Does the memory have to be the FPM (Fast Page Mode) or It can be EDO... ???
I assume it is the old type FPM....
""Circusnuts"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> 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
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> > FAQ, list archives, and subscription info:
> http://www.groupstudy.com/list/cisco.html
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