Hfa cooling remains satisfactory down to a minimum fanspeed of 5%
diff --git a/driver-hashfast.h b/driver-hashfast.h
index 4adeb0f..cf8b28a 100644
--- a/driver-hashfast.h
+++ b/driver-hashfast.h
@@ -37,7 +37,7 @@ char *set_hfa_fan(char *arg);
#define HFA_TEMP_HYSTERESIS 3
#define HFA_FAN_DEFAULT 33
#define HFA_FAN_MAX 85
-#define HFA_FAN_MIN 10
+#define HFA_FAN_MIN 5
// Matching fields for hf_statistics, but large #s for local accumulation, per-die
struct hf_long_statistics {