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add missing force_xxx documentation; work on as99127f section.

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git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1016 7894878c-1315-0410-8ee3-d5d059ff63e0
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Mark D. Studebaker committed 2001-02-10 03:37:50 +00:00
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doc/chips/w83781d
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@@ -6,7 +6,7 @@ Status: W83781D support is complete and well-tested.
W83783S support is complete but has not been well-tested.
W83627HF support is complete but has not been well-tested.
AS99127F support is BETA and has known problems due to lack of a
chip datasheet. See below.
chip datasheet. SEE BELOW.
Supported chips:
* Winbond W83781D
@@ -31,8 +31,8 @@ Supported chips:
Datasheet: Unavailable from Asus
Author: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock <phil@netroedge.com>,
and Mark Studebaker <mdsxyz123@yahoo.com>
Authors: Frodo Looijaard <frodol@dds.nl>, Philip Edelbrock <phil@netroedge.com>,
and Mark Studebaker <mdsxyz123@yahoo.com>
Module Parameters
@@ -43,12 +43,14 @@ Module Parameters
* force_w83781d: short array (min = 1, max = 48)
List of adapter,address pairs which are unquestionably assumed to contain
a `w83781d' chip
* force_w83782d: short array (min = 1, max = 48)
List of adapter,address pairs which are unquestionably assumed to contain
a `w83782d' chip
* force_w83783s: short array (min = 1, max = 48)
List of adapter,address pairs which are unquestionably assumed to contain
a `w83783s' chip
* force_w83782d:
Ditto
* force_w83783s:
Ditto
* force_w83627hf:
Ditto
* force_as99127f:
Ditto
* ignore: short array (min = 1, max = 48)
List of adapter,address pairs not to scan
* ignore_range: short array (min = 1, max = 48)
@@ -140,29 +142,50 @@ hardware registers are read whenever any data is read (unless it is less
than 1.5 seconds since the last update). This means that you can easily
miss once-only alarms.
The W8378* only updates its values each 1.5 seconds; reading it more often
The chips only update values each 1.5 seconds; reading them more often
will do no harm, but will return 'old' values.
W8378* PROBLEMS
-----------------
Known problems:
- Some chips are misidentified.
This is caused by the chip having the wrong WCHIPID register
value, so there is no fix. The workaround is to use the
force_CHIP parameter.
(modprobe w83781d force_CHIP=BUS,0x2d where CHIP is the chip name
and BUS is your i2c bus number)
AS99127F PROBLEMS
-----------------
The as99127f support was developed without the benefit of a datasheet.
In most cases it is treated as a w83781d.
This support is BETA. One user has reported problems with fans stopping
This support will be BETA until a datasheet is released.
One user has reported problems with fans stopping
occasionally.
Known problems:
- -12V readings a little high (-9.5V to -10.5V)
- Problems with diode/thermistor settings (supported?)
- fan_div register may not really be fan_div.
- One user reports fans stopping under high server load.
These will not be fixed unless we get a datasheet.
If you have problems, please lobby Asus to release a datasheet.
Note that the individual beep bits are inverted from the other chips.
That is, in the second entry in the 'beep' file, a '1' bit means
disable, not enable.
disable, not enable. This may be changed in the future.
Known problems:
- Problems with diode/thermistor settings (supported?)
- fan_div register may not really be fan_div.
- One user reports fans stopping under high server load.
- Some as99127f chips are misidentified as a w83781d or w83782d.
This is caused by the chip having the wrong WCHIPID register
value, so there is no fix. The workaround is to use the
force_as99127f parameter.
(modprobe w83781d force_as99127f=BUS,0x2d where BUS is your i2c bus number)
These will not be fixed unless we get a datasheet.
If you have problems, please lobby Asus to release a datasheet.
Unfortunately several others have without success.
Please do not send mail to us asking for better as99127f support.
We have done the best we can without a datasheet.
Please do not send mail to the author or the sensors group asking for
a datasheet or ideas on how to convince Asus. We can't help.
Chip Features