User`s manual

Table Of Contents
xiii
3.9.4 Current CPU Temperature ............................................ 50
3.9.5 CPU FAN Speed........................................................... 50
3.9.6 System FAN Speed....................................................... 50
3.9.7 VCORE and Other Voltages......................................... 50
3.9.8 Shutdown Temperature................................................. 50
3.10 Frequency / Voltage Control ........................................... 50
Figure 3.12:Spread Spectrum Control screen ............... 50
3.10.1 CPU Clock Ratio .......................................................... 51
3.10.2 Spread Spectrum ........................................................... 51
3.11 Password Setting ............................................................. 51
3.12 Save & Exit Setup ........................................................... 51
3.13 Exit Without Saving........................................................ 52
Chapter 4 Chipset Software Install Utility.....................54
4.1 Before you begin ............................................................. 54
4.2 Introduction ..................................................................... 54
4.3 Windows XP Driver Setup.............................................. 55
Chapter 5 VGA Setup ......................................................60
5.1 Introduction ..................................................................... 60
5.2 Windows XP Driver Setup.............................................. 61
Chapter 6 LAN Configuration ........................................66
6.1 Introduction ..................................................................... 66
6.2 Features ........................................................................... 66
6.3 Installation....................................................................... 66
6.4 Win XP Driver Setup (Broadcom BCM5721) ................ 67
Chapter 7 USB 2.0 Configuration...................................72
7.1 Introduction ..................................................................... 72
7.2 Features ........................................................................... 72
7.3 Installation....................................................................... 72
Chapter 8 Onboard Security Setup ................................74
8.1 Introduction ..................................................................... 74
8.2 Windows XP Driver Setup.............................................. 75
8.3 Using the OBS Hardware Doctor Utility ........................ 78
Appendix A Programming the watchdog .........................82
A.1 Programming the Watchdog Timer................................. 82
A.1.1 Watchdog timer overview............................................. 82
A.1.2 Reset/ Interrupt selection .............................................. 82
A.1.3 Programming the Watchdog Timer .............................. 82
A.1.4 Example Program ......................................................... 85
Appendix B Programming the GPIO ...............................92
B.1 Sample Code ................................................................... 92