run at your own risk!!!

before formware upgrade, be sure the necessary to do that,
once the firmware failed or new version upgraded, there is
few chance to save it back by yourself.

## RUN AT YOUR OWN RISK !! ##
Icon  Name                    Last modified      Size  Description
[DIR] Parent Directory - [TXT] asr-8400.dlf 21-Jul-2003 15:05 1.5M [TXT] header.txt 09-Sep-2003 14:43 214 [TXT] readme.txt 09-Sep-2003 14:47 155 [   ] rto_r7_o.bin 07-Nov-2003 16:12 896K [DIR] rw/ 09-Aug-2004 11:29 - [DIR] ti/ 09-Aug-2004 11:29 - [DIR] topic/ 09-Aug-2004 11:29 - [   ] wbr-2200-4x.bin 17-Jul-2003 14:30 896K [   ] wbr_2200.bin 17-Jul-2003 14:30 896K [   ] wlb-acp-4x.bin 21-Jul-2003 15:36 960K [   ] wlb_acp_.bin 21-Jul-2003 15:36 960K
the latest firmware for ASR-8X00 is 10s.

FYR(for your reference?):
http://www.origo2000.com/faqeng/

this may helps on ADSL router upgrade information.