GENERAL Demon not like picking up in J-runner often

Aug 25, 2010
2,149
68
Cornwall England
So I am reusing a demon I've had in my drawer for a while.
only hitch with the install is the anchor point next to the swtich, its kind of destroyed. everyother point is on fine.

I am using parallels 2 on a MAC to run J-runner, never a problem in the past with demons or J-runner at all.

turns on picks up in J-runner happy days. reading nand starts

J-runner crashes.

try again

same, and again and again always only when reading mobo nand.

now I just get nothing in J-runner at all, no demon logo. the switch will also freeze with the LED on and will not switch off untill I unplug the console.

console still boots and will make gltiching sounds when on demon nand so 90% the install is sound.

any ideas?

pics below







 

TilVl

VIP Member
May 11, 2011
1,383
0
Maybe aa thinker gauge for the 5volt? Your seems smaller then what is provided.

Pretty sure you knew this already but the switch is on pc.

Sent from my SGH-T839 using Tapatalk 2
 
Aug 25, 2010
2,149
68
Cornwall England
Maybe aa thinker gauge for the 5volt? Your seems smaller then what is provided.

Pretty sure you knew this already but the switch is on pc.

Sent from my SGH-T839 using Tapatalk 2
it doesn't pick up on XB either.

Switch in pc will cause solar problems as you describe. I learned that the hard way myself lol.
I'll try and find some, only got ethernet wire

I guess the anchor point isn't anything important for a connection or anything?
 

gamehawk55

VIP Member
Mar 21, 2006
202
33
Canada
www.chaotic-consoles.com
Try doing a read/write using the demon toolbox software. I had issues in the past with J-runner crashing when trying to read or write the nands. But when I switched to demon toolbox it showed me what the real issue was, "Manufaturer code "xx" not found", or something similar. If you get any sort of AF/AD/EF/etc code in demon toolbox when trying to read/write then it is a problem with the row of quicksolder points on the demon, specfically D0-D7. Check with a multimeter between adjacent points to make sure none of them are bridged. Also check the resistances of all adjacent points and combinations of points (ie. D0+D1, D0+D2,etc,etc). The proper resistance should be around 10K ohms. Although on my last demon install D0+D1 registered at 9.25K ohms, the rest were at aprox. 9.85K+. If your resistances are any lower than that then I found it will cause problems with reading and writing the nands consistantly or cause crashes like you were experiencing with J-runner. Hope this helps in some way.

---------- Post added at 00:27 ---------- Previous post was at 00:24 ----------

Also the anchor point that you're referring to I believe is just another ground. On mine when checking with a multimeter that anchor point and ground point would pick up slight continuity to eachother if I'm not mistaken.
 
Aug 25, 2010
2,149
68
Cornwall England
Maybe aa thinker gauge for the 5volt? Your seems smaller then what is provided.

Pretty sure you knew this already but the switch is on pc.

Sent from my SGH-T839 using Tapatalk 2
Try doing a read/write using the demon toolbox software. I had issues in the past with J-runner crashing when trying to read or write the nands. But when I switched to demon toolbox it showed me what the real issue was, "Manufaturer code "xx" not found", or something similar. If you get any sort of AF/AD/EF/etc code in demon toolbox when trying to read/write then it is a problem with the row of quicksolder points on the demon, specfically D0-D7. Check with a multimeter between adjacent points to make sure none of them are bridged. Also check the resistances of all adjacent points and combinations of points (ie. D0+D1, D0+D2,etc,etc). The proper resistance should be around 10K ohms. Although on my last demon install D0+D1 registered at 9.25K ohms, the rest were at aprox. 9.85K+. If your resistances are any lower than that then I found it will cause problems with reading and writing the nands consistantly or cause crashes like you were experiencing with J-runner. Hope this helps in some way.

---------- Post added at 00:27 ---------- Previous post was at 00:24 ----------

Also the anchor point that you're referring to I believe is just another ground. On mine when checking with a multimeter that anchor point and ground point would pick up slight continuity to eachother if I'm not mistaken.
ok cool will try that later today. so if the anchor point on the demon is fadged what are my options?
 

gamehawk55

VIP Member
Mar 21, 2006
202
33
Canada
www.chaotic-consoles.com
Like I said I'm not too sure what that particular point is for. It might just be another ground. Either way I'm pretty sure that point should not inhibit your ability to read and write the nand. I believe the only points that u need to worry about for that are the cluster of qsb points on the right hand side of the chip and the RB point. But regardless just make sure you have a good clean connection on all points (minus the anchor). Also you should trim your wires down before soldering them to the points to avoid bridging and interference. I'll post some pics of my install for reference.

---------- Post added at 14:23 ---------- Previous post was at 14:22 ----------

http://db.tt/cKqjfttn those are my install pics for reference
 

BL4K3Y

VIP Member
Jul 7, 2010
13,721
118
Colne, Lancashire (UK)
De-solder each wire apart from RB, 5V STBY and GND - these are the only wires you need soldered (along with the quick solder points) to be able to read/write to the console's NAND.

You should also set the switch to XB since the DemoN is installed to your console.

When you re-solder SBR, TX and RX, trim the excess off those wires.