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IJskonijns Mac Pro 1.1 casemod - Ryzen 3600x + RTX2070S

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Motherboard
ASRock B550M
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Ryzen 3600X
Graphics
RTX 2070 Super
Mac
  1. Mac Pro
Mobile Phone
  1. Android
Here are some pics of the board.
Looks like the resistors combined are around 300 ohms.
The last part of the original jack sensing stuff was some smd resistor. That was roasted in two with the soldering iron, so that the bridge is the only path to the jack plug.
In short: the resistors go directly from the 8pin to the last part of the board before the jack plug.

I hope this helps more people to make this work!


Now that I have looked at the other threads with the wiring again, I see that these resistors are for the power LED.
The jack sensing stuff was done in a similar way, but with a resistor in the wiring harness.
 

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Joined
Nov 11, 2020
Messages
28
Motherboard
Asus H410M-E
CPU
I9-10900
Graphics
GTX 1080 Ti
Thanks for the reply to this important info. I have a newer version of that board - the 44 pin small one, so I cannot do this directly as you, but I will experiment with the value of these resistors at around 300 Ohm and see if I can make it work.
Thanks again!
Kind regards,
Laverda.
 
Joined
May 27, 2020
Messages
19
Motherboard
ASRock B550M
CPU
Ryzen 3600X
Graphics
RTX 2070 Super
Mac
  1. Mac Pro
Mobile Phone
  1. Android
Thanks for the reply to this important info. I have a newer version of that board - the 44 pin small one, so I cannot do this directly as you, but I will experiment with the value of these resistors at around 300 Ohm and see if I can make it work.
Thanks again!
Kind regards,
Laverda.
We basically bypassed all of the mac sensing stuff and added our own with the resistors.
So if you know the right pin and go to the last solder point before the jack, you can do the same
 
Joined
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Messages
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Motherboard
Asus H410M-E
CPU
I9-10900
Graphics
GTX 1080 Ti
Yes I do, and I think I can do that.
Thanks a lot.
Kind regards,
Laverda
 
Joined
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Messages
19
Motherboard
ASRock B550M
CPU
Ryzen 3600X
Graphics
RTX 2070 Super
Mac
  1. Mac Pro
Mobile Phone
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Thank you!

The links to wiring are here:
https://www.tonymacx86.com/threads/neilharts-mac-pro-hack.28892/post-185303
https://www.tonymacx86.com/threads/correction-to-aquamacs-macpro-front-panel-usb-wiring.59432/
https://www.tonymacx86.com/threads/wiring-the-power-button-mac-pro-2006.184381/
https://www.tonymacx86.com/threads/mac-pro-front-panel-wiring.99003/

I think I used the corrected USB wiring and the rest of the wiring like in the front panel wiring picture (link 4) + the description in neilharts thread.

The hdd case isn't sold anymore I think. I got it second hand.
It's called: Macally g-s350
 
Joined
May 27, 2020
Messages
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Motherboard
ASRock B550M
CPU
Ryzen 3600X
Graphics
RTX 2070 Super
Mac
  1. Mac Pro
Mobile Phone
  1. Android
Now that I see the pinouts again, I need to correct my other posts about the jack sensing.
The resistors in the picture are for the power led
 
Joined
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Messages
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ASRock B550M
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Ryzen 3600X
Graphics
RTX 2070 Super
Mac
  1. Mac Pro
Mobile Phone
  1. Android
Joined
Jan 21, 2021
Messages
11
Motherboard
Gigabyte Z490 Vision D
CPU
i9-10900K
Graphics
RX 6900 XT
@IJskonijn
hey thank you for the links. I will look through the posts and see if i can adopt the audio jack sensing to my build.
I will let you know.
 
Joined
Feb 5, 2015
Messages
32
Motherboard
Lenovo P520C
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W-2150B
Graphics
RX 580
Mac
  1. iMac
  2. MacBook Pro
  3. Mac Pro
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  1. iOS
It looks like the 2006/2008 cases are better for PC mod.

Firstly the front fans are two 120 instead of one 120 plus a 92, so there should be more airflow for the GPU chamber.

Secondly, the RAM cage is separate from the wind tunnel assembly, it will be easier to access to the CPU cooler.
 
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