Hello, I'm trying to restore bootloader on a Fritz!Box Fon ATA using EJTAG
I followed the page
http://feadispace.fe.funpic.de/FBF7050/
I buyed this interface based on 74HC244
http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&rd=1&item=260159253447&ssPageName=STRK:MEWN:IT&ih=016
I connected
TRST connected to 3v3 with 100 Ohm
TDI (pin 2)
TDO (pin 13)
TMS (pin 4)
TCK (pin 3)
3V3
GND
I made the connection and I'm tryig to use
E:\incoming\Fritz>wrt54g-v4.8.exe -probeonly
====================================
WRT54G/GS EJTAG Debrick Utility v4.8
====================================
Probing bus ... Done
Instruction Length set to 5
CPU Chip ID: 00000000000000000001000000001111 (0000100F)
*** Found a TI AR7WRD TNETD7300GDU Rev 1 CPU chip ***
- EJTAG IMPCODE ....... : 11111111111111111111111111111110 (FFFFFFFE)
- EJTAG Version ....... : Unknown (7 is a reserved value)
- EJTAG DMA Support ... : No
Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Skipped
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ...
<blocked>
E:\incoming\Fritz>wrt54g-v4.8.exe -flash:custom /skipdetect /instrlen:5 /
90000000 /start:90000000 /length:10000
====================================
WRT54G/GS EJTAG Debrick Utility v4.8
====================================
Probing bus ... Done
Instruction Length set to 5
CPU Chip ID: 11111111111111111111111111111110 (FFFFFFFE)
*** CHIP DETECTION OVERRIDDEN ***
- EJTAG IMPCODE ....... : 11111111111111111111111111111110 (FFFFFFFE)
- EJTAG Version ....... : Unknown (7 is a reserved value)
- EJTAG DMA Support ... : No
Issuing Processor / Peripheral Reset ... Done
Enabling Memory Writes ... Skipped
Halting Processor ... <Processor Entered Debug Mode!> ... Done
Clearing Watchdog ...
<blocked>
Can someone give me an help?
Thanks
Stefano