I've upgraded probably 20 or 30 Cisco 2500's & the only spec's I've ever
used to order RAM are: 16Meg/ 72Pin/ 60ns/ Parity. I've found most the
older models work fine on 70ns also. Please keep in mind I'm not a memory
ordering expert, it's just that this has always worked for me.
All the Best !!!
Phil
----- Original Message -----
From: Thomas
To:
Sent: Tuesday, May 29, 2001 8:50 PM
Subject: Re: Ram in 2500 series [7:6187]
> I just plugged in the Fast Page Mode, 72-pin with true parity and 60ns
16Mb
> of memory module. The router could not load the IOS at all. So I think
the
> speed of the memory is different. I checked Crucial.com and found out
that
> the memory for 2500 series is using 72-pin Fast page mode with parity.
>
> So according to my memory, the speed of the memory does matter. I just
> don't know what is the correct speed? Mine are 60ns and it doesn't work.
> Someone knows the specs for this? Thanks!
>
>
>
> ""Eugene Nine"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Not any memory, but memory that meets all the specs. I don't know for
> sure
> > what all the specs are (someone told me it was parity memory). The 2500
> wil
> > do max of 16M. I dug through my parts box and started plugging in
memory
> > untill I found a 16M that worked. It makes sense that Cisco wouldn't
take
> > the time and money to design some memory when there are standards in
place
> > and all they have to do is look through a book and pick a standard type.
> So
> > moust routers will take some kind of standard (as well as most other
> > hardware, for example HP printers). The one thing though I would only
> want
> > to try it in a lab not a production environment where you may need to
call
> > Cisco for support.
> > Eugene
> >
> > ""Larry trav"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Newbie question,
> > >
> > > Re: 2500 series routers
> > >
> > > Is it true that any 72 pin DRAM Simm (eg.16mb) will work in these
> routers
> > > for the primary memory? Does it matter about the speed of the ram
> > (60ns/70ns)?
> > > What is the largest size of ram that the router will take and still
> > deliver
> > > a speed benefit? Assuming a current IOS is about 8 mb, how much more
ram
> > > room do you need for routing tables, cache etc.?
> > > Does the amount of shared memory limit the speed of switching and is
> that
> > > upgradeable?
> > > Is this also true for the next level of routers, the 2600s?
> > >
> > > Thanks
> > > FAQ, list archives, and subscription info:
> > http://www.groupstudy.com/list/cisco.html
> > > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
> > Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
> FAQ, list archives, and subscription info:
http://www.groupstudy.com/list/cisco.html
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