| R.Marek@sh.cvut.cz | 7f15b66 | 2005-05-26 12:42:19 +0000 | [diff] [blame^] | 1 | Kernel driver w83627hf |
| 2 | ====================== |
| 3 | |
| 4 | Supported chips: |
| 5 | * Winbond W83627HF (ISA accesses ONLY) |
| 6 | Prefix: 'w83627hf' |
| 7 | Addresses scanned: ISA address retrieved from Super I/O registers |
| 8 | Datasheet: http://www.winbond.com/PDF/sheet/w83627hf.pdf |
| 9 | * Winbond W83627THF |
| 10 | Prefix: 'w83627thf' |
| 11 | Addresses scanned: ISA address retrieved from Super I/O registers |
| 12 | Datasheet: http://www.winbond.com/PDF/sheet/w83627thf.pdf |
| 13 | * Winbond W83697HF |
| 14 | Prefix: 'w83697hf' |
| 15 | Addresses scanned: ISA address retrieved from Super I/O registers |
| 16 | Datasheet: http://www.winbond.com/PDF/sheet/697hf.pdf |
| 17 | * Winbond W83637HF |
| 18 | Prefix: 'w83637hf' |
| 19 | Addresses scanned: ISA address retrieved from Super I/O registers |
| 20 | Datasheet: http://www.winbond.com/PDF/sheet/w83637hf.pdf |
| 21 | |
| 22 | Authors: |
| 23 | Frodo Looijaard <frodol@dds.nl>, |
| 24 | Philip Edelbrock <phil@netroedge.com>, |
| 25 | Mark Studebaker <mdsxyz123@yahoo.com>, |
| 26 | Bernhard C. Schrenk <clemy@clemy.org> |
| 27 | |
| 28 | Module Parameters |
| 29 | ----------------- |
| 30 | |
| 31 | * force_addr: int |
| 32 | Initialize the ISA address of the sensors |
| 33 | * force_i2c: int |
| 34 | Initialize the I2C address of the sensors |
| 35 | * init: int |
| 36 | (default is 1) |
| 37 | Use 'init=0' to bypass initializing the chip. |
| 38 | Try this if your computer crashes when you load the module. |
| 39 | |
| 40 | Description |
| 41 | ----------- |
| 42 | |
| 43 | This driver implements support for ISA accesses *only* for |
| 44 | the Winbond W83627HF, W83627THF, W83697HF and W83637HF Super I/O chips. |
| 45 | We will refer to them collectively as Winbond chips. |
| 46 | |
| 47 | This driver supports ISA accesses, which should be more reliable |
| 48 | than i2c accesses. Also, for Tyan boards which contain both a |
| 49 | Super I/O chip and a second i2c-only Winbond chip (often a W83782D), |
| 50 | using this driver will avoid i2c address conflicts and complex |
| 51 | initialization that were required in the w83781d driver. |
| 52 | |
| 53 | If you really want i2c accesses for these Super I/O chips, |
| 54 | use the w83781d driver. However this is not the preferred method |
| 55 | now that this ISA driver has been developed. |
| 56 | |
| 57 | Technically, the w83627thf does not support a VID reading. However, it's |
| 58 | possible or even likely that your mainboard maker has routed these signals |
| 59 | to a specific set of general purpose IO pins (the Asus P4C800-E is one such |
| 60 | board). The w83627thf driver now interprets these as VID. If the VID on |
| 61 | your board doesn't work, first see doc/vid in the lm_sensors package. If |
| 62 | that still doesn't help, email us at lm-sensors@lm-sensors.org. |
| 63 | |
| 64 | For further information on this driver see the w83781d driver |
| 65 | documentation. |
| 66 | |