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hello and thank you very much gradius 2 you all my wonderful data (:. respect. i had a seagate barracuda 7200.11 st3500620as firmware HP12 with 500Gb which one morning wasn't recognised in bios anymore. i nearly fainted couse that had all my data on it. so i when looking for a way to get it back and stumbled over this video on youtube by "nitrohelix1" http://www.youtube.com/watch?v=29FztWJVxbM it explained how to fix a bricked hard drive using the CA-42 nokia cable. so i ordered one and tried it myself. i got as far as the command F3 T>i4,1,22 (enter) but then when i toke the sata cable out waited and put it back in and pressed crtl z in hyperterminal nothing happened. it was like as if hyperterminal froze but it didn't because all the menus still worked. so i was stuck there. and i continued to look for an answer to my problem. when i then found the answer. it lies in this thread. http://www.overclock.net/hard-drives-stora...e-fix-pics.html in it it said to enter a couple of extra commands which only work on 500 GB 7200.11 drives with firmware SD15, this was my drive except that the firmware i had was hp12 and not sd15 but i tried it anyway and it worked so i guess that hp12 is just a renamed version of sd15 from hp couse my drive came in a hp pc which i bought, anyway here are all the normal commands with the extra commandes : Step 5: Type ctrl+z and you should see a prompt that says F3 T> Step 6: Type /2 and press enter. It should say F3 2> Step 7: Type Z and press enter. It should say "Spin Down Complete, Elapsed Time 0.146 msecs", the elapsed time may not be the same - that's OK. Step 8: Remove business card and mount the PCB as normal, tighten up all the screws. Step 9: Type U and press enter. It should say "Spin Up Complete, Elapsed Time 6.864 secs". Again, the elapsed time may not be the same and that's OK. This next part is not necessary, it's just checking that everything is OK. Use this when the first try fails (command F712 works only on 500 GB 7200.11 drives with firmware SD15, if this isn't your Firmware version just skip this part.) Type / and press enter. It should say F3 T> Type F712 and press enter. It should say..... Byte:0712: RealTimeUpdatedFlags = 00 00 Byte:0712: Bit:0, HPA_SET_BY_SETMAX = 0 Byte:0712: Bit:1, HPA_SET_BY_SETMAX_EXT = 0 Byte:0712: Bit:2, DCO_SET_ACTIVE = 0 Byte:0712: Bit:3, CONGEN_READ_FROM_MEDIA = 0 <- configuration not loaded from surface Type F,,22 and press enter. It should say Drive Configuration restored to defaults. Type F712 and press enter. It should say..... Byte:0712: RealTimeUpdatedFlags = 08 00 Byte:0712: Bit:0, HPA_SET_BY_SETMAX = 0 Byte:0712: Bit:1, HPA_SET_BY_SETMAX_EXT = 0 Byte:0712: Bit:2, DCO_SET_ACTIVE = 0 Byte:0712: Bit:3, CONGEN_READ_FROM_MEDIA = 1 <- done (This is the end of the part that was not necessary unless the first try failed). Step 10: You should see F3 T3> at this point, type /1 and press enter. It should say F3 1> Step 11: Type N1 and press enter. It should say F3 1> Step 12: Type / and press enter. It should say F3 T> Step 13: Type m0,2,2,0,0,0,0,22 and press enter. (Note the "m" is lower case and the 0's are zeros). It should say..... Max Wr Retries = 00, Max Rd Retries = 00, Max ECC T-Level = 00, Max Certify Rewrite Retries = 0000 User Partition Format 5% complete, Zone 00, Pass 00, LBA 00008DED, ErrCode 00000080, Elapsed Time 0 mins 05 secs User Partition Format Successful - Elapsed Time 0 mins 05 secs And should bring you back to the F3 T> Prompt. Step 14: Unplug the SATA power cable from your drive, unhook the RX, TX, and GND wires. Turn off computer and re-install your drive. Everything *should* be working fine. Be sure to update your drive with the latest firmware as soon as possible. i followed these commands and *blink* it worked. i think it worked here for my because i didn't have to power down and up again during the command process. thank you very much everyone who helped get the answer to the bugged firmware problem. i bought myself a 1 tb hard drive from western digital ( nver gona buy a seagate again) after i fixed my other drive so i'd have a drive to fall back to should this one every duff up again Zerocool