From b572be348b15f0a06526374314bcd3abb180cdd5 Mon Sep 17 00:00:00 2001 From: "Mark D. Studebaker" Date: Sat, 10 Feb 2001 04:15:54 +0000 Subject: [PATCH] add clarification on Xeon support in adm1021 driver. git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1017 7894878c-1315-0410-8ee3-d5d059ff63e0 --- doc/chips/SUMMARY | 2 +- doc/chips/adm1021 | 18 +++++++++++++++--- 2 files changed, 16 insertions(+), 4 deletions(-) diff --git a/doc/chips/SUMMARY b/doc/chips/SUMMARY index 4a4bcf9e..dc01643a 100644 --- a/doc/chips/SUMMARY +++ b/doc/chips/SUMMARY @@ -47,7 +47,7 @@ adm1021 max1617a 2 - - - yes no thmc10 2 - - - yes no xeon 1 - - - yes no - (xeon - no detection - requires force parameter) + (xeon - no detection - requires force_adm1021 parameter) adm1025 adm1025 2 6 - - yes no diff --git a/doc/chips/adm1021 b/doc/chips/adm1021 index de652f65..1bec57f6 100644 --- a/doc/chips/adm1021 +++ b/doc/chips/adm1021 @@ -1,7 +1,7 @@ Kernel driver `adm1021.o' ========================= -Status: Complete; tested for most devices. +Status: Complete; tested for most devices except Xeon. Supported chips: * Analog Devices ADM1021 @@ -13,9 +13,10 @@ Supported chips: Addresses scanned: I2C 0x18 - 0x1a, 0x29 - 0x2b, 0x4c - 0x4e (inclusive) Datasheet: * Intel Xeon Processor - Prefix - any other - requires 'force' parameter - see MODPARMS file + Prefix - any other - requires 'force_adm1021' parameter - see MODPARMS file Addresses scanned: none Datasheet: Publicly available at Intel website + Status: Alpha, untested. * Maxim MAX1617 Prefix `max1617' Addresses scanned: I2C 0x18 - 0x1a, 0x29 - 0x2b, 0x4c - 0x4e (inclusive) @@ -88,12 +89,23 @@ If an alarm triggers, it will remain triggered until the hardware register is read at least once. This means that the cause for the alarm may already have disappeared! -This driver only updates its values each 1.5 seconds; reading it more often +This driver only updates its values each 1.5 seconds; reading it more often will do no harm, but will return 'old' values. It is possible to make ADM1021-clones do faster measurements, but there is really no good reason for that. +Xeon support +------------ +The Xeon support is untested. +The Xeon has only one sensor where the other devices have two. +Use 'force_adm1021=BUS,ADDRESS' as a modprobe parameter. +ADDRESS can only be 0x18, 0x1a, 0x29, 0x2b, 0x4c, or 0x4e. +The driver will report two temperatures but one will be invalid. +It is not clear if all Xeon processors have this feature. +Please report results. + + Chip Features -------------