User manual

AIMB-556 User Manual 82
Chapter 6 Onboard Security Setup
6.1 Introduction
The AIMB-556’s hardware monitor is based on the Winbond
W83627HG chip. Onboard security (OBS) functions monitor key hard-
ware to help you maintain system stability and durability. The AIMB-556
can monitor five sets of positive system voltages, two sets of system neg-
ative voltages, CPU fan speed and CPU temperature. The positive system
voltage sets that can be monitored include:
• CPU core voltage: 1.3 ~ 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