diff --git a/src/board/system76/darp5/main.c b/src/board/system76/darp5/main.c
index 91f94eb..d4b8a0b 100644
--- a/src/board/system76/darp5/main.c
+++ b/src/board/system76/darp5/main.c
@@ -106,8 +106,8 @@ void main(void) {
         lid_event();
         // Checks for keyboard/mouse packets from host
         kbc_event(&KBC);
-        // Only run the following once out of every 256 loops
-        if (main_cycle == 0) {
+        // Only run the following once a second
+        if (time_get() % 1000 == 0) {
             // Updates fan status and temps
             peci_event();
             // Updates battery status
diff --git a/src/board/system76/darp5/peci.c b/src/board/system76/darp5/peci.c
index 9ab71e8..8dbc443 100644
--- a/src/board/system76/darp5/peci.c
+++ b/src/board/system76/darp5/peci.c
@@ -25,14 +25,10 @@ struct FanPoint {
 
 // Fan curve with temperature in degrees C, duty cycle in percent
 struct FanPoint __code FAN_POINTS[] = {
-    FAN_POINT(65,  30),
-    FAN_POINT(70,  35),
-    FAN_POINT(75,  40),
-    FAN_POINT(78,  45),
-    FAN_POINT(80,  50),
-    FAN_POINT(81,  55),
-    FAN_POINT(82,  65),
-    FAN_POINT(83,  75),
+    FAN_POINT(65,  40),
+    FAN_POINT(70,  45),
+    FAN_POINT(75,  55),
+    FAN_POINT(80,  75),
     FAN_POINT(84, 100),
 };
 
diff --git a/src/board/system76/galp3-c/main.c b/src/board/system76/galp3-c/main.c
index b3cab6b..ab3aaf7 100644
--- a/src/board/system76/galp3-c/main.c
+++ b/src/board/system76/galp3-c/main.c
@@ -108,8 +108,8 @@ void main(void) {
         lid_event();
         // Checks for keyboard/mouse packets from host
         kbc_event(&KBC);
-        // Only run the following once out of every 256 loops
-        if (main_cycle == 0) {
+        // Only run the following once a second
+        if (time_get() % 1000 == 0) {
             // Updates fan status and temps
             peci_event();
             // Updates battery status
diff --git a/src/board/system76/galp3-c/peci.c b/src/board/system76/galp3-c/peci.c
index 9ab71e8..8dbc443 100644
--- a/src/board/system76/galp3-c/peci.c
+++ b/src/board/system76/galp3-c/peci.c
@@ -25,14 +25,10 @@ struct FanPoint {
 
 // Fan curve with temperature in degrees C, duty cycle in percent
 struct FanPoint __code FAN_POINTS[] = {
-    FAN_POINT(65,  30),
-    FAN_POINT(70,  35),
-    FAN_POINT(75,  40),
-    FAN_POINT(78,  45),
-    FAN_POINT(80,  50),
-    FAN_POINT(81,  55),
-    FAN_POINT(82,  65),
-    FAN_POINT(83,  75),
+    FAN_POINT(65,  40),
+    FAN_POINT(70,  45),
+    FAN_POINT(75,  55),
+    FAN_POINT(80,  75),
     FAN_POINT(84, 100),
 };
 
diff --git a/src/board/system76/lemp9/main.c b/src/board/system76/lemp9/main.c
index 702c5cf..5faa370 100644
--- a/src/board/system76/lemp9/main.c
+++ b/src/board/system76/lemp9/main.c
@@ -110,8 +110,8 @@ void main(void) {
         lid_event();
         // Checks for keyboard/mouse packets from host
         kbc_event(&KBC);
-        // Only run the following once out of every 256 loops
-        if (main_cycle == 0) {
+        // Only run the following once a second
+        if (time_get() % 1000 == 0) {
             // Updates fan status and temps
             peci_event();
             // Updates battery status
diff --git a/src/board/system76/lemp9/peci.c b/src/board/system76/lemp9/peci.c
index 9ab71e8..8dbc443 100644
--- a/src/board/system76/lemp9/peci.c
+++ b/src/board/system76/lemp9/peci.c
@@ -25,14 +25,10 @@ struct FanPoint {
 
 // Fan curve with temperature in degrees C, duty cycle in percent
 struct FanPoint __code FAN_POINTS[] = {
-    FAN_POINT(65,  30),
-    FAN_POINT(70,  35),
-    FAN_POINT(75,  40),
-    FAN_POINT(78,  45),
-    FAN_POINT(80,  50),
-    FAN_POINT(81,  55),
-    FAN_POINT(82,  65),
-    FAN_POINT(83,  75),
+    FAN_POINT(65,  40),
+    FAN_POINT(70,  45),
+    FAN_POINT(75,  55),
+    FAN_POINT(80,  75),
     FAN_POINT(84, 100),
 };