When did the length of wire ever affect lpc rebuild?

[savo07]

Just a question for everyone. When ever did it matter on how long the wires were when you did a LPC rebuild.

Now i'm not saying that Xenochip (Aladdin XT) chip makers are wrong in any ways. What they say maybe true.
The link that i'm complaining about is here.
http://www.xbox-scene.com/xbox1data/sep/EEpZupVAuZuiyBgdzV.php

Did anyone else ever do an lpc rebuild this bad???

I think some of my wire...including the D0 is just as long as their wire in that picture.
Is Xenochip making excuses for chips not working.
I have long wires and an excuter chip. I have have never had problems...

If people are making clone chips... it bad for the mod chip industry. It hurts everyone else...when there are want-to-be's out there. I know teamX has said this before and I agree.

 

[silentdarkfalcon]

LPC is pretty fast transfer, I bet the length of wire acts like a resistor significant enough to slow it down.

 

[NeOnRaBbIt]

if you ever read ANY wire install tut's by xecuter or probably any other chip maker you would have read that they want you to use the shortest wires possible. Why do u think ethernet cables are recommended smaller than 30ft and IDE cables shorter than 30" i think it is.

 

[savah]

I will quote Andrew "bunnie" Huang.

"Measure twice, cut once..."

 

[savo07]

if you ever read ANY wire install tut's by xecuter or probably any other chip maker you would have read that they want you to use the shortest wires possible. Why do u think ethernet cables are recommended smaller than 30ft and IDE cables shorter than 30" i think it is.

don't start pointing fingers here. I simply did asked a question thats all. And YES i've read all the tuts. I just thought that even the wires in that pic didn't seem too long. As long as the gage was small the current should still flow pretty fast through the long wires. Maybe the lpc is super sensitive.

They, for sure, were not short enough though.

 

[Gangstarrr]

i wondered this, this is why i got the lpc rebuild thing what ever its called. its much easier and no wires involved.

 

[threeballspin]

I will quote Andrew "bunnie" Huang.

"Measure twice, cut once..."

This was on Family Guy also. Very funny episode. Sorry, I know it's off topic. Damn those long wires!

 

[Floppy Mohawk]

Current=volts/resistence
So as you can see by increasing the resistence/increasing the length of the wire you will lose current flow.

Floppy

 

[TimboZero]

resistance of a wire is a function of both the CSA (cross sectional area ) and the length. the longer the wire the higher the resistance and the narrower the wire the higher the resistance.
So in short , thick and short is good but obviously don't go too thick else you will have fun trying to solder it to the board

 

[tonylott]

Unless they are seriously long cables, you will have no problems... Yeah sure I=V/R but be serious, we are talking cm (inches for us old un's) of extra cable not lodsa meters.
That said, using the shortest wire practical is good practice and reduces the risk of snags, bends, twists etc.

If if doubt....Tie it in a knot and go to sleep!

 

[tonylott]

resistance of a wire is a function of both the CSA (cross sectional area ) and the length. the longer the wire the higher the resistance and the narrower the wire the higher the resistance.
So in short , thick and short is good but obviously don't go too thick else you will have fun trying to solder it to the board

You will have all the Noobs trying to solder their wires on side-ways now!!LOL

 

[Floppy Mohawk]

Unless they are seriously long cables, you will have no problems... Yeah sure I=V/R but be serious, we are talking cm (inches for us old un's) of extra cable not lodsa meters.

FYI the actual formula is E=I/R.

If you look at that picture it was more than just centimeters. Were only dealing with 5v here. just a half volt off could make a big difference.

Voltage is pressure. Think of it like a water hose. The longer the hose the less force your going to get at the end of it. All due to resistence.

Floppy

 

[lazarus]

<clue>

People are barking up the wrong tree when they talk about voltage. Think more about electromagnetic interference and those wires acting as antennas....

</clue>

 

[Vyrus]

The length in the picture its alot more than a few centimeters. And is does make a difference.

 

[tonylott]

FYI the actual formula is E=I/R.
Floppy

FYI Current (I) = Voltage (V) / Resistance (R)

Or V = I X R

or R = V/I

It's called Ohms Law (V=I/R)

http://ee.wustl.edu/class/sp05/jee2300/lecture/chap3.pdf

At least that was the way it way on my electronics course! And to drop that 1/2 Volt you are on about would mean a mighty long extra bit of wire my old fruit.

 

[TokenUser]

Problem with the wire length in these pictures isn't so much the resistance issue, cause, as said by Tony, you'll need a lot of wire to drop it .5V ... the bigger issue is interference. These things can pick up the same way white noise appears on a tV - and corrupt the signal on the data path. It might only take changing the timing on the signal, or altering the signal flow (magnetially, not electrically) to corrupt the signal at its endpoint.

 

[tonylott]

Problem with the wire length in these pictures isn't so much the resistance issue, cause, as said by Tony, you'll need a lot of wire to drop it .5V ... the bigger issue is interference. These things can pick up the same way white noise appears on a tV - and corrupt the signal on the data path. It might only take changing the timing on the signal, or altering the signal flow (magnetially, not electrically) to corrupt the signal at its endpoint.

I really didn't think that that amount of extra length could make that much difference. I never considered the "antenna" effect. I guess I am just used to clunky old electronics rather than the modern stuff. LOL
Well, as they say, you live and learn.Guess that is what these threads are for.

Cudos to Lazarus too.. He pointed me in the right direction too....


p.s. I cocked up in my previous post as well...Ohm's law is V=IR NOT V=I/R..Sorry.

 

[Keis]

Unless we are dealing with high frequency signals through these wires, which could lead to interference (which i doubt in this case), i don't see any problems with long wires.
But i still think the best thing is to keep it short and simpel. Looks better, and shows that you have put a litle more time in modding your xbox, or perhaps someone elses. And when you use a litle more time modding it, theres a reduced risk for a faulty/bad install.

 

[AbMagFab]

The wire lengths we're talking about here make no difference at all. If you shortened the wires and it worked, it was more likely a bad solder job with the longer wires, than anything to do with the length.

You'd have to wrap the wires around the mother board a few times before length, or any "antenna effect" became an issue.

 

[mitpat]

Current=volts/resistence
So as you can see by increasing the resistence/increasing the length of the wire you will lose current flow.

Floppy

someone knows their physics, i find it realy easy