龙芯世纪目前在各类芯片解密技术研究领域中取得了丰硕的科研成果，拥有数十项独家解密技术和百余种业界领先的特色解密方案，在国内外反向技术研究领域奠定了行业领导者的权威地位。针对W83791D芯片等冷偏门单片机解密，我们已取得一系列突破，这里简要介绍W83791D芯片的主要性能特征，仅供参考：
FEATURES
Monitoring Items
·10 voltage inputs
--- Typical for VCORE, +3.3V, +12V, -12V, +5V, -5V, +5VSB, VBAT, and two reserved
·5 fan speed monitoring inputs
·3 temperature inputs from remote thermistors,2N3904 NPN-type transistors or PentiumTM II（Deschutes）
thermal diode output
·Case open detection input
·WATCHDOG comparison of all monitored values
·Programmable hysteresis and setting points （alarm thresholds） for all monitored items
Address Resolution Protocol（ARP）and Alert-Standard Forum（ASF）
·Support System Management Bus（SMBus）version 2.0 specification
·Comply with hardware sensor slave ARP（Address Resolution Protocol）
·Response sensor type ARP command
·Response ASF command --- Get Event Data , Get Event Status
·Comply with ASF sensors（Monitoring fan speed, voltage, temperature, and case open）
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