dual xeon info

git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2134 7894878c-1315-0410-8ee3-d5d059ff63e0

doc/chips/adm1021

@@ -149,6 +149,10 @@ If the adm1021 module doesn't load, you should try two things:
 	2) modprobe xeontemp
 	See if you have one valid temperature.
 
+If you have dual Xeons you may have appear to have two separate
+adm1021-compatible chips, or two single-temperature sensors,
+at distinct addresses.
+
 Pick the best module for your processor based on the results.
 See the xeontemp documentation for further information.
 

doc/chips/xeontemp

@@ -91,6 +91,10 @@ the adm1021 driver, and the address is one of
 adm1021 driver, temp1 is invalid but temp2 looks correct, then
 it is likely you should use the xeontemp driver instead.
 
+If you have dual Xeons you may have appear to have two separate
+adm1021-compatible chips, or two single-temperature sensors,
+at distinct addresses.
+
 In summary, the xeontemp module supports one temperature and the 
 adm1021 module supports two. Use the module that works best for you.