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Winbond W83783S (sensor)

Added by ALMICO on 04 jun 2001

The W83783S can be used to monitor several critical hardware parameters of the system, including power supply voltages, fan speeds, and temperatures, which are very important for a high-end computer system to work stable and properly. W83783S provides I2C serial bus interface. An 8-bit analog-to-digital converter (ADC) was built inside W83783S. The W83783S can monitor 6 analog voltage inputs, 3 fan tachometer inputs, and 3 remote temperature. The remote temperature sensing can be performed by thermistors, or 2N3904 NPN-type transistors, or directly from Intel Deschutes CPU thermal diode output. Also the W83783S provides: 2 PWM (pulse width modulation) outputs for the fan speed control; beep tone output for warning; SMI#, OVT#, GPO# signals for system protection events. Through the application software or BIOS, the users can read all the monitored parameters of system from time to time. And a pop-up warning can be also activated when the monitored item was out of the proper/preset range. Also the users can set up the upper and lower limits (alarm thresholds) of these monitored parameters and to activate one programmable and maskable interrupts. An optional beep tone could be used as warning signal when the monitored parameters is out of the preset range. Additionally, 5 VID inputs are provided to read the VID of CPU (i.e. Pentium II) if applicable. This is to provide the Vcore voltage correction automatically. Also W83783S uniquely provides an optional feature: early stage (before BIOS was loaded) beep warning. This is to detect if the fatal elements present (Vcore or +3.3V) fail, and the system can not be booted up.

Feature Date Vote Voted by Comment
Power 17 jun 2007 7 DIAMONDO25
27 feb 2005 7 RAUBWANZE
my first named kontakt with pc-sensor-chips.nice little new world
Reliability 17 jun 2007 9 DIAMONDO25
27 feb 2005 6 RAUBWANZE
i hope
Ease of use 17 jun 2007 7 DIAMONDO25
27 feb 2005 8 RAUBWANZE
Features 17 jun 2007 4 DIAMONDO25
mmmh. i have 4 fans, and only my cpu fan shows more than 1rpm!
27 feb 2005 5 RAUBWANZE

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