cisco PIX Firewall flash Upgrade

I am trying to upgrade a pix from 6.1(3) to 804.0 using a tftp server
when I try to download the bin file to the pix it says ther is no space. So I guess I need to make space. But I do not know the file name to delete. when I do "show flash " I get :
PIX-1# sho flash
flash file system:  version:2  magic:0x12345679
  file 0: origin:       0 length:2474040
  file 1: origin: 2490368 length:15967
  file 2: origin:       0 length:0
  file 3: origin: 2621440 length:3528136
  file 4: origin:16646144 length:280

So the question is how do I backup the current flash version to a tftp serve and how do I delete the current flash to make room for the new flash without knowing the file name ?

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do as sh ver
it will show output like this:  system image file disk0:/asa821-k8.bin
also do a dir flash:
it should show the files in flash
or a dir disk0:/

to delete the file once you know the name:

del  asa821-k8.bin  (for example only)

enclosed is a good doc for the common file management commands

to backup:
copy flash tftp  
the pix will ask you the filename to backup


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pcarronAuthor Commented:
below is the result fron sho ver, I cannot see any .bin files displayed ?
the dir command does not seem to work. I also tried the cd command and sho flashfs command

IRPDC-PIX-1# sho ver

Cisco PIX Firewall Version 6.1(3)
Cisco PIX Device Manager Version 1.1(2)

Compiled on Fri 22-Feb-02 08:15 by morlee

PIX-1 up 1 day 11 hours

Hardware:   PIX-515E, 64 MB RAM, CPU Pentium II 431 MHz
Flash E28F128J3 @ 0x300, 16MB
BIOS Flash AM29F400B @ 0xfffd8000, 32KB

Encryption hardware device : IRE2141 with 2048KB, HW:1.0, CGXROM:1.9, FW:6.5
0: ethernet0: address is 0009.b789.8e9c, irq 10
1: ethernet1: address is 0009.b789.8e9d, irq 11
2: ethernet2: address is 0002.b3ad.86d9, irq 5

Licensed Features:
Failover:       Enabled
VPN-DES:        Enabled
VPN-3DES:       Disabled
Maximum Interfaces:     6
Cut-through Proxy:      Enabled
Guards:         Enabled
Websense:       Enabled
Inside Hosts:   Unlimited
Throughput:     Unlimited
ISAKMP peers:   Unlimited

Serial Number: 806302289 (0x300f3251)
Activation Key: 0xb10f64b9 0xe646c99e 0xe2dc3a19 0xa131a6b3

I am unable to determine if the firewall you are running is using a restricted or an unrestricted license based upon your show version.

You should read the release notes
Guide for Cisco PIX 6.2 and 6.3 Users Upgrading to Cisco PIX Software Version 7.0: before trying to upgrade.
Also if you have an unrestricted license on the platform you will need to upgrade your memory from 64MB to 128MB.

for deleting the .bin file you can always try del *.bin and then tftp up the new file. I would not powercycle it until it is up there. you might be able to free up enough roum by getting rid of the pdm because that is significantly old enough to require unavailable versions of java to run.

the files should be called pix613.bin and pdm-112.bin respectiviely.

hope this helps,

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