Need zombie? Make yourself, some help arrive here

[TiN]

Just try going step by step. cut one wire - check, etc..
not do everything together and then hope it work Even I did never do all steps at same time without intermediate checks, otherwise you can often find that lot of time just wasted on doing nonsense work.

[der8auer]

Yea that's true

I will try it again with the 2nd PCB. As the first one is working already I should find a way. Thanks again for your help! Will post again if I got something new

[der8auer]

I did some more tests including my unmodded card.

1x PCB with 6 Pin connector and PCIe slot [epower]
1x PCB with 8 Pin connector without PCIe slot [stock vrm]

This combination works fine. NF200 has ~1,2 V and I can boot into windows and card runs in SLI without problems. Means the first PCB with epower works fine.

1x PCB with 6 Pin connector and PCIe slot [stock vrm]
1x PCB with 8 Pin connector without PCIe slot [epower]

Using this combination I am not getting a signal on the monitor. I measured the voltages and there is 0V on GPU, RAM, NF200 on the first PCB (stock vrm). Something on the 2nd PCB must reset the 1st one.

1x PCB with 6 Pin connector and PCIe slot [epower]
1x PCB with 8 Pin connector without PCIe slot [epower]

Also no success. GPU and RAM on both PCBs have the correct voltage now as they are powered by the epower boards. NF200 is 0V.

The PWRGD and FAULTB traces (VT1165) on the 2nd PCB are not cut. Could this reset the NF200 on the other PCB?
TiN there is another APW7066 on the 2nd PCB and I am not sure what this IC actually does as there is no NF200 or a similar chip.

[teurorist]

today I started with producing a zombie from a 4870
i had 3 dead ones
it wont run at the moment :/ i think there is something missing after i cut off it stopped working.
is hear someone with dates about the Voltera chip ?

Volterra VT1165MF chips control seven VT1195SF power devices

http://www.extremecooling.de/forum/a...1&d=1334514745

i made the shortcut and used the 3.3v from my power supply

[Hellshealer]

from what i understand so far, the LDO setup used to bring our zombies to life are basically a power phase, like what is used to power the GPU.
for the guys who want to learn but are baffled by where to set this up on there zombies (like myself) you might be able to use this:
http://www.ebay.com.au/itm/370312787...ht_2373wt_1270

although this is cheating, we can still learn from this item, as you have to build it yourself.

with this item you should be able to power on your voltage control chip.

hope it helps

[TiN]

heh, it's overcomplicated in this scope (it have diode bridge for AC in support, which is not needed when we power LDO from +12V)

[Hellshealer]

But it would still get the job done right?

[TiN]

you can supply just 3.3v from your PSU , prolly work ok :O)

[Hellshealer]

i have considered it, but all in the art of learning right?

[Hartmut]

Hey Masters of the Zombies ,

I have a little problem with my 8800GTX Zombie.
I desoldered The GPU and cleaned all of the solder with Desolder braid(is it right? Don't know the English word of it picture)
Then I Connected 12V an 3,3V from PCIe Slot.
I tested it and it took about 1A@12V seemed to me that I had done it right.
Then I went eat some cake. Came back to the card turned on my Power Supply and it took 3A (where i set my Current Limitation) and Vontage went down to ~1V. I've measured 0,6 Ohm on the PCIe Powerconnector so I have somwhere a short right? Or is the card just gone into the heaven of Components?

If my english is incorret or bad or you just can't understand me correct me or ask

Some Pictures:


EDIT:
Just measured a bit and I found one Error. my 3,3V Circuit gave the card ~4V( my trimpot had a defekt -.-). Now I rebuilded the Circuit an put only the 3,3V on the card. Current 1A. Is it normal or did the Card die?