Acer 500L manual Jumper Settings, Connector Functions

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Jumper Settings

Jumper	Setting	Function
Password Security
JP3	1-2	Check password
	2-3*	Bypass password
BIOS
JP4	1-2*	Acer
	2-3	OEM

Connector Functions

The table below lists the different connectors on the system board and their respective functions.

Connector	Function
CN1	Suspend 5V

CN2	CPU thermal sensor connector

CN3	CPU fan connector

CN5	Power connector

CN6	Floppy disk connector

CN7	USB connectors

CN8	COM1 (lower right), COM2 (lower left), and
	Parallel port (above)

CN9	Upper: PS/2 mouse connector
	Lower: PS/2 keyboard connector

CN10	Enhanced IDE 2 connector

CN11	Enhanced IDE 1 connector

CN12	Hard disk LED connector

CN13	SCSI disk LED connector

CN15	Wake up On LAN connector (reserved*)

*Reserved items are items that are supported by the system board but not available in the current version.

Chapter 2 System Board

2-5

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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