From: Raymond Jett (rajett@xxxxxxxxx)
Date: Fri Jul 19 2002 - 15:50:15 GMT-3
The only way to fix it is to pull out the double-sided flash simm and
replace it with a single sided flash simm.
Raymond
-----Original Message-----
From: Bhisham Bajaj [mailto:bhishambajaj@yahoo.com]
Sent: Friday, July 19, 2002 1:47 PM
To: rajett@cisco.com; ccielab@groupstudy.com
Subject: RE: invalid checksum
thankx buddy
this is what my show flash all shows
can u tell me how to make this work i have 16sa & 8sa
R1(boot)#show flash all
System flash directory:
No files in System flash
[0 bytes used, 16777216 available, 16777216 total]
16384K bytes of processor board System flash
(Read/Write)
Chip Bank Code Size Name
1 1 89A0 2048KB INTEL 28F016SA
2 1 89A0 2048KB INTEL 28F016SA
3 1 89A0 2048KB INTEL 28F016SA
4 1 89A0 2048KB INTEL 28F016SA
1 2 89A2 1024KB INTEL 28F008SA
2 2 89A2 1024KB INTEL 28F008SA
3 2 89A2 1024KB INTEL 28F008SA
4 2 89A2 1024KB INTEL 28F008SA
1 3 89A2 1024KB INTEL 28F008SA
2 3 89A2 1024KB INTEL 28F008SA
3 3 89A2 1024KB INTEL 28F008SA
4 3 89A2 1024KB INTEL 28F008SA
Reg
Bhisham
--- Raymond Jett <rajett@cisco.com> wrote:
> Sounds like you put in a double-sided 8Mb flash
> simm...
>
> 2500 series routers will NOT support double-sided
> 8Mb flash simms.
>
> It will show the 16Mb of flash, but when it goes to
> write to the simm, it
> will write to the first bank of 4Mb, then will
> overwrite the first bank
> again, rather than write to the 2nd bank of 4Mb...
>
> Do a 'sho flash all' and make sure that all of the
> chips are of type
> '29f016' (or at least end with 016)... if they show
> up as ending in 08, then
> you have a double-sided 8Mb simm.
>
> Raymond
>
> -----Original Message-----
> From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> Bhisham Bajaj
> Sent: Friday, July 19, 2002 1:19 PM
> To: ccielab@groupstudy.com
> Subject: invalid checksum
>
>
> I have a 2509 router with 8mb flash
> So to run the 12.1 ios I got another 8 MB flash
>
>
> Now my router has 16mb (8+8)
>
> I have downloaded a ios c2500-js-l.121-2.T.bin
> Release -------------------12.1
> Description-------------- ENTERPRISE PLUS
> Size ----------------------14553920
> BSD Checksum-------- 59411
> Router Checksum------ 0x8da5
> MD5
>
----------------------c792d6e494e863ca2ba97438cdf90b9c
>
> Date Published: ----------22-MAY-2000
>
> Now when I put this file in my router it shows that
> the file size is the same as what is on cisco site
> But it gives me a invalid checksum
>
> I was just thinking has this got to do any thing
> with
> having two flash chips (8+8)
>
> I have not made any partition and other ios do not
> give me this problem but the other ios is just 7 Mb
>
>
>
>
>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !!!!
>
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
> !!!!
> !!!!!!!!!!!!!!!!!!!!!!!!!!!
> [OK - 14553920/16777216 bytes]
>
> Verifying checksum... invalid (expected 0x8DA5,
> computed 0x1402)
> Flash copy took 0:09:35 [hh:mm:ss]
> R1(boot)#sh flash
>
> System flash directory:
> File Length Name/status
> 1 14553920 c2500-js-l.121-2.T.bin [invalid
> checksum]
> [14553984 bytes used, 2223232 available, 16777216
> total]
> 16384K bytes of processor board System flash
> (Read/Write)
>
>
This archive was generated by hypermail 2.1.4 : Sat Sep 07 2002 - 19:36:36 GMT-3