[rescue] Sun Ultra 60 > 2 Gb Memory ?

[Ethan Hawke]

The DSC (Memory Controller in the U2) can only address up to 2GB of 
total memory, I would guess that 256MB SIMMs would be treated as 128MB 
as the extra addressing pins would probably be grounded.

Cheers,
Ethan

On 5/7/22 04:22, Mark M wrote:
> There were 256MB Dimms of that type (200pin), but were only ever 
> certified for U80 and E450s.
>
> The handbook memory compatibility matrix actually notes that they do 
> work in e60s but there's an obp bank limit of .5G.
>
> All that said, I've never tried, but would, if my machines weren't in 
> storage at the moment.
>
> -mark
>
> On Fri, May 6, 2022 at 1:51 PM Chris Quayle <syseng at gfsys.co.uk> wrote:
>
>     Hi,
>
>     I'm working on a Sun a Netra T1125 for a project, Ultra 60 m/b.
>     It's running FreeBSD Sparc 11 rel, packages built, including
>     vnc server and more. It has 16 x 128MB, 2GB, but running zfs,
>     could really do with some more. Were there any 256Mb simms
>     made that will fit this machine and if so, would 4mB total work,
>     supported or not. Has anyone tried this ?...
>
>     Thanks,
>
>     Chris
>
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