Cisco Systems What are the two parts of memory mean, please?

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Subject Author Date
What are the two parts of memory mean, please? worldwidestar 05-16-07
Posted by on May 16, 2007, 8:24 pm
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Hello.
The output "show version" of command includes a line about the system
memory amount. The format looks like "12345 K / 123 K".
I know the total size of memory consists of the two numbers on both
sides, but what are represented by them respectively, please?
Thank you.


Posted by Walter Roberson on May 16, 2007, 11:02 pm
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>The output "show version" of command includes a line about the system
>memory amount. The format looks like "12345 K / 123 K".
>I know the total size of memory consists of the two numbers on both
>sides, but what are represented by them respectively, please?

RAM and flash.


Posted by Doug McIntyre on May 17, 2007, 3:03 am
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roberson@hushmail.com (Walter Roberson) writes:
>>The output "show version" of command includes a line about the system
>>memory amount. The format looks like "12345 K / 123 K".
>>I know the total size of memory consists of the two numbers on both
>>sides, but what are represented by them respectively, please?

>RAM and flash.


Not true.

Its main memory and I/O buffer memory.
You can change the split with the 'memory-size iomem xx' command on
the platforms that have unified memory and I/O memory. More of the
higher-end platforms tend to split them off to different SIMMs
altogether, so you can't change the split on them.

Flash is shown on a different line.


Posted by on May 17, 2007, 9:22 am
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On 5=D4=C217=C8=D5, =C9=CF=CE=E711=CA=B102=B7=D6, rober...@hushmail.com (Wa=
lter Roberson) wrote:
>
> >The output "show version" of command includes a line about the system
> >memory amount. The format looks like "12345 K / 123 K".
> >I know the total size of memory consists of the two numbers on both
> >sides, but what are represented by them respectively, please?
>
> RAM and flash.

Hello, Mr.Roberson.

For example,
.=2E. ...
Cisco 2621 (MPC860) processor (revision 0x101) with 27648K/5120K bytes
of memory
.=2E. ...

I don't think the 5120K is the size of flash.
I know the total size of RAM is 27648K + 5120K =3D 32768K, but I have no
idea about what the 27648K and 5120K mean.
It seems that the whole RAM is divided into two parts for different
use.


Posted by on May 17, 2007, 8:44 pm
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I understand now, thank everbody!


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