From 08fbb96be269efeeefb74291b9105e7b1a7c46fa Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Fri, 21 May 2004 12:32:10 +0000 Subject: [PATCH] Thermal diodes and thermistors of the PC87366 share pins. git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2556 7894878c-1315-0410-8ee3-d5d059ff63e0 --- doc/chips/SUMMARY | 2 +- doc/chips/pc87360 | 15 +++++++++++++++ 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/doc/chips/SUMMARY b/doc/chips/SUMMARY index 21e64fa3..ba68b562 100644 --- a/doc/chips/SUMMARY +++ b/doc/chips/SUMMARY @@ -162,7 +162,7 @@ pc87360 pc87363 - - 2 2 pwm no yes (LPC) pc87364 - - 3 3 pwm no yes (LPC) pc87365 2 11 3 3 pwm no yes (LPC) - pc87366 6 11 3 3 pwm no yes (LPC) + pc87366 3-4 11 3 3 pwm no yes (LPC) sis5595 sis5595 0-1 4-5 2 - no yes diff --git a/doc/chips/pc87360 b/doc/chips/pc87360 index 3cf15acb..fd1ab145 100644 --- a/doc/chips/pc87360 +++ b/doc/chips/pc87360 @@ -29,6 +29,13 @@ init (int): 2: Forcibly enable all voltage and temperature channels, except in9 3: Forcibly enable all voltage and temperature channels, including in9 +Note that this parameter has no effect for the PC87360, PC87363 and PC87364 +chips. + +Also note that for the PC87366, initialization levels 2 and 3 don't enable +all temperature channels, because some of them share pins with each other, +so they can't be used at the same time. + Description ----------- @@ -117,6 +124,14 @@ channels). For technical reasons, these channels are held by the VLM measurement) one. As a consequence, these temperatures are exported as voltages, and converted into temperatures in user-space. +Note that these three additional channels share their pins with the +external thermal diode channels, so you (physically) can't use them all at +the same time. Although it should be possible to mix the two sensor types, +the documents from National Semiconductor suggest that motherboard +manufacturers should choose one type and stick to it. So you will more +likely have either channels 1 to 3 (thermal diodes) or 3 to 6 (internal +thermal diode, and thermistors). + Voltage Monitoring ------------------