VRM modify ICC_MAX to run high TDC OEM cpu

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kold

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Do I have any luck with an X11SPW-TF ? I tried to scan with MCP2221a but didn't find anything
 

RolloZ170

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kold

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savio

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Hi Rollo, is it known what VRM the X11DDW-NT board uses? and any differences between rev 1.11 and 1.2? I saw it listed as compatible with the mod, however both CPU1 and CPU2 do not seem to have a VRM heatsink, will there be any possible issues causing blown VRM? Thanks!
 

RolloZ170

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Hi Rollo, is it known what VRM the X11DDW-NT board uses? and any differences between rev 1.11 and 1.2?
not much diff. same controller, but if you use MCP2221a it doesn't matter which.
both CPU1 and CPU2 do not seem to have a VRM heatsink, will there be any possible issues causing blown VRM?
it is a server motherboard for 1U/2U chassis with jet-air FANs. the Heasinks would disturb the Airflow,
note the motherboard PCB is also a heatsink, the VRM poer stages are soldered to copper, and the coils/chokes can sink heat.
179233281xxx.jpgif you want to use the board in a Desktop case install proper cooling.
take care of other components like BMC chip etc, all need at least a little airflow to stay alive.
 

savio

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May 21, 2025
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not much diff. same controller, but if you use MCP2221a it doesn't matter which.

it is a server motherboard for 1U/2U chassis with jet-air FANs. the Heasinks would disturb the Airflow,
note the motherboard PCB is also a heatsink, the VRM poer stages are soldered to copper, and the coils/chokes can sink heat.
View attachment 43917if you want to use the board in a Desktop case install proper cooling.
take care of other components like BMC chip etc, all need at least a little airflow to stay alive.
@RolloZ170 thanks for the details. Since I am using it in a desktop case, will it be better to stick with a X11 DPI with a higher revision no. like 2.01a and install the VRM heatsink for CPU1? will that be sufficient with the updated VRM controller and proper cooling, or should I be looking at other boards? Thanks!
 

RolloZ170

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Since I am using it in a desktop case, will it be better to stick with a X11 DPI with a higher revision no. like 2.01a and install the VRM heatsink for CPU1?
correct, but you need a little airflow in any CASE, for small parts and 10G NIC.
compare pictures from worksation boards, Heatsinks everywhere, sometimes PCH(chipset) FANs...
 
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savio

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May 21, 2025
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Hi Rollo, I found that X11DPG-QT is even better for tower case use with 2 VRM heatsinks pre-installed. How do I check the VRM chip installed for say rev 1.10a vs rev 1.02 of that board? are there VRM chips that are improved and less likely to be problematic? Thanks!
 

RolloZ170

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How do I check the VRM chip installed for say rev 1.10a vs rev 1.02 of that board? are there VRM chips that are improved and less likely to be problematic?
only the X11DPi-N(T) changed VRM vendor over time.
X11DPG-QT is best choose because VRM power-stages 6+1
 
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zhengyu

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Feb 19, 2025
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Hi Rollo! Nice to meet you on STH forums!
Could you write a program for 4677 platform motherboard about high TDP CPU.Just like this 3647 platform use mcp2221a to change TDP

and how to change the 4677'BIOS to adapt the ES CPU
THANK YOU VERY MUCH!