Dram Voltage, CPU Clock, Spread Spectrum | Philips EPIA-MII guide

BIOS Setup

DRAM Voltage

This field sets the voltage for the memory module. Settings: 2.8V, 2.7V, 2.6V,

Default

CPU Clock

This field sets the CPU clock speed.

Spread Spectrum

When the mainboard’s clock generator pulses, the extreme values (spikes) of the pulses creates EMI (Electromagnetic Interference). The Spread Spectrum function reduces the EMI generated by modulating the pulses so that the spikes of the pulses are reduced to flatter curves.

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Philips EPIA-MII user manual Dram Voltage, CPU Clock, Spread Spectrum

Contents

User’s Manual Trademarks CopyrightDisclaimer FCC-B Radio Frequency Interference Statement Safety Instructions Box Contents Page Table of Contents Chapter Mainboard Specifications Back Panel I/O Ports Onboard I/O ConnectorsForm Factor Mainboard Layout Back Panel Placement of Add-On Module Add-On Module Back Panel Ports Slots Onboard Connectors and Jumpers Connecter/Jumper Description Chapter Installation CPU VIA C3TM E-Series Processor VIA Eden Processor Memory Module Installation DDR Sdram Module Installation Procedures Available DDR Sdram Configurations Connecting the Power Supply ATX 20-Pin Power Connector Mouse Port PS2MS Keyboard Port PS2KB VGA Out USB PortsRJ45 10/100 NIC Port Video Port Serial Port COM1 Ieee 1394 PortCard Slots PCMCIA, CF Audio Jacks Line-In, Line-Out, Microphone Connectors Hard Disk Connectors IDE1 & IDE2IDE1 Primary IDE Connector IDE2 Secondary IDE Connector Power LED PWR LED Case Connector FpanelSpeaker IrDA Infrared Module Connector FIR Consumer Infrared Module / PS2 Header Kbms USB pin-header USB3/4 Wake-on LAN WOL Floppy Disk Drive Connector FDD COM2 The Second Serial Port CD Audio Connector Cdin Front Audio Panel Faudio SMBus Connector SMBus LPT Pin Header LPT Port Connector Lvds Connector Optional Clear Cmos Clearcmos JumpersRCA Video or S/PDIF Select Spdifsel Peripheral Component Interconnect PCI PCI Interrupt Request Routing Bios Setup Entering Setup Control Keys Getting Help Main MenuSub-Menu General Help F1 Main Menu Load Fail-Safe Defaults Load Optimized DefaultsSet Supervisor Password Set User Password Standard Cmos Features DateTime Drive A/B IDE Primary Master/Slave, Secondary Master/Slave Advanced Bios Features Quick Power On Self TestVirus Warning CPU L2 Cache ECC Checking First/Second/Third Boot Device Boot Other DeviceBoot Up Floppy Seek Swap Floppy Drive Boot Up NumLock Status Typematic Rate SettingTypematic Delay Msec Typematic Rate Chars/Sec Show Summary Information Display Small Logo AGP Mode Internal Advanced Chipset FeaturesAGP Aperture Size CPU Direct Access FB AGP Fast WriteCPU to PCI Post Write Select Display Device IDE Prefetch Mode Integrated PeripheralsOnboard IDE Channel 1/2 Display Card Priority Onboard Lan Boot ROM AC97 AudioVIA OnChip LAN OnChip USB Controller Parallel Port Mode SuperIO DeviceOnboard FDC Controller Onboard Serial Port 1/2 EPP Mode Select ECP Mode Use DMAOnboard Fast IR Fast IR IRQ HDD Power Down Power Management SetupAcpi Suspend Type Power Management Timer Power Off by PwrbtnRun Vgabios if S3 Resume Video Off Option Peripheral Activities PowerOn by PCI Card Wake On LAN/Ring ConnectorRTC Alarm Resume PS2MS Wakeup from S3/S4/S5 IRQs Activities Primary Intr PNP/PCI Configurations PNP OS InstalledReset Configuration Data Resource Controlled By Assign IRQ For VGA/USB IRQ Resources PC Health Status Frequency / Voltage Control Dram ClockDram Timing Dram CAS Latency Dram Command Rate Bank InterleavePrecharge to Active Trp Active to Precharge Tras CPU Clock Dram VoltageSpread Spectrum Load Fail-Safe Defaults Load Optimized Defaults Set Supervisor / User Password Bios Setup Save & Exit Setup Exit Without Saving Chapter Driver Installation Getting Started Driver UtilitiesRunning the Driver Utilities CD CD Content Chapter