Microsoft P4X4-ALH manual System Panel Buttons and LED Connectors, SL Sleep LED Connector

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Hardware Installation

2.6. System Panel Buttons and LED Connectors

The following System Panel Buttons and LED Connectors (2 x 4 pins) can be found at the front of the mainboard on the left hand side.

PW= Power On/Off and Suspend Switch

Connector

SL = Sleep LED Connector

HL = HDD LED Connector

RS = Reset Button Connector

RS: Reset Control

 

 

 

 

Ground

HL: +5V DC Pull Up

 

 

 

 

Ground

SL: Signal Pin

 

 

 

 

 

 

 

 

 

Ground

PW:+5V DC Pull Up

 

 

 

 

Ground

 

 

 

 

PIN

 

1

 

 

 

Top View of the System Panel and LED Connectors

2.6.1 PW: Power On/Off and External Suspend Switch Connector

The Power On/Off connector has two functions. It can be the Power Switch or Suspend Switch of your PC system. You can either choose “Delay 4 Sec” or “Instant OFF” .

Option 1: If you choose “Delay 4 Sec.” In the BIOS CMOS Setup, the func- tion of “PW” will be:

A. When the system power is "OFF", press this switch, the system will power on.

B. When system power is "ON”, you can select two different modes: -

Mode 1: Press and hold the Power ON button for less than 4 seconds and then release it. The system will be turned into Suspend mode (turned into the GREEN mode) When the system is in the Suspend mode:

Press the Power on button (less than 4 seconds), the system will return to Full-ON mode.

Press and hold the Power On Button for more than 4 seconds, the sys- tem will be powered off.

Mode 2: Press and hold the Power ON button for more than 4 seconds, the system will be completely powered off.

Option 2: If you choose “Instant OFF.” In the BIOS CMOS Setup, the power switch will operate like a normal ON / OFF Power button.

2.6.2. SL: Sleep LED Connector

When lighted, the LED indicates that the AC power is ON but your system is switched OFF. When unlighted, the LED indicates that either the AC power is OFF/Unconnected or the system is switched ON.

2.6.3. HL: IDE HDD LED Connector

Any read and write activity by the HDD will turn this LED on.

2.6.4. RS: Reset Button Connector

If you connect this connector, you will be able to reset you computer by press- ing the reset button at the front of the chassis.

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The P4X4-ALH Mainboard

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Contents P4X4-ALH User’s Notice Table Of Contents Table Of Contents Mainboard and PC 99 ATX External Connector Layout Features and Specifications Mainboard DimensionsOverview P4X4-ALH MainboardCPU Switching Voltage Regulator Onboard Audio FeaturesOnboard LAN Features System MemoryConnectors ATX Double Deck Ports PC 99 color-coded connectorsUSB2.0 Ports PCI Bus Master IDE ControllerSystem Health Monitor Functions System IntelligenceInstallation Checklist Installation Steps Expansion Slots, Jumpers and Internal Connectors CPUMemory Modules Installation of the CPUCPU, Memory and Expansion Slots AGP Accelerated Graphics Port Slot PinsPCI Slots Internal Connectors ATX Power Supply Connectors CPU Fan and Chassis Fan ConnectorsConnector CN13 FAN1/CN17 FAN2 Type Pin WOL Wake-On-LAN Connector CD-IN/AUX-IN ConnectorConnector Type USB3, USB4, USB5, USB6 ConnectorsConnector Channel OUT Connector Connector CN46 4 CH OUT Type PinSystem Panel Buttons and LED Connectors PW Power On/Off and External Suspend Switch ConnectorSL Sleep LED Connector HL IDE HDD LED ConnectorSpeaker and Power LED Connectors External ConnectorsParallel Port Connector Connector CN5 LPT Audio/Game ConnectorConnector CN18 Type RJ-45 LAN Port Connector Connector CN35 LANJumper Settings 1. JP1 Keyboard Power Type2. JP3 USB1, USB2 Power Type 3 pin 3. JP5 CPU Clock Type 2 pin Default ShortTo clear the CMOS, please follow these instructions 4. JP8 Check 1.5V AGP otional Type 2 pin Default Open5. JP9 Clear Cmos Type 3 pin Award Bios Cmos Setup Utility Main MenuNavigation Keys Date mm dd yyTime hh mm ss IDE Primary / Secondary Master / SlavePhoenix AwardBIOS Cmos Setup Utility Standard Cmos Features Floppy 3 Mode SupportDrive a /B Diskette Drive Type of Disk Drive CapacityAdvanced Bios Features Phoenix AwardBIOS Cmos Setup Utility Advanced Bios FeaturesHalt On Base Memory / Extended Memory / Total MemoryQuick Power On Self Test First / Second / Third Boot DeviceBoot Other Device Boot Up Floppy SeekBoot Up NumLock Status Typematic Rate SettingTypematic Delay Video Bios ShadowAdvanced Chipset Features 4SDRAM CAS Latency AGP & P2P Bridge Control4AGP Aperture Size 4AGP Driving ControlSystem Bios Cacheable Delay Prior to ThermalCPU & PCI Bus Control 4CPU to PCI Write Buffer4IDE Prefetch Mode Integrated PeripheralsVIA OnChip IDE Device 4OnChip IDE Channel 0/14Onboard LAN Boot ROM 4Primary/Secondary, Master/Slave PIO4Primary/Secondary, Master/Slave Udma VIA OnChip PCI Device4UART Mode Select 4IR Transmission Delay4UR2 Duplex Mode 4Use IR Pins4Onboard Parallel Mode 4EPP Mode Select4ECP Mode Use DMA 4Game Port AddressPower Management Setup Modem Use IRQ Video Off MethodSoft-Off by Pwrbtn Pwron After PWR Fail4Power On by PCI Card 4RTC Alarm ResumeIRQ/Event Activity Detect 4PCI MasterPNP/PCI Configuration Phoenix AwardBIOS Cmos Setup Utility PnP/PCI ConfigurationsPNP OS Installed Reset Configuration DataPC Health Status Resources controlled ByIRQ Resources PCI/VGA Palette SnoopFrequency/Voltage Control Load Fail-Safe Defaults / Load Optimized Defaults Phoenix AwardBIOS Cmos Setup UtilityLoad Fail-Safe Defaults Load Optimized DefaultsSet Supervisor Password and User Password Set Supervisor PasswordWhen Setup is selected in the Security Option When System is selected in Security OptionExit Without Saving Save & Exit Setup/Exit Without SavingSave & Exit Setup