diff options
Diffstat (limited to 'Documentation/hwmon/via686a')
| -rw-r--r-- | Documentation/hwmon/via686a | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/Documentation/hwmon/via686a b/Documentation/hwmon/via686a index b82014cb7c53..a936fb3824b2 100644 --- a/Documentation/hwmon/via686a +++ b/Documentation/hwmon/via686a @@ -18,8 +18,9 @@ Authors: Module Parameters ----------------- -force_addr=0xaddr Set the I/O base address. Useful for Asus A7V boards - that don't set the address in the BIOS. Does not do a +force_addr=0xaddr Set the I/O base address. Useful for boards that + don't set the address in the BIOS. Look for a BIOS + upgrade before resorting to this. Does not do a PCI force; the via686a must still be present in lspci. Don't use this unless the driver complains that the base address is not set. @@ -63,3 +64,15 @@ miss once-only alarms. The driver only updates its values each 1.5 seconds; reading it more often will do no harm, but will return 'old' values. + +Known Issues +------------ + +This driver handles sensors integrated in some VIA south bridges. It is +possible that a motherboard maker used a VT82C686A/B chip as part of a +product design but was not interested in its hardware monitoring features, +in which case the sensor inputs will not be wired. This is the case of +the Asus K7V, A7V and A7V133 motherboards, to name only a few of them. +So, if you need the force_addr parameter, and end up with values which +don't seem to make any sense, don't look any further: your chip is simply +not wired for hardware monitoring. |