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Gradius2

The Solution for Seagate 7200.11 HDDs

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Worst thing is that i don't understand the problem -.- and I'm really sorry for all the time you're wasting to help me ...

The problem is detailed in point #6 (the one before #7) in the read-me-first.

If your PCB is completely gone, you wouldn't have the "garbage" characters. (mind you it is possible that part of the PCB is gone, but it is unlikely).

What is the problem in taking one of the (MANY) black cables coming from the PSU, and attach to it a (black) wire and connect this latter to all the rest?

You surely have from the PSU a common Molex connector:

800px-Molex_female_connector.jpg

unused.

The BLACK wires in it are BOTH a GROUND (or 0v) connection, you have to have that connected to ALL the other ground wires or pins.

This creates an equipotential "base" level.

It is possible that the actual RS232 to TTL adapter is defective, but I doubt it, if loopback tests work allright.

You did actually carry a loopback test, didn't you?

That is point #8 of the read-me-first.

jaclaz

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It is possible that you have only SATA power connectors (though it's UNlikely).

But things don't change much, you should have more than one of them "free".

Or however have any number of "other connectors" available with a black wire.

In the worst case you can connect to the actual motherboard ground.

In the worst case you can get one of these:

http://www.idaf.it/index.php?topic=410.140

DSC06640.JPG

DSC06638.JPG

from *any* car supplies shop.

jaclaz

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I completely disassembled my case and i've found one of that cables that i need... Now i need to know ... how to feed the hd by using it?

I also have another problem, my cable is fully black and I don't know what's the ground cable but it seems that they are the central ones.

When I'll get home again I'll try and I'll edit this post with results, hoping it works

Thanks for the third (or fourth) time, lol :)

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Yes, if it's a four pin Molex (for ATA/IDE HD's or CD/DVD's) the two central wires are Black (Ground).

If you have a multimeter you can check them against the "outer ones".

The Red one is 5 V.

The Yellow one is 12 V.

Even if you cannot see the colours of the wires the connector has two cut edges that you can use as reference with the image I posted.

If both cut edges are on top, facing the connector, you have from left to right: 12V,0V,0V,5V

Now, imagine an octopus. :w00t:

world-octopus.jpg

Each tentacle is connected to the body of the octopus on one side, right?

Since we have wires instead (and no body) simply connect one side of EACH ground wire together, example:

morsetto.jpg

You need to connect the other end of each "tentacle" to a GND.

This particular octopus has only 4 (four) tentacles:

  1. connected to the black wire of the PSU
  2. connected to the ground of the adapter
  3. connected to the battery 0 V
  4. connected to the Hard Disk GND pin (the one next to Tx and Rx)

Do you get the picture, now? :unsure:

jaclaz

Edited by jaclaz

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I've done my octopus... only a question... battery 0 v = ?

0V = - (minus)

jaclaz

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Maybe the HEAD contact was not right... now it must be, i resend the command?

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Maybe the HEAD contact was not right... now it must be, i resend the command?

Go back to /2 and see if you can spin up. No use to try and continue if you get an error there. Otherwise, just pull out the power now and redo the procedure.

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Guys I've done it... Thanks for all the support! :D

BTW the intial problem was that the PSU didn't turn on... solved with a contact in MOBO connector...

@jaclaz [italian] tanto un giorno ti beccherò si spera, e quel giorno ti offrirò un bel birrozzo, grazie per tutto :) [/italian]

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Guys I've done it... Thanks for all the support! :D

BTW the intial problem was that the PSU didn't turn on... solved with a contact in MOBO connector...

Another (italian) happy bunny in the basket! :)

@jaclaz [italian] tanto un giorno ti beccherò si spera, e quel giorno ti offrirò un bel birrozzo, grazie per tutto :) [/italian]

In the meantime, cheers.gif

jaclaz

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Hi! Since I'm having trouble with my 500gb st3500320as drive and my pc is rather new, can I use the parallel

Port instead of a serial port? I started reading the forum but it is too long. Thank you!

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