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From 9de22620c8876ddfa15a452d5435405f43e8a1fd Mon Sep 17 00:00:00 2001
From: Erich Ritz <erich.public@protonmail.com>
Date: Wed, 23 Mar 2022 08:28:57 -0500
Subject: [PATCH] Make xeon fan curve more aggressive
I've been suffering from occasional power offs with no warning, and I
suspect the CPU is getting too hot. On the most recent power off, the
computer once again powered down during the bootup phase (before the EFI
boot screen). To me this solidified my suspicions.
I have a a thelio-massive-b1 with 2
Intel(R) Xeon(R) Gold 6238 CPU @ 2.10GHz
I patched the source making the xeon fan curve more aggressive and the
maximum CPU temperatures are now a little lower. Under low system load
there is no noticable difference in fan speed.
Plots of CPU temperature, fan speed, and fan command are attached as
comments to the commit on GitHub.
Signed-off-by: Erich Ritz <erich.public@protonmail.com>
---
src/fan.rs | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)
diff --git a/src/fan.rs b/src/fan.rs
index c0fca10..73e284c 100644
--- a/src/fan.rs
+++ b/src/fan.rs
@@ -271,13 +271,12 @@ impl FanCurve {
.append(50_00, 40_00)
.append(55_00, 45_00)
.append(60_00, 50_00)
- .append(65_00, 55_00)
- .append(70_00, 60_00)
- .append(72_00, 65_00)
- .append(74_00, 80_00)
- .append(76_00, 85_00)
- .append(77_00, 90_00)
- .append(78_00, 100_00)
+ .append(62_00, 60_00)
+ .append(64_00, 65_00)
+ .append(66_00, 80_00)
+ .append(68_00, 85_00)
+ .append(69_00, 90_00)
+ .append(70_00, 100_00)
}
pub fn get_duty(&self, temp: i16) -> Option<u16> {
--
2.35.6
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