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Subject[PATCH 3/3] acerhdf: Lowered default temp fanon/fanoff values
From: Peter Feuerer <>

Due to new supported hardware, of which the actual temperature limits of
processor, harddisk and other components are unknown, it feels safer
with lower fanon / fanoff settings.

It won't change much for most people, already using acerhdf, as they use
their own fanon/fanoff variable settings when loading the module.

Furthermore seems like kernel and userspace tools have been improved
to work more efficient and netbooks don't get so hot anymore.

Signed-off-by: Peter Feuerer <>
Cc: Borislav Petkov <>
Cc: Matthew Garrett <>
drivers/platform/x86/acerhdf.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c
index f15e320..833c0ec 100644
--- a/drivers/platform/x86/acerhdf.c
+++ b/drivers/platform/x86/acerhdf.c
@@ -83,8 +83,8 @@ static int kernelmode;

static unsigned int interval = 10;
-static unsigned int fanon = 63000;
-static unsigned int fanoff = 58000;
+static unsigned int fanon = 60000;
+static unsigned int fanoff = 53000;
static unsigned int verbose;
static unsigned int fanstate = ACERHDF_FAN_AUTO;
static char force_bios[16];

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