[j-nsp] m10 RE-2 memory upgrade troubles

[Jonas Frey]

David,

could you give us the part numbers of the kingstom ram you purchased?
Regarding upgrading ram: some people have done it successfully and
documentated it somewhat at juniper.cluepon.net.

Anyway first thing i'd do is getting 3 completly equal type/size ram
sticks and use them. I would never use different ram sorts (even if they
are the same size). Not in a normal PC and not on a RE.


Regards,
Jonas Frey


On Fri, 2007-03-09 at 10:45, David Ball wrote:
>    I have an M10 (note: not an M10i) with a single RE-2 routing engine
> which is hitting its head on memory (256MB).  I decided to take a
> chance and purchase 2 more 256MB ECC low-profile DIMMS (Kingston
> memory...I know, I know) in hopes of replacing the single that is in
> there (which came with the router).
>    The router booted, but only showed that it had 256MB instead of the
> expected 512MB.  It also mentioned that it was non-ECC, but this was
> resolved by placing the DIMMS in slots 1 and 2, and leaving 3 blank.
> (as per a posting I read earlier tonight, but which I can no longer
> find).  The memory then showed as being ECC w/hw something-or-other
> (which is desired).
>   Anyhow, I couldn't for the life of me get it to believe it had
> 512MB.  Even tried adding the original DIMM (to give it 768 and occupy
> all DIMM slots) but it wouldn't even boot, as somewhat expected.
>   Aside from "you should only use Juniper RAM" and "you should upgrade
> your routing engine", does anyone have any ideas or direction?  Would
> a BIOS upgrade help at all?  This is simply a band-aid fix until our
> T640 network is deployed at which point we can retire the m10s, but
> for now, we need em.  The RE-2 is no longer supported by Juniper,
> hence my asking you good folks.
>   Thanks in advance.
> 
> David
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