Re: 43p: Install kernel boots, generic not

[T <bobs%thelibertytree.org@localhost>]

On 6/13/21 11:33 AM, Ulrich Teichert wrote:
> Hi,
>
> [deleted the reference to my old post from 2019 on this mailing list
> about the ~2MB limit of the firmware bootloader on the 43p]
> > Hello, I was re-reading this thread and found the data manuals for the
> > integrated SCSI controllers in at least two of the PReP machines.
> > 7248-(100,120,132) uses this one:
> > https://archive.org/details/
> > bitsavers_ncrsymbiosSCSIIOProcessorDataManualMay1993_9687379/page/n7/mode/
> > 1up
> > 7043-140 uses this one:
> > https://archive.org/details/bitsavers_ncrsymbiosaManualVersion3.0_1214361
>
> Thanks! That will give me two options how to get around that dreaded
> firmware limit:
>
> - get kloader working on prep
> - get the SCSI controller working in the existing NetBSD bootloader of prep
>
> I wanted to work on that when having my next vacation in July, anyone
> has an idea what might be the more appropiate method? I'm happy
> to accept advice, even if it's only gut feeling. I mean, there are more
> prep machines than just the 43p, so my first route would be kloader,
> because that way I wouldn't have to bother about the next controller
> driver in the bootloader....
>
> CU,
> Uli

Hello,
have you tried installing a PCI graphics card into the 43-140 and using 
the non-com version of sysinst.fs? In my testing, I only had the siop 
problem at boot when using the serial port.
-Tim