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2 posts

Wannabe Geek

#16573 17-Oct-2007 11:39
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I would like some help with a 502t gen2  problem.

I recently flashed openwrt onto a 502t gen2 modem with the mtd settings of a 502t non gen2. It appears that this has wiped mtd3 which is the configuration file and bricked the router. I have  made  a jtag  cable and can successfully  reflash  the  processor  but require the  correct mtd  settings  (I should have backed this info up but was too lazy).

If anyone is interested in helping the procedure for obtaining this data is:

Log in to modem with telnet i.e. telnet <i.p. address>
enter USER (default admin)
enter PASSWORD (default admin)

once in busybox run

cat /proc/ticfg/env

Save output and post to forum.

Thanks in advance for anyone willing to help.

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643 posts

Ultimate Geek

  #91355 17-Oct-2007 12:43

# cat /proc/ticfg/env
memsize 0x01000000
flashsize       0x00400000
modetty0        38400,n,8,1,hw
modetty1        38400,n,8,1,hw
bootserport     tty0
cpufrequency    150000000
sysfrequency    125000000
bootloaderVersion       0.22.02
Adam2_Release   0.22.02_b04_Mar 10 2005
ProductID       AR7RD
HWRevision      Unknown
SerialNumber    00:17:9A:XX:XX:XX
prompt  Adam2_AR7RD
firstfreeaddress        0x9401d888
req_fullrate_freq       125000000
maca    00:17:9A:83:4C:6E
mtd0    0x90091000,0x903f0000
mtd1    0x90010090,0x90091000
mtd2    0x90000000,0x90010000
mtd3    0x903f0000,0x90400000
mtd4    0x90010000,0x903f0000
autoload        1
autoload_timeout        7
StaticBuffer    120
vcc_encaps0     0.0
vcc_encaps1     0.0
vcc_encaps2     0.0
vcc_encaps3     0.0
vcc_encaps4     0.0
vcc_encaps5     0.0
vcc_encaps6     0.0
vcc_encaps7     0.0
modulation      0xffff
usb_vid 0x0
usb_pid 0x0
usb_man N/A
usb_prod        N/A
eoc_vendor_id   0x444C696E6B
enable_margin_retrain   1
eoc_vendor_serialnum    00:17:9A:XX:XX:XX
eoc_vendor_revision     20060516

just out of curiosity, does openwrt have a working ti adsl driver? does it do PPP half bridge? I might have to try this ! :-)

Sniffing the glue holding the Internet together


2 posts

Wannabe Geek

  #91365 17-Oct-2007 14:22
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Hi, thanks for the reply, it will be helpful. In regards to your queries, yes there is support for Texas Instruments ADSL, it is part of the AR7 family.
I am currently running another 502t as my modem/router using openwrt with Annex A, I am with ihug and ppp authenticates with pap, I haven't tried ppp half-bridge as the router will now do everything I need(dns,dhcp and port forwarding) so don't know if it is even possible although it is fairly trivial to set up DMZ with iptables(there is an example in /etc/firewall.user).

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