Acer 500L Floppy Disk Controller, IDE Controller, PS/2 Mouse Controller, USB Host Controller

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Onboard Device Settings

Floppy Disk Controller	[Enabled ]
IDE Controller	[Both	]
PS/2 Mouse Controller	[Enabled ]
USB Host Controller	[Disabled]
USB Legacy Mode	[--------]
SMBus Interrupt(IRQ9)	[Disabled]

Floppy Disk Controller

This parameter lets you enable or disable the onboard floppy disk controller.

IDE Controller

Set this parameter to Primary to enable only the primary IDE controller; Both to enable both primary and secondary IDE controllers; or Disabled to disable all IDE controllers.

PS/2 Mouse Controller

This parameter enables or disables the onboard PS/2 mouse controller.

USB Host Controller

This parameter lets you enable or disable the USB controller on board. When enabled, it activates the USB function of the system. When disabled, it deactivates the function.

USB Legacy Mode

This function, when enabled, lets you use a USB keyboard in DOS. Set this to Disabled to deactivate the USB keyboard function in DOS.

Chapter 3 BIOS Utility

3-19

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Contents AcerAltos 500L Copyright Important Safety Instructions Page Page FCC Class B Radio Frequency Interference Statement Getting Started Conventions Table of Contents Bios Utility Page Xii Standalone System System HousingFront Panel FeaturesRear Panel Internal Structure Opening the Housing Panels Left Panel Inch Floppy Drive Installing Disk DrivesInch Drives Hard Disk Drives Installing Expansion Cards System Housing Page System Board Major Components System Board Layout Jumper and Connector Locations Jumpers and ConnectorsConnector Functions Jumper SettingsPower switch ESD Precautions Attaching the Processor Fan Sink Installing the Pentium II ProcessorSystem Board AcerAltos 500L User’s Guide Installing a Pentium II Processor AcerAltos 500L User’s Guide Removing a Pentium II Processor AcerAltos 500L User’s Guide Memory Configurations Memory UpgradeInstalling a Dimm Removing a Dimm Reconfiguring the System System Error Messages Error MessagesSoftware Error Messages Mmmmssssooo Wxxxx System Board Correcting Error Conditions Bios Utility Setup Utility Entering SetupBios Utility System Information Processor Speed ProcessorInternal Cache Size External CacheIDE Primary Channel Slave IDE Primary Channel MasterIDE Secondary Channel Master IDE Secondary Channel SlavePS/2 Mouse Serial PortParallel Port Product Name Product InformationSystem S/N Main Board IDMain Board S/N System Bios VersionDMI Bios Version Floppy Drives Disk DrivesIDE Primary Channel Master LS-120 Drive Compatible AsIDE Drives IDE Secondary Channel Slave IDE Primary Channel SlaveIDE Secondary Channel Master Enhanced IDE Features Hard Disk Block Mode Bios Utility Base Address Onboard PeripheralsSerial Ports 1 3BCh 378h Operation ModeEPP Onboard Device SettingsIDE Controller Floppy Disk ControllerPS/2 Mouse Controller USB Host ControllerSMBus Interrupt IRQ9 IDE Hard Disk Standby Timer Power ManagementPower Management Mode System Sleep Timer Power Switch 4 secModem Ring Indicator System Wake-up EventBoot Sequence Boot OptionsFirst Hard Disk Drive Fast BootSilent Boot Configuration Table Num Lock After BootBoot from LANDesk Service Agent Memory TestDate Date and TimeTime System Security Setup PasswordTo set or change a Password Set or Change Password To remove your Setup Password To bypass Setup Password Power-on PasswordDisk Drive Control Power-on PasswordBios Utility Memory/Cache Options Advanced OptionsMemory at 15MB-16MB Reserved for Internal Cache CPU CacheExternal Cache PnP/PCI Options Memory Parity ModePCI IRQ Setting VGA Palette Snoop PCI IRQ SharingCPU Frequency Reset Resource AssignmentsGraphics Aperture Size Plug and Play OSProcessor Speed Bus FrequencyCPU Multiple Load Default Settings Abort Settings Change Exit Setup SCSI/VGA Combo Card Page LCD Module Event Log List