trevormacro wrote on 26.06.13 at 19:10:15:


Yep, I hope this will help.

trevormacro wrote on 26.06.13 at 19:10:15:


Ok, thanks for the better picture. I also checked the AGP pinout for Pin A59 -> "Reserved"

According to the AGP 1.0 spec it does have no function but within AGP 2.0/3.0 it is used for an address strobe signal. This signal is used for clock synchronization between transmitter and receiver (board and card). The strobe signal is only used on speed setting 2x, 4x and 8x within spec 2.0/3.0.

So it shouldn't prevent the card from working even if trace would be damaged.

Edit: About the copper sheets... I would go for normal "copper tape". If one layer isn't enough you can add several more layers and find the right thickness by yourself. => something like that for example: http://www.amazon.com/Copper-Conductive-Adhesive-Thick-Length/dp/B009KB86BU/ref=...

Aluminum sheets or tape is fine also, but I wouldn't go for aluminum foil from the kitchen. It is very very thin and you will need more layers of it (and folding of aluminum foil sucks).

http://www.amazon.com/Duck-240225-1-88-Inch-50-Yard-Aluminum/dp/B0000DI82J/ref=s...

Just a few dollars like the copper tape too.

The oven trick mainly works for soldered BGA components. Beside this it can fix the connection from DIE to substrate.
Both isn't the case when it comes to the Rampage card.

So no, I wouldn't recommend this trick.

If the "copper sheet"-trick doesn't work, soldering the Rampage to the board should be considered, yes

@Loeschzwerg:

Oscar tried with double paper sheet. He already had problems to close the heatsink but card continues without working. Even used the clamp but the card does not want to boot. With double paper sheet heatsink is doing a lot of pression and even balls are more deteriorated. Did you think it's enough or he need to buy copper sheet?

Check rampy chip picture:



It looks bad but it works perfect though. The pression is deteriorating some balls.

@osckhar:

If you put the chip on the rampy and after that the card doesn't work, is it possible to come back to original state without damaged both parts (balls traces on pcb and pins balls for the chip)?

Soldering the chip will be done by you?

Loeschzwerg wrote on 27.06.13 at 12:13:33:


When Oscar tried my test socket and my rampage chip, it worked on his card but on my card no.
Perhaps the problem come from another part?
Did you think it will be a good idea to solder the chip on my card?

trevormacro wrote on 27.06.13 at 12:01:16:

Always there is a risk.  I cant tell you 100%  not risk but I have reemplaced several bga chip from 3Dfx cards without problems. I have done some reworks (vsa100 / tsops) for Gino and all perfect. No cards damaged.
Lately I had to fix a Daytona agp with problems in memory ddr and bga (reemplaced them) and card is perfect now.

About If is possible once soldered  the chip come back his original stated. Yes, it is possible.
Is possible reballing the chip with new balls? Yes, it is possible. Anyway I should build custom stencil from a standar stencil 40x40mm  for rampage chip.

Now the bga pads from rampage card are not leaded they are in his orginal copper stated.. Once I Solder the chip onto the card if I remove the chip pads willbe leaded but that is not bad since it can help makes better contact.

Yes, I would do all the process with my BGA reworks station.

Michel, is your choosing. You must think it and even talk with Hank about this. Always there is a risk and if something goes bad I dont want any responsability.

If you ask me what would I do? You know me and I would try but the main problem is if really the problem comes from there.

I know very difficult decission.

Regards,
Oscar.