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Xbox-Hq.Com :: View topic - [Solved]: v1.0 OpenXenium Frag, Fresh install
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 [Solved]: v1.0 OpenXenium Frag, Fresh install View previous topic :: View next topic  
 
 
 
 
FenrirOorgata
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Xbox Version: v1.0
Modded: OpenXenium

Joined: May 06, 2021
Posts: 5

Post Posted: Thu May 06, 2021 8:42 pm   
Post subject: [Solved]: v1.0 OpenXenium Frag, Fresh install
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Hello, new here. Loved my xbox many years and recently decided to take the plunge into modding it after I recently helped a friend mod a different console.

I desoldered the LPC header holes, tested the device, successful boot.
I soldered on the LPC pin header, tested the device, successful boot.
I soldered d0 from the back of the board, through empty pin 15/16, and up to the OpenXenium chip. Verified continuity between the d0 pad on the modchip and the d0 location on the top of the mobo so I could verify that the two were connected. At this point, with the mod chip disconnected, boots normally.
Plugged the modchip in, frags
tried bridging the recovery pads, still frags
Tried booting with eject, still frags
Double checked that there was no continuity between d0 and any other adjacent pads
Double checked that all adjacent pins on LPC came back negative for continuity.
Still frags.
Unplugged the modchip, leaving d0 connected, boots fine.

Also tried out a different OpenXenium chip. I had misplaced my original, so I ordered a second from a different vendor on ebay, both had good reviews, and both assured me before purchase that they came preloaded with XeniumOS.

I should also mention that I'm aware of https://github.com/Ryzee119/OpenXenium/issues/6, but I assume that should only happen *after* booting into XeniumOS, which currently fails

Any ideas? I feel like I've tried almost everything to debug this here... Thanks in advance.


Quote:
EDIT: Solved! I counted 3 down for d0 from the wrong direction. Fixed by soldering the correct d0 point



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bottom of board, LPC pin header and d0
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photo_2021-05-06_16-38-17.jpg
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top of board, LPC pin header and d0 wire
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photo_2021-05-06_16-38-21.jpg
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OpenXenium modchip installed with d0 wire
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Last edited by FenrirOorgata on Sun Jun 20, 2021 9:42 pm; edited 1 time in total


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kaos_engr
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Posts: 160

Post Posted: Fri May 07, 2021 3:13 am   
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Reflow (reheat) - do not add any more solder - to the LPC debug header connections on the bottom of the motherboard. It looks like the solder has balled up on top of each pin. It has not flowed into the feed-through hole and around the pin to make a good electrical connection.

See: https://learn.adafruit.com/adafruit-guide-excellent-soldering/common-problems

There also should be no solder on that D0 wire going back across other traces. The solder should only be at the wire connected to the small pad it connects to.


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FenrirOorgata
Xbox-HQ Newbie
Xbox-HQ Newbie

Xbox Version: v1.0
Modded: OpenXenium

Joined: May 06, 2021
Posts: 5

Post Posted: Fri May 07, 2021 3:16 am   
Post subject:
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kaos_engr wrote:
Reflow (reheat) - do not add any more solder - to the LPC debug header connections on the bottom of the motherboard. It looks like the solder has balled up on top of each pin. It has not flowed into the feed-through hole and around the pin to make a good electrical connection.

See: https://learn.adafruit.com/adafruit-guide-excellent-soldering/common-problems

There also should be no solder on that D0 wire going back across other traces. The solder should only be at the wire connected to the small pad it connects to.


Thanks for the suggestions. I'll give it a try first thing in the morning. Greatly appreciate it.


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FenrirOorgata
Xbox-HQ Newbie
Xbox-HQ Newbie

Xbox Version: v1.0
Modded: OpenXenium

Joined: May 06, 2021
Posts: 5

Post Posted: Fri May 07, 2021 5:24 pm   
Post subject:
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kaos_engr wrote:
Reflow (reheat) - do not add any more solder - to the LPC debug header connections on the bottom of the motherboard. It looks like the solder has balled up on top of each pin. It has not flowed into the feed-through hole and around the pin to make a good electrical connection.

See: https://learn.adafruit.com/adafruit-guide-excellent-soldering/common-problems

There also should be no solder on that D0 wire going back across other traces. The solder should only be at the wire connected to the small pad it connects to.


Alright, did my best. Here's an updated picture. Still frags. Trimmed back d0 wire so less exposed, verified d0 connectivity. Reflowed all the LPC header pins with some flux, cleaned it up. Fragged. Then, just as a basic troubleshoot step, I checked voltage between LPC contact points on the modchip while it was powered up, and 2,4,6,9,12 all report back the proper voltages.

Does that look better? Any other ideas?

Thanks again in advance.



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kaos_engr
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Post Posted: Thu May 13, 2021 4:56 am   
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Hard to tell if the soldering is better, the picture is blurry to me.

> tried bridging the recovery pads, still frags

On an OpenXenium modchip, this may not work. It all depends which XeniumOS binary file is stored on the modchip. The recovery BIOS is missing from most of the XeniumOS files present on the Internet. It was programmed onto original Xenium modchips when produced and not present in any BIOS updates.


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FenrirOorgata
Xbox-HQ Newbie
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Xbox Version: v1.0
Modded: OpenXenium

Joined: May 06, 2021
Posts: 5

Post Posted: Thu Jun 17, 2021 6:38 pm   
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Sorry for the delay. Uploaded a new photo after reflowing the solder several times (both in hopes that a different attempt would work, as well as trying to conform to that guide you sent). I also tried an Aladdin XT-4032 which the seller claimed had EvoX M8plus 16 preflashed.

Still FRAGed. Also tried soldering the d0 to ground, no improvement.

Any other ideas/suggestions?



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kaos_engr
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Post Posted: Sun Jun 20, 2021 3:30 am   
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Oh, wait! I should have noticed it in the first set of pictures posted too.

You've soldered to the wrong pad for D0.

Check this image for the location. It's 3rd down from the opposite end of that row of 8 test pads on the bottom of the motherboard.


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FenrirOorgata
Xbox-HQ Newbie
Xbox-HQ Newbie

Xbox Version: v1.0
Modded: OpenXenium

Joined: May 06, 2021
Posts: 5

Post Posted: Sun Jun 20, 2021 9:40 pm   
Post subject:
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kaos_engr wrote:
Oh, wait! I should have noticed it in the first set of pictures posted too.

You've soldered to the wrong pad for D0.

Check this image for the location. It's 3rd down from the opposite end of that row of 8 test pads on the bottom of the motherboard.


Oh man! You are absolutely right. I counted 3 from the wrong direction. Booted up perfectly now! Thank you so much


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