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[PimpleX]

QUOTE(ferrari_rulz_02 @ Aug 29 2005, 11:44 AM)

well just before it stopped workign right, did you do anything? if not, i will bet my life on the fact it is an overheating component

No, it was FTPing happily and then froze up. I've looked into the heat issue, but if it does FRAO from cold (stone cold overnight non useage cold uplugged from the mains cold, i mean COLD COLD COLD) then it aint a heat issue me thinks is it???!!?.

Which leads us back to....? Bad trace, bad IC, bad resistor, bad cap etc.

My version 1.0 is today now FRAGing NOT FRAOing with D0 NOT grounded for some totally mad reason, all the LPC is good (always has been).

My V1.1 was FRAO in a sealed unmolested XBOX when I got it, it was "cured" by the LPC trace bypass method for an hour or so (which it didn't actually NEEED as the trace in question was GOOD so it's either coincidence or it pushed some dodgy component / IC back within limits for a while), .... and then it was back to FRAO, which it is now permanently stuck in, and no amount of effort or stealth tactics have made any difference to it since, so whatever WAS failing, obviously now has.

So we are still no nearer to finding a path of enlightenment on these are we?

Cheers,

PimpleX

[PimpleX]

I can't edit my post above...

EDIT: Also,..... mentioned above as a suggestion, a19 to ground makes no difference, as I had bank switch on my TSOP and flashed it while it was working (same on both the boards when they decided to work long enough) and switching banks made no difference to it FRAOing or not. Switch A19 to ground was with the switch ON.


Cheers,

PimpleX

[ferrari_rulz_02]

well im starting to see a pattern here...

there are quite a fewq thraeds around that have the main jist of this:

'ftping to my xbox.....now its dead'

its more then a coicidence.

have a search around for the otehr threads, and see what other people have posted, see if you get any ideas

[PimpleX]

QUOTE(ferrari_rulz_02 @ Aug 29 2005, 03:09 PM)

well im starting to see a pattern here...

there are quite a fewq thraeds around that have the main jist of this:

'ftping to my xbox.....now its dead'

its more then a coicidence.

have a search around for the otehr threads, and see what other people have posted, see if you get any ideas

Na, nothing to do with it m8. It freezes when IT feels like it, at the flubber, after an hour, after 10 minutes, in a game, on the dashboard, ...anywhere.

Once it does that, it will FRAO again and again and again. One of my boards (the v1.1) would boot again if i left it for a period of time (an hour or so to begin with and then overnight after a bit)) and then start doing the FRAO again after freezing up. Suggesting a leaky cap maybe?

Well I couldn't find one!!! That doesn't mean there wasn't one there, but I couldn't find one at any rate. Well now it NEVER boots and has gone from permanant FRAO to permanent FRAG, so whatever was dying has now died I'd say.

Some people seem to get some life using the eject button, i saw some of that on the v1.0 but not on the v1.1 at all.

It would help a great deal if you've (or anyone replying) has had a red - orange mobo at some point LOL.

Cheers,

PimpleX

[PimpleX]

Have a look in this thread: http://forums.xbox-scene.com/index.php?showtopic=397498

I read this before and can't remember what I did about it at the time LOL, so I'll try again.  Seems to be a pin 5 issue worth looking into. I'll check mine and see what i can work out.

Cheers,

PimpleX

[PimpleX]

Ok this is what I have found out tonight:

My LPC readings on a v1.0 and a v1.1 both FRAO:



I traced the err traces back and fore but they disppear into the little IC here which links the two small vias on the LPC:



The other end comes out in the MCPX.

So I checked all the caps and the mosfetts and they were similar to a working v1.0 board.

I then checked around the MCPX on the v1.1 and found NO VOLTAGE on one section. I compared this with the v1.0 FRAO (which has a cap there, the v1.1 does not) and found it was exactly the same. NO VOLTAGE, 0.0V.

I then tested the same points on a working v1.0 and it is 3.3V all over that area.

So there's the next step of the problem. I'll see if I can find where the traces in this area go to tomorrow, but I have posted this for now as I've just found and confirmed it on two FRAO boards. Here's the area on a v1.0:



Cheers,

PimpleX

[ferrari_rulz_02]

QUOTE(PimpleX @ Aug 30 2005, 08:04 AM)

I then checked around the MCPX on the v1.1 and found NO VOLTAGE on one section. I compared this with the v1.0 FRAO (which has a cap there, the v1.1 does not) and found it was exactly the same. NO VOLTAGE, 0.0V.

I then tested the same points on a working v1.0 and it is 3.3V all over that area.

well looks like you are very close to finding the problem.

you can use the working mobo to try and find the component(s) that are causing this problem.

i think you are very capable of finding the componets that are responsible

[PimpleX]

I haven't got any further with this much, but decided to test the same points on a "normal" FRAGing board and on that one there is 3.3V in that area (after the 3 boot attempts). Meaning that having 0.0V there is specific to FRAO boards.

What does this IC do? I took readings off it on my v1.0 FRAO and a normal v1.0 and they are different:

(IMG:http://www.meltdown.fsnet.co.uk/pics/XBOX/lpcicfrao.jpg)

(IMG:http://www.meltdown.fsnet.co.uk/pics/XBOX/lpcicnormal.jpg)

I don't know enough to find what I'm looking for, so it needs more able techs to solve it.

Cheers,

PimpleX

[ferrari_rulz_02]

have you got a fully working board that you can take the same measurements off?

[PimpleX]

QUOTE(ferrari_rulz_02 @ Aug 31 2005, 11:09 AM)

have you got a fully working board that you can take the same measurements off?

Bottom pic above is v1.0 normal working mobo.

Cheers,

PimpleX

[ferrari_rulz_02]

ok, the first thing id be doign is backtraking the 3.3 on teh workign board.

check with the non-working board at the same time, following the trace.

with a bit of luck, you will be able to find a component that has shat itself and that should fix it.

[Robc66]

Hi everybody...I have exactly the same problem, when i turn my xbox on it tries to boot 2 times and then the 3rd time it boot but the middle button is flashing red and orange. If i take the av cable out of the back though the middle button will flash orange and green Ive checked all of my tracks and they all seem to be fine and i have checked to see if i have spilt any solder anywhere, but i cant not find any at all. The thing is though before all this started happening i tried to install the Xecuter 3 CE chip to my xbox and it was working fine....it came up with the flash bios screen, so i flashed the bios but after i flashed the bios it started turning itself off and on like it is now.....so i check the chip to make sure that all of the solder point were ok and decided to add a bit more solder, after i had doen that the xbox seemed to be stuck in that FRAO position, even if i remove the chip completely. I would really accreciate some help on this because i am REALLY stuck with it    Thanks.

[Eisen4]

I screwed up an X3 on a previous v1.0 mobo so I ordered a new 1.0 mobo/drive from llama.com with soldering already done. He did a great job. All I had to do was plug it in.

Since then, I've installed some new bios and even tried loading up XBMC. The one thing holding me back though is that my power button (lead on the board, whatever) is stuck on. Also, my eject button doesn't work. Everytime I boot it goes straight into the bios config instead of trying to load any dashboard I install. My eject button also doesn't work anymore. The only way I can get the eject button to work is to take the mod chip out, unplug the power/eject from the X3 and put it back into its original spot on the motherboard. However, when I do that the eject button will work but the power button still doesn't.

What should I do to fix it?

[ferrari_rulz_02]

QUOTE(Eisen4 @ Sep 3 2005, 02:12 AM)

What should I do to fix it?

check the board (the front pannel one) to see if any wires have come off. is posible that one has broken

[Eisen4]

I really don't know how to get to that panel. Any time I've undone the clips the top part of that panel's black cover on it seems like its attached somewhere on the bottom that i can't undo. Do I have to do anything special to completely dismantle xbox (beyond taking out the hard drive/dvd/power) ?