Advantech PCA-6187 user manual Onboard Security Setup, Introduction

Chapter 9 Onboard Security Setup

9.1 Introduction

The PCA-6187's hardware monitor is designed with Winbond W83782D. Onboard security (OBS) functions monitor key hardware. They help you maintain your system's stability and durability. The PCA-6187 can moni- tor 5 sets of system positive voltages, 2 sets of system negative voltages, CPU cooling fan speed, and CPU temperature. The positive system volt- age 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.

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