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JEMM386 v5.81 hangs (Users)

posted by Japheth Homepage, Germany (South), 04.05.2022, 10:34

> In my opinion, this is because JEMM386 does not check whether memory size
> is equal to the XBDA segment:
> MemW[$413] shl 6 = MemW[$40E]
> If not, he should refrain from moving the XBDA.
In my opinion it is because AHCI expects some alignment of its structures which Jemm cannot easily guarantee, especially if it moves itself into an UMB first.

You may try UMBPCI & UMBM, umbm.exe has got an /xbda option - it's "better" aligned, because umbm doesn't have to "move itself" ( although I've forgotten the details ).

Or perhaps try jemm with option NOHI!

Btw, what is the status of the "dark debugger"? Is that something that you created - or at least are involved with? I find it a very interesting project.

---
MS-DOS forever!

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