There are many questions on what the 604wifi is running and how that software is configured or possibly extended (some people call this hacking). Maybe this thread could gather the information so

a) other threads like the wikipedia thread don't get cluttered
b) some other questions are answered by this one

with this in mind, I'll start listing some information. Please add as many pieces as you see fit as the collective wisdom may bring information not held by others.
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The Opera Browser, by using the "about:" command, shows a great deal about the device. In particular, you can see:

The device appears to be running an ARM Version 5 processor
The device runs Montavista Linux Version 4.02
This linux is based on the Linux 2.6.10 kernel
The Opera Version is Version 1.3.3 Build 508
Web ID string is
"Mozilla/4.0 (compatible; MSIE 6.0; GOGI; Linux armv5tejl) Opera 8.5 [(null)]
An article that supports this in general is at http://linuxdevices.com/news/NS7079516466.html

File system information:

On a 102MB linux EXT3 partition on the drive: /mnt/system/ - main system files

etc <directory>
lost+found <directory>
opera_home <directory> /mnt/system/opera_home/ - Opera directory
/mnt/system/opera_home/opera.ini - Opera preference file
/mnt/system/opera_home/cache4/ - Opera browser cache
dc.dat 6KB
opts.cramfs.secure 15MB
rootfs.cramfs.secure 8MB - Linux cramfs ROM image file system
sst.dat 132KB

On a 27.8GB FAT32 partition on the drive:
/mnt/data/ - "root" directory for the ARClibrary (see System/System.bin in Notepad)
/mnt/data/Albums
/mnt/data/Data
/mnt/data/Downloads etc.
/mnt/data/System - System directory which is not visible from ARClib but is in USB hard disk mode - contains background images and config files
/mnt/data/System/msg - system messages in PNG graphics format
/mnt/data/System/POS - contains file "POS Archos 604wifi.exe" which is a password protected ZIP file (uses a French version of ZIP). One user has stated he cracked the password and the file only had an uninteresting text file - we need the password published to verify this.

Devices:
Display /dev/fb0, /dev/fb4
Hard Drive /dev/hda1

Hardware:
30GB Toshiba MK3008GAL 1.8" hard drive (pictures) (spec sheet)
- First partition: 102MB, file system linux EXT3, boot system, browser files
- Second Partition: 27.8GB, FAT32, user data
(mounted as /dev/hda1 /mnt/data vfat noatime,utf8,shortname=mixed,umask=000,gid=66 0 0, all files permission 777

Integrated Circuit Chips:
- Texas Instruments DaVinci technology-based media processor consists of an ARM9® and TMS320C64x+T digital signal processor (DSP) core plus video/imaging co-processors (article) (TI Chip Info & Guides)
There is controversy that they are using the TMX version of the TI chip (a non-production silicon) instead of TMS (production ready)
- Wifi Chipset BGW211(spec sheet)
- Memory: Qimonda HYB18TC256160AF-3.7 256 megabit DDR2 quad bank DRAM (picture) (datasheet)

Other areas of interest:
- The Nokia 770 appears to use the same processor as the 604wifi. May also be similar to the Sharp Zuarius SL-C750
- The linux may be this one http://www.mvista.com/products/mobilinux/index.html
- Need to try more Opera commands to see if they work. All local file strings used to date do not find hard disk files, maybe just need to hit on the right string.

Although this tpoic to a small degree is covered in the getting the source thread. I think your right in the fact that your message is more focused so when I get a chance Ill add it to the FAQ so maybe we can get more people involved. If we have a rough idea what version of linux is on here has anyone tried to add telnet to it? The nslu2 firmware was cracked after someone found a way to telnet into it, a new firmware waa made called unslung. Also I know there are several routers that wered hacked the same way. If we could add the correct version of telnet.cgi and then try to run it from the browser. I would really like to know what is in the POS file.Someone had said that they had no plug ins and could not see that file so perhaps that is a clue to what it is. I think its a key that unlocks a codec. It could be a useful script.

Great thread. I'd suggest you modify your original post to include information that others collect/ post. It'll be much easier to read then.

I personally don't think the POS file is anything special. It could be an incomplete 'Point Of Sale' application for shops to run.

Added hardware information gleened this week.

The person who cracked the POS zip file did not write it down. I got through iBxxx without results.

Who knows, the password could even be more interesting than the text file:wink:

I went for 6 hours or so getting into 6 digits and then gave up on cracking it.

What about the WiFi chipset??? does anyone know which it is??? Is it supported with open source drivers or at least,... can a binary snippet be loaded on the chipset and be talked to through a kernel module bridge to it (as is getting common these days).

The answers to those questions would be interesting.

http://www.activecomponents.com/pdf/dat ... BGW211.pdf

There should be more info on the web if do a search.

Updates added - keep the info coming

Nice work finding the Chipset... It looks like a complete OS replacement won't be too much of a problem seeing as the reference drivers work with both Linux and Windoze...

more updates on the filesystem and the chipset

there hasn't been much movement on the hw/sw front - probably alot of sadness after finding out how really locked down the unit is

Don't count anyone out,... If it is possible, someone will eventually find a way...

I have read this thread for a long time, even before getting the 604 wifi and I dont understand it.

If the person cracked the POS and didnt write it down... Why have they not done it again in all this time?

Could someone put the POS file online... I no longer have a copy of it.

heyy i was looking online and i realize somone might've already tried this...

http://www.openwall.com/john/

it's a unix password cracker...

thought it might be help ful

running a zip password cracker on POS Archos 604wifi.exe right now may take a while, but so far i know the txt file is called "important archos wifi604.txt" will keep aprised

omgitsexciting!

double post!

hows it goin with the cracken? any results

on 6 digits using brute force on all characters so at 12 hours and only 3% of 6 characters as said this will take a while, but been looking at source code in few days going try adding components to os, already know cant use knew kernal to system cause hardware locks but know reason why shouldnt be able compile a extended os using archos's kernal and drivers.

update still chugging away, but on a break cause all the zip password recovery programs seem be for winblows and im on my linux boot updating all my c librarys then need install uclib(embedded linux c library), then build box(embedded kernal compiler for davinnci whitch 604wifi uses, useing the copy build box thats with source code) wont start compiling till i see that damnd encrypted file)