VAX-11/730 %BOOT-F-Unexpected Machine Check
bqt at update.uu.se
Tue Jun 9 17:30:02 CDT 2015
On 2015-06-09 23:54, Mark J. Blair wrote:
>> On Jun 9, 2015, at 14:43 , Johnny Billquist <bqt at update.uu.se> wrote:
>> Yes, R5 is more or less used the same on all VAXen, since this is used by VMB, which almost all VAXen use in one form or another.
> Thank you very much for the R5 details!
> I presume that the other registers and the VMB.EXE that reads them are probably machine-specific, as I see all sorts of arbitrary-looking numbers stuffed into them depending on which device the ddnBOO.CMD file corresponds to.
It is very bus and controller specific, so it varies extremely much, yes.
Johnny Billquist || "I'm on a bus
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