Acer 3300S manual Frequency Control, Auto

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Frequency Control

The following table describes the parameters found in this menu. Settings in boldface are the default and suggested settings.

Parameter

Description

Options

 

 

 

Set CPU Ratio

End users can overlock the processor by

Auto

 

specifying the CPU ratio (clock multiplier) in this

Manual

 

field.

 

CPU Clock Ratio

If the CPU Ratio is set to Manual, end users can

8x to 50x

 

choose a suitable ratioto support the CPU.

 

 

 

 

Auto Detect DIMM/PCI Clk

This option allows you to enable/disable the

Enabled

 

feature of auto detecting the clock frequency of

Disabled

 

the installed DIMM/PCI bus.

 

Spread Spectrum

When the motherboard’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. If you do

 

 

not have any EMI problem, leave the setting at

 

 

Disabled for optimal system stability and

 

 

performance. But if you are plagued by EMI,

 

 

setting to Enabled for EMI reduction. Remember

 

 

to disable Spread Spectrum if you are

 

 

overlocking because even a slight jitter can

 

 

introduce a temporary boost in clockspeed which

 

 

may just cause your overlock ed processor to

 

 

lock up.

 

 

 

 

DRAM Frequency

This setting let end users select the DRAM

By SPD

 

frequency.

200 Mhz

 

 

266 Mhz

 

 

333 Mhz

 

 

 

Chapter 2

42

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Contents Service Guide Aspire 3300SDate Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen messagesPreface Page System Specifications OverviewFeatures PerformanceExpansion Front Panel Aspire 3300S Label Icon Color DescriptionCD-ROM/DVD-ROM/CD-RW LED Hard disk drive activity LED Rear Panel Aspire 3300S Label Icon Color Description System Block Diagram Aspire 3300S Intel P4 CPUChapter Main Board Layout Aspire 3300S Component FunctionIDE 1~IDE JCD1/JAUX1/JMD1CPUFA/SYSFA JFP1/JFP2Keyboard Component DescriptionPlay/Pause button Forward ButtonWindows + F Find Document Shift + Windows + M Undo Minimize AllHardware Specifications and Configurations Specification2MB 2GB DDR SdramSlot Memory Module Total Memory Maximum System Memory SupportedAudio Interface LPCItems Specifications IRQ5IRQ7 COM1, COMAddress Size Function DeviceRoute Reg Mask Hex Range Devices IRQx System Devices Add-On-Card DevicesTemperature & Humidity DRQx System Devices Add-On-Card DevicesController HumidityInput Frequency Frequency Variation Range Input Voltage Variation RangeInput Current Measuring Range 180 264 Vrms Output Requirements Regulation Current RatingMaxPower Management Functions Device Standby ModeChapter System Utilities Entering Setup Page Product Information Following table describes the parameters found in this menu Parameter DescriptionStandard Cmos Features Parameter Description OptionsAll Errors 44 MB, 3.5-inchNone CGA40Press Enter AutoLBA CHSAdvanced Bios Features DisabledEnabled Setup FastAdvanced Chipset Features Advanced Dram ControlNormal Mode Integrated Peripherals USBParameter Description Options Power Management Setup Power Off Susp, Stby -- OffSYNC+Blank PnP/PCI Configuration Auto EscdPC Health Status Frequency Control Load Default Settings Set Supervisor/User Password Chapter Save & Exit Setup/Exit Without Saving Chapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart Opening the Housing Removing the Housing CoverRemoving the Front Panel Removing the EMI Audio CoverRemoving the Modem Card Removing the AGP VGA CardRemoving the FDD and DVD Frame Page Removing the Intrusion Alarm Cable Removing the USB and Audio Board Removing the Hard Disk DriveRemoving the Dimm Removing the Power Supply Removing the RTC BatteryRemoving the Processor Removing the Main board Chapter Troubleshooting Power-On Self-Test Post Checkpoint DescriptionReset keyboard for Winbond 977 series Super I/Q chips Checkpoint Description Chapter Auto Chapter Post Error Messages List Bios Messages Action/FRURun Setup Chapter Error Symptoms List Error Symptom Action/FRU Processor / Processor FanMain board and Memory Diskette DriveError Symptom Action/FRU Hard Disk DriveCD/DVD-ROM Drive Real-Time ClockAudio Error Symptom Action/FRU Parallel/Serial Ports Power SupplyOther Problems KeyboardUndetermined Problems DimmFloppy Disk Drive Connector FDD1 Chassis Intrusion Switch Connector J8Hard Disk Connectors IDE1 & IDE2 TIPCD-In Connector JCD1 Aux Line-In Connector JAUX1Modem-In Connector JMD1 Fan Power Connectors CPUFA/SYSFA Front Panel Connectors JFP1 & JFP2 10 JFP1Intel spec Front Panel Audio Connector Jaud JaudFront USB Connector JUSB1 or JUSB2 Panel I/O Connectivity Design GuideIrDA Infrared Module Header JIR1 Jumpers Clear Cmos Jumper JBAT1AGP Accelerated Graphics Port Slot PCI SlotsCNR Communication Network Riser PCI Interrupt Request Routing Chapter FRU Field Replaceable Unit List Aspire 3300S Exploded Diagram Picture Partname Description Power SW/HDD Power LEDFDD Cable 34/34PIN Turbo LED Cable 2PINWILAM.1GV WILAM.1GWWILAM.1GK 128MB DDR266 MicronPower Supply 160W Daughter BoardVGA Card Modem Card V92 56KRotate Bracket Assembly Rotate Bracket Bracket Assembly IOFront Panel Assy Front Bezel VT3200 BRACKETS81MH34A USB EMI CoverChapter Model Definition and Configuration Appendix a Test Compatible Components Microsoft Windows XP Environment Test PC2100 DDR RAMPC2700 DDR RAM Teac FD235HF 1.44MB CdromDvdrom CD RW Yamaha CRW3200E-VK Sony CRX175A CPU Online Support Information 103 Advanced Options Idsel Post Rimm Uart

3300S specifications

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