[Simh] Dep bdr 0 doesn't cause autoboot

[A.Bucher at alcatel.de]

Hi, 

-----

Trying to debug my previous problem, 
I changed my memory size to 64MB. 
My paging problem on the real system (i.e.) xp went away, but the VAX wont 
autoboot… 
Change the memory size back to 128MB & it autoboots again… 
Am I missing something ?? (it wont autoboot at 32 MB either) 
Villy
----- 
Just tried the same on my installation:
Normally, I run vax.exe V3.3-1 with 256M, and no matter which mem size I 
set, the dep bdr 0 causes to auto-boot. (tried 32, 64, 128, 256).
But, with V3.6-1, setting any mem size of 64M or below, autoboot doesn't 
work. If you go to 128M and above, it works fine.
There was a switch SET CPU EXTEND in V3.3-1 to also change some behaviour 
if you are in standard (<=64M) or extended (>=128M) memory mode, but it 
seems that this one was dropped in a later version (V3.5-x ?). 
I tried some other settings, and here is the trick:
For memory sizes of 64M and below, you should use 
> load -r KA655.BIN
If you go to 128M and above, issue
> load -r KA655x.BIN
and it will boot !
Why ? Don't know, check the sources ... :-)
Hope this helps...
Andreas

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