Supermicro P4SGA+ User Manual download pdf (Page 21)

Chapter 1: Introduction

1-15

Auto-Switching Voltage Regulator for the CPU Core

The 3-phase-switching voltage regulator for the CPU core can support up to

60A current and auto-sense voltage IDs ranging from 1.1V to 1.85V. This

will allow the regulator to run cooler and thus make the system more stable.

1-4 Power Configuration Settings

This section describes features of your motherboard that deal with power

and power settings.

Microsoft OnNow

The OnNow design initiative is a comprehensive, system-wide approach to

system and device power control. OnNow is a term for a PC that is always

on but appears to be off and responds immediately to user or other re-

quests.

Slow Blinking LED for Suspend-State Indicator

When the CPU goes into a suspend state, the chassis power LED will start

blinking to indicate that the CPU is in suspend mode. When the user presses

any key, the CPU will wake-up and the LED will automatically stop blinking

and remain on.

BIOS Support for USB Keyboard

If the USB keyboard is the only keyboard in the system, it keyboard will

function like a normal keyboard during system boot-up.

Real Time Clock Wake-Up Alarm

Although the PC may be perceived to be off when not in use, it is still

capable of responding to preset wake-up events. In the BIOS, the user can

set a timer to wake-up the system at a predetermined time.

Main Switch Override Mechanism

When an ATX power supply is used, the power button can function as a

system suspend button. When the user depresses the power button, the

system will enter a SoftOff state. The monitor will be suspended and the

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Supermicro P4SGA+ User Manual Page 21