Sparta to update that slot.  But even if I select the AsmEd slot, Basic still comes up.  Any thoughts about this?  (BTW, I did re-flash the QMEG OS slot with Omnimon, and that works fine.)

 

I also presume that the Missile Command slot is not usable for anything on a regular XL/XE?

 

I also noticed that if the IDE+2 is set to UltraSpeed ON, and the High-Speed OS is chosen, MyDos cannot find DUP.SYS.  No big deal -- one or the other has to be disabled, and then it works fine.

 

Last (for now!) -- what does the diagnostic rom slot do?  When I activate the Diag. OS, it puts up three lines of ram info and makes a nice soft buzzing sound.  Does it do anything else?  Is there any problem with flashing that slot with something else, or not advisable?

 

-Larry 

Attached Thumbnails

  • Ultimate Diag.jpg

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