Documentation/hwmon/pc87360.rst

10     Addresses scanned: none, address read from Super I/O config space
22 -----------------
27     - 0: None
28     - **1**: Forcibly enable internal voltage and temperature channels,
30     - 2: Forcibly enable all voltage and temperature channels, except in9
31     - 3: Forcibly enable all voltage and temperature channels, including in9
42 -----------
44 The National Semiconductor PC87360 Super I/O chip contains monitoring and
48 The National Semiconductor PC87365 and PC87366 Super I/O chips are complete
56   PC87360     -       2       2       -       0xE1
57   PC87363     -       2       2       -       0xE8
58   PC87364     -       3       3       -       0xE4
60   PC87366     11      3       3       3-4     0xE9
64 standard Super I/O addresses is used (0x2E/0x2F or 0x4E/0x4F)
67 --------------
70 is triggered if the rotation speed has dropped below a programmable limit.
71 A different alarm is triggered if the fan speed is too low to be measured.
83     divider     speed (RPM)     RPM (RPM)       speed (RPM)
93  * slowest measurable speed: clock/(255*divider)
95  * highest accurate speed: sqrt(clock*100)
97 The clock speed for the PC87360 family is 480 kHz. I arbitrarily chose 100
109 -----------
112 that the fan is stopped, and 255 meaning that the fan goes at full speed.
115 non-zero, can stop the fan, which may cause irreversible damage to your
120 speed readings. No explanation nor fix could be found.
124 ----------------------
138 voltages, and converted into temperatures in user-space.
150 ------------------
168 The driver will default to VRM 9.0, but this can be changed from user-space.
169 The chipsets can handle two sets of VID inputs (on dual-CPU systems), but
175 ---------------
182 a once-only alarm triggers, it may take 2 seconds for it to show, and 2
194 -----------