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I have tried the same in Hyperterminal - no luck. I don't say Hyperterminal is bad but... :rolleyes: Strange anyway. Perhaps changing default ttys0 parameters could be the right way.

No - it seems that Kernel is not able to receive bytes from UART correctly (input - it looks like MSB is corrupted - sometimes - and incorrectly recognized as logical H). Output seems to be OK in any...

Try 13,0MHz XTAL then...:) In fact I am using 12,288 MHz and it works fine as well. Please note 5% difference is perfectly OK in any case.

Sorry for the late response... :rolleyes:
The original source was in some discussion about WRT54G. I expected that the same frequency could work in WL-500 as well --> true. If you use different...

Find and check the data sheet for your specific chip then...
The top frequency limit is important. I am sure the UART chip will work fine at any lower frequency.

I am afraid you HAVE TO use a 13 MHz XTAL (in ideal case it should be 12.75 MHz +/- 5%).

Do you mean MN700 box mentioned in another thread? The 12 pin connector is JTAG and 10 pin connector labeled UART - that's the correct one. It is probably set of UART pins at TTL/CMOS levels. So any...

OK, check the updated post here: http://wl500g.info/showpost.php?p=3312&postcount=3
The bottom file should be a bit better. :)

OK, I am going to make a better schematic image finally. Unfortunately I have detected a problem with Linux console - bidirectional communication is not reliable - characters are garbled so it's...

Use a hot-air gun for a chip extraction if you have any. :)
You can definitely use the mentioned chip as well.

:) Didn't you try to use search function? ;) But it couldn't help to get the source codes anyway...

Oleg, are you very busy these days? :) Couldn't you please make the customized version with...

Just FYI... :)

PMON version 5.3.22 [EL], LSI LOGIC Corp. and Broadcom Corp.
Compiled on Fri Apr 25 15:24:08 2003
CPU type 4710.CPU clock frequency 125 MHz.Avail RAM 16384 KBytes.
NVRAM: AMD...

Mine starts with:
42, MAC 00:0e... HW rev. 2.40 (WL-500g)
3A, MAC 00:0c... HW rev. 1.00 (WL-500b)

Yes, Oleg - the router HW revision is 2.40. Revision 1.00 uses a different connector which is quite hard to obtain (see photos here: http://wl500g.info/showthread.php?t=8).

Yes you can use an old chips if they can operate at 13 MHz clock rate. That's why I put the UART to socket - sometimes it's not easy to find a datasheet of some specific chip... 16c55x recommended...

OK then... :) But it's a bit brutal so don't be disgusted with this please! :D
BTW I would like to say THANK YOU to hwsoft for providing me with the UART chips and to Antiloop as well for the...

Yes it is possible - I have made and tested this RS232 interface yet (see the bootup messages from PMON below). :)
Please note you will loose the warranty by this modification as there is a warranty...