summaryrefslogtreecommitdiff
path: root/doc/vid
diff options
context:
space:
mode:
authorJean Delvare <khali@linux-fr.org>2009-01-27 12:59:42 +0000
committerJean Delvare <khali@linux-fr.org>2009-01-27 12:59:42 +0000
commitcf09a7e43ab19550941cbf2c5f89cd33719ae966 (patch)
tree4be4f42bc649e6746bc4f9eea80eeb34b261bd5b /doc/vid
parentba87a1f6732288278e31e216f1cd355fb55c4904 (diff)
downloadlm-sensors-git-cf09a7e43ab19550941cbf2c5f89cd33719ae966.tar.gz
There can be more than 6 VID pins.
git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@5626 7894878c-1315-0410-8ee3-d5d059ff63e0
Diffstat (limited to 'doc/vid')
-rw-r--r--doc/vid10
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/vid b/doc/vid
index 565774d3..26d9fba6 100644
--- a/doc/vid
+++ b/doc/vid
@@ -12,12 +12,14 @@ output to a certain voltage. These pins are also connected to
the sensor chip so that the VID setting can be read back
by applications.
-There are generally 5 VID pins. Recent motherboards may use 6 pins.
-The VID codes are defined by Intel in documents titled
-"VRM X.X DC-DC Converter Design Guidelines".
+There are between 4 and 8 VID pins (the more recent the CPU, the more
+numerous the VID pins.) The VID codes are defined by Intel in documents
+titled "VRM X.X DC-DC Converter Design Guidelines".
(VRM = Voltage Regulator Module), or
-"Voltage Regulator-Down (VRD) 10.0 Design Guide".
+"Voltage Regulator-Down (VRD) X.X Design Guide".
These documents are available at http://developer.intel.com.
+There are equivalent documents for AMD processors (look for a table
+named "VID Code Voltages" in processor specifications.)
There are several different VRM document versions.
The common versions are as follows: