diff --git a/CHANGES b/CHANGES
index ce9150b0..54f04ee1 100644
--- a/CHANGES
+++ b/CHANGES
@@ -21,6 +21,7 @@ SVN-HEAD
                   Add detection for National Semiconductor LM73
                   Add SMBus detection for AMD Hudson-2
                   Add detection for Nuvoton W83667HG-B and W83677HG-I
+                  Add detection for Analog Devices ADT7490
   sysconfig-lm_sensors-convert: Fix exit code
 
 3.1.1 (2009-06-21)
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 3c485d45..0fc5f6fb 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -581,6 +581,11 @@ use vars qw(@i2c_adapter_names);
 		driver => "to-be-written",
 		i2c_addrs => [0x2c..0x2e],
 		i2c_detect => sub { adt7467_detect(@_, 1); },
+	}, {
+		name => "Analog Devices ADT7490",
+		driver => "to-be-written",
+		i2c_addrs => [0x2c..0x2e],
+		i2c_detect => sub { adt7490_detect(@_); },
 	}, {
 		name => "Andigilog aSC7511",
 		driver => "to-be-written",
@@ -4284,6 +4289,20 @@ sub adt7473_detect
 	return 5;
 }
 
+# Registers used:
+#   0x3e: Manufacturer ID
+#   0x3f: Chip ID
+sub adt7490_detect
+{
+	my ($file, $addr, $chip) = @_;
+	my $mid = i2c_smbus_read_byte_data($file, 0x3e);
+	my $cid = i2c_smbus_read_byte_data($file, 0x3f);
+
+	return if $mid != 0x41;			# Analog Devices
+	return if ($cid & 0xfc) != 0x6c;	# ADT7490
+	return 5;
+}
+
 # Chip to detect: 0 = aSC7512, 1 = aSC7611, 2 = aSC7621
 # Registers used:
 #   0x3e: Manufacturer ID