1Kernel driver emc6w201 2====================== 3 4Supported chips: 5 6 * SMSC EMC6W201 7 8 Prefix: 'emc6w201' 9 10 Addresses scanned: I2C 0x2c, 0x2d, 0x2e 11 12 Datasheet: Not public 13 14Author: Jean Delvare <jdelvare@suse.de> 15 16 17Description 18----------- 19 20From the datasheet: 21 22"The EMC6W201 is an environmental monitoring device with automatic fan 23control capability and enhanced system acoustics for noise suppression. 24This ACPI compliant device provides hardware monitoring for up to six 25voltages (including its own VCC) and five external thermal sensors, 26measures the speed of up to five fans, and controls the speed of 27multiple DC fans using three Pulse Width Modulator (PWM) outputs. Note 28that it is possible to control more than three fans by connecting two 29fans to one PWM output. The EMC6W201 will be available in a 36-pin 30QFN package." 31 32The device is functionally close to the EMC6D100 series, but is 33register-incompatible. 34 35The driver currently only supports the monitoring of the voltages, 36temperatures and fan speeds. Limits can be changed. Alarms are not 37supported, and neither is fan speed control. 38 39 40Known Systems With EMC6W201 41--------------------------- 42 43The EMC6W201 is a rare device, only found on a few systems, made in 442005 and 2006. Known systems with this device: 45 46* Dell Precision 670 workstation 47* Gigabyte 2CEWH mainboard 48