I suspect it may be 32Bit computer but it should give you a i386 hardware
error during installation.
while 18.04 is only 64 bit you can use the net install at
http://cdimage.ubuntu.com/netboot/bionic/
it has a community supported 32 bit version available

On Mon, Dec 9, 2019 at 12:24 PM Stephen Partington <cryptworks@gmail.com>
wrote:

> I have an older Proliant server I am trying to make use of at home. The
> hardware is fully functional, and aside from needing some spare drive
> sleds, It is ready to go.
>
> However, I cannot run 18.04 on the server and I suspect it is related to
> changes in the kernel and I am trying to map those.
>
> The Architecture is Dual Opteron quad-core Processors and DDR2 ECC
> Registered memory. I think it is a DL 365 Gen 1 (would have to look to make
> sure)
>
> Does anyone have thoughts on how I could gracefully get this hardware to a
> current kernel?
>
> --
> A mouse trap, placed on top of your alarm clock, will prevent you from
> rolling over and going back to sleep after you hit the snooze button.
>
> Stephen
>
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