Method of monitoring device on AGP plate and its device
A device and monitoring chip technology, applied in hardware monitoring, energy-saving computing, climate sustainability, etc., can solve problems such as inability to adjust fan speed, noise, and inability to know the status, achieving methods and devices that are simple and easy to implement and have broad application prospects , the effect of high cost performance
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Embodiment 1
[0050] Such as figure 2 , in this example, SMBCLK and SMBDAT are connected to the monitoring chip on the AGP board, that is, connected to pin 7 and pin 8 of LM63. The LM63 chip is used as the monitoring chip in the circuit. Here LM63 is a slave device on the SMBus, and the device address of LM63 is 1001100 , the main functions of LM63 are as follows:
[0051] Use 2N3904 transistor or PN junction temperature measurement, D+, D- terminal input
[0052] Automatic correction of self-heating effects
[0053] ·Support P4 processor or GPU built-in diode temperature measurement method
[0054] Integrated PWM fan speed control function, PWM terminal output
[0055] · Programmable 8-level variable speed adjustment to reduce noise
[0056] ·With fan speed counting, TACH terminal input
[0057] · Register Compensation Offset Temperature
[0058] ·Multi-function anti-ALERT / speed counter selection input
[0059] 10-digit counting, the minimum temperature resolution is 0.125 degrees ...
Embodiment 2
[0066] Invented circuit principles such as image 3 , In this example, lead SMBDAT and SMBCLK from the computer SMBus to the monitoring circuit on the computer AGP board, connect the SMBus of the chip to the SDA and SCL of the circuit W83L785. The W83L785 used in the AGP device monitoring circuit is often used in the hardware monitoring circuit of the notebook computer. The device address of the W83L785 is 0101101. It can monitor parameters including: voltage, temperature, fan speed, etc. It has a built-in 8-bit ADC and provides 2 sets of PWM output control. Fan speed, providing SMI#, OUT# signal and GPIO, with I2C / compatible SMBus interface, through the application software and BIOS, the user can monitor all parameters at any time, and send a warning message when the parameter exceeds the limit, and the user can set the parameter high, lower limit.
[0067] The main functions of W83L785 are as follows:
[0068] 2 temperature measurement channels, TDX1, TDX2, support semicon...
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