User`s manual
AIMB-744 User’s Manual 66
Chapter 6 Onboard Security Setup
6.1 Introduction
The AIMB-744'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 AIMB-744 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.
6.2 Windows XP Driver Setup
1. Insert the driver CD into your system's CD-ROM drive. In a few
seconds, the software installation main menu appears, as shown in
the following figure. Click on the "Install" button under the "OBS
DRIVERS" heading.