Microsoft P4X4-ALH manual Speaker and Power LED Connectors, External Connectors

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Hardware Installation

2.7. Speaker and Power LED Connectors

2.7.1. Speaker Connector (SPKR)

Connect your chassis speaker to this four-pin connector. It allows you to hear systems beeps and warnings sound.

PIN 1

2.7.2.Front Panel Power LED PIN 1

(PWRLED)

The chassis power LED connector can be connected to the four-pin connector. When you turn your system on, this LED will also be turned on.

SPKR

Speaker	Speaker	Speaker
+5V DC Signal	Signal	Signal

+5V DC Ground Ground

NC

PWRLED

Top View of the Speaker and Power LED Connectors

2.8. External Connectors

2.8.1. PS/2 Keyboard Connector

Connector:	CN1 (K/B)
Type:	6 pin female

This connector only supports a PS/2 keyboard plug. If you have a standard AT size (large DIN) keyboard plug, you need to use a mini DIN adapter.

2.8.2. PS/2 Mouse Connector

Connector:	CN2 (M/S)
Type:	6 pin female

This connector only supports a PS/2 mouse plug. If a PS/2 mouse is de- tected then IRQ 12 will be directed to CN2.

2.8.3. Serial Port Connectors

Connector: CN3 (COM 1)/CN4 (COM2)

Type: 9 pin male

One serial port is available for a mouse and other serial devices. (I/O addresses used are 3F8H/2F8H/3E8H/2E8H and IRQ3/IRQ4, selected by CMOS setup.)

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 Mainboard Dimensions Features and SpecificationsOverview P4X4-ALH MainboardOnboard Audio Features CPU Switching Voltage RegulatorOnboard LAN Features System MemoryATX Double Deck Ports PC 99 color-coded connectors ConnectorsUSB2.0 Ports PCI Bus Master IDE ControllerSystem Intelligence System Health Monitor FunctionsInstallation Checklist Installation Steps CPU Expansion Slots, Jumpers and Internal ConnectorsInstallation of the CPU CPU, Memory and Expansion SlotsMemory Modules Pins PCI SlotsAGP Accelerated Graphics Port Slot Internal Connectors CPU Fan and Chassis Fan Connectors Connector CN13 FAN1/CN17 FAN2 Type PinATX Power Supply Connectors CD-IN/AUX-IN Connector ConnectorWOL Wake-On-LAN Connector USB3, USB4, USB5, USB6 Connectors ConnectorType Connector CN46 4 CH OUT Type Pin Channel OUT ConnectorPW Power On/Off and External Suspend Switch Connector System Panel Buttons and LED ConnectorsSL Sleep LED Connector HL IDE HDD LED ConnectorExternal Connectors Speaker and Power LED ConnectorsAudio/Game Connector Parallel Port Connector Connector CN5 LPTConnector CN18 Type RJ-45 LAN Port Connector Connector CN35 LAN1. JP1 Keyboard Power Type Jumper Settings2. JP3 USB1, USB2 Power Type 3 pin 3. JP5 CPU Clock Type 2 pin Default Short4. JP8 Check 1.5V AGP otional Type 2 pin Default Open 5. JP9 Clear Cmos Type 3 pinTo clear the CMOS, please follow these instructions Main Menu Award Bios Cmos Setup UtilityDate mm dd yy Navigation KeysTime hh mm ss IDE Primary / Secondary Master / SlaveFloppy 3 Mode Support Phoenix AwardBIOS Cmos Setup Utility Standard Cmos FeaturesDrive a /B Diskette Drive Type of Disk Drive CapacityPhoenix AwardBIOS Cmos Setup Utility Advanced Bios Features Advanced Bios FeaturesHalt On Base Memory / Extended Memory / Total MemoryFirst / Second / Third Boot Device Quick Power On Self TestBoot Other Device Boot Up Floppy SeekTypematic Rate Setting Boot Up NumLock StatusTypematic Delay Video Bios ShadowAdvanced Chipset Features AGP & P2P Bridge Control 4SDRAM CAS Latency4AGP Aperture Size 4AGP Driving ControlDelay Prior to Thermal System Bios CacheableCPU & PCI Bus Control 4CPU to PCI Write BufferIntegrated Peripherals 4IDE Prefetch ModeVIA OnChip IDE Device 4OnChip IDE Channel 0/14Primary/Secondary, Master/Slave PIO 4Onboard LAN Boot ROM4Primary/Secondary, Master/Slave Udma VIA OnChip PCI Device4IR Transmission Delay 4UART Mode Select4UR2 Duplex Mode 4Use IR Pins4EPP Mode Select 4Onboard Parallel Mode4ECP Mode Use DMA 4Game Port AddressPower Management Setup Video Off Method Modem Use IRQSoft-Off by Pwrbtn Pwron After PWR Fail4RTC Alarm Resume 4Power On by PCI CardIRQ/Event Activity Detect 4PCI MasterPhoenix AwardBIOS Cmos Setup Utility PnP/PCI Configurations PNP/PCI ConfigurationPNP OS Installed Reset Configuration DataResources controlled By PC Health StatusIRQ Resources PCI/VGA Palette SnoopFrequency/Voltage Control Phoenix AwardBIOS Cmos Setup Utility Load Fail-Safe Defaults / Load Optimized DefaultsLoad Fail-Safe Defaults Load Optimized DefaultsSet Supervisor Password Set Supervisor Password and User PasswordWhen Setup is selected in the Security Option When System is selected in Security OptionSave & Exit Setup/Exit Without Saving Save & Exit SetupExit Without Saving