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PCA-6189 User’s Manual 88
Chapter 9 Onboard Security Setup
9.1 Introduction
The PCA-6189's hardware monitor is designed with Winbond W83627HF.
Onboard security (OBS) functions monitor key hardware. They help you
maintain your system's stability and durability. The PCA-6189 can monitor
5 sets of system positive voltages, 2 sets of system negative voltages, CPU
cooling fan speed, and CPU temperature. The positive system voltage sets
which can be monitored include:
• CPU core voltage: 1.3 V ~ 3.3 V, according to Intel specifications.
• Transmission voltage from CPU to chipset: typically 1.8 V.
• Chipset voltage: typically 3.3 V.
• Main voltage: +5 V, +12 V.
The negative system voltage sets which can be monitored include:
• Main voltage: -5 V, -12 V.