diff options
Diffstat (limited to 'Documentation/hwmon/it87')
| -rw-r--r-- | Documentation/hwmon/it87 | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 23b7def21ba8..87850d86c559 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -30,6 +30,14 @@ Supported chips: Prefix: 'it8728' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8782F + Prefix: 'it8782' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available + * IT8783E/F + Prefix: 'it8783' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * SiS950 [clone of IT8705F] Prefix: 'it87' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -63,7 +71,7 @@ Module Parameters Hardware Interfaces ------------------- -All the chips suported by this driver are LPC Super-I/O chips, accessed +All the chips supported by this driver are LPC Super-I/O chips, accessed through the LPC bus (ISA-like I/O ports). The IT8712F additionally has an SMBus interface to the hardware monitoring functions. This driver no longer supports this interface though, as it is slower and less reliable @@ -75,7 +83,8 @@ Description ----------- This driver implements support for the IT8705F, IT8712F, IT8716F, -IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips. +IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F, +IT8783E/F, and SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -99,11 +108,11 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions have support for 2 additional fans. The additional fans are supported by the driver. -The IT8716F, IT8718F, IT8720F and IT8721F/IT8758E, and late IT8712F and -IT8705F also have optional 16-bit tachometer counters for fans 1 to 3. This -is better (no more fan clock divider mess) but not compatible with the older -chips and revisions. The 16-bit tachometer mode is enabled by the driver when -one of the above chips is detected. +The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8782F, IT8783E/F, and late +IT8712F and IT8705F also have optional 16-bit tachometer counters for fans 1 to +3. This is better (no more fan clock divider mess) but not compatible with the +older chips and revisions. The 16-bit tachometer mode is enabled by the driver +when one of the above chips is detected. The IT8726F is just bit enhanced IT8716F with additional hardware for AMD power sequencing. Therefore the chip will appear as IT8716F @@ -131,9 +140,10 @@ inputs can measure voltages between 0 and 4.08 volts, with a resolution of 0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery voltage in8 does not have limit registers. -On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside -the chip (in7, in8 and optionally in3). The driver handles this transparently -so user-space doesn't have to care. +On the IT8721F/IT8758E, IT8782F, and IT8783E/F, some voltage inputs are +internal and scaled inside the chip (in7 (optional for IT8782F and IT8783E/F), +in8 and optionally in3). The driver handles this transparently so user-space +doesn't have to care. The VID lines (IT8712F/IT8716F/IT8718F/IT8720F) encode the core voltage value: the voltage level your processor should work with. This is hardcoded by |
