specifying memory partitions to BTX loader
bsd at bathnetworks.com
Tue Mar 21 17:15:11 UTC 2006
On Tue, 2006-03-21 at 08:50 -0800, Lee Shackelford wrote:
> Good morning dear person at FreeBSD questions. I am trying to install
> FreeBSD 5.3 on a Compaq Proliant 5000 with multiple Pentium Pro processors
> and SMART-SCSI 2/P hardware RAID array. It contains a flash-ROM BIOS. The
> BIOS does not follow the conventions of fixed-ROM BIOSes such as are
> installed on most workstation type computers. According to a message
> posted on a user forum for Fedora Linux, this BIOS divides the 1 gigabyte
> memory into three sections. The loader for Fedora Linux has an option to
> hand enter this information, since the loader does not detect it. The BTX
> loader supplied with FreeBSD 5.3 apparently also fails to correctly detect
> the memory configuration because the attempt to load always fails. It
> fails to write the ports table, and then, if BTX is run in safe mode,
> generates a page fault. How do I hand enter this information into BTX
> loader? If this question has been answered before, I would be satisfied
> just to know where it is posted. Any assistance is appreciated.
I had the same problem you need to do something like:
Choose the "Escape to loader prompt" option, then:
> set hw.physmem="1048576k"
Once you have a working install, add the following line to
Assuming you have 1 GByte of memory.
BTW I have had problems with the SMP kernel under 5.3, 5.4 and 6.0 on
the same machine (Quad processors)and I would be interested in your
experience with it.
Hope this helps
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