Intel MS-6112 manual Power Supply, ATX 20-pin Power Connector JPWR1

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CHAPTER 2	HARDWARE INSTALLATION

2.8 Power Supply

2.8-1 ATX 20-pin Power Connector: JPWR1

This connector supports the power button on-board. Using the ATX power supply, functions such as Modem Ring Wake-Up and Soft Power Off are supported by this mainboard.

10

1

20

ATX

Power Connector

11

PIN DEFINITION

	PIN	SIGNAL	PIN	SIGNAL
	1	3.3V	11	3.3V
	2	3.3V	12	-12V
	3	GND	13	GND
	4	5V	14	PS_ON
	5	GND	15	GND
	6	5V	16	GND
	7	GND	17	GND
	8	PW_OK	18	-5V
	9	5V_SB	19	5V
	10	12V	20	5V

2-27

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Contents Introduction Mainboard Features Bios Mounting MS-6112 Hardware Installation Central Processing Unit CPURequired Things CPU Installation ProceduresOEM Pentium II processor Installation Procedures Hssbase Hsspin Rmamhsstop SLOT1 Pins Heat Sink Support Base Heat Sink Support Pin Heat Sink w/ Fan Chapter Hardware Installation Installation is now complete Boxed Pentium II processor Installation Procedures Retention Mechanism Notch Hole Intel Boxed PentiumTM Processor Heat Sink Support Processor Lock Heatsink Support PC-3745 CPU Speed Setting SW1 CPUCPU Clock Generator Setting J10/J9 CPU Fan Power Connectors JFAN/CFAN1/SFAN1 PSFAN1Flash ROM Programming Voltage JMODE1 External Battery Connector JBAT1 Memory Installation Memory Bank ConfigurationMemory Installation Procedures Single Sided Dimm Double Sided DimmMemory Population Rules 1 EDO Dram Memory Addressing Case Connector JFP1 Reset Switch Power LEDTurbo LED KeylockFloppy Disk Connector FDC Hard Disk Connectors IDE1 & IDE2 Power Supply ATX 20-pin Power Connector JPWR1Remote Power On/Off Switches JSW1/JSW2 IrDA Infrared Module Connector IR1 Serial Port Connectors COM a & COM B PIN Definition SignalParallel Port Connector LPT Mouse Connector JKBMS1 Keyboard Connector JKBMS1USB Connector USB Mainboard provides aUHCIUniversal Host Controller InterfacePower Saving LED Connector JGL1 Special Jumpers J3/J4 AMI Bios User Guide Enter Bios Setup Agioms VxxxAmibios Hiflex Setup Utilities Version Standard Cmos Setup Amibios Setup Standard Cmos SetupAdvanced Cmos Setup Amibios Setup Advanced Cmos SetupQuick Boot 1st Boot Device/2nd Boot Device/3rd Boot DeviceTry other Boot Devices Floppy Access ControlBoot up Num Lock Password CheckFloppy Drive Swap Floppy Drive SeekBoot to OS/2 System Bios CacheableParity Check Internal Cache/External CacheChapter AMI Bios USER’S Guide Advanced Chipset Setup Amibios Setup Advanced Chipset SetupAuto Configure EDO Dram Timing EDO RAS to CAS DelaySdram RAS to CAS Delay EDO Dram Speed nsDram Integrity Mode Sdram CAS LatencySdram RAS Precharge Time VGA Frame Buffer UswcPCI Frame Buffer Uswc Dram Refresh QueueFixed Memory Hole CPU To PCI IDE PostingPIIX4 Delayed Transaction AGP Aperture SizeUSB Passive Release PIIX4 Passive ReleaseUSB Function USB Keyboard Legacy SupportPower Management Setup Amibios Setup Power Management SetupPower Management/APM Green PC Monitor Power StateVideo Power Down Mode Hard Disk Power Down ModeStandby Time Out Suspend Time OutThrottle Slow Clock Ratio Modem Use IO PortRing Resume from Soft-Off Power Button FunctionRTC Alarm Resume From Soft-Off PCI/Plug and Play Setup Amibios Setup PCI/PLUG and Play SetupPCI Latency Timer PCI Clocks Plug and Play Aware O/SPCI VGA Palette Snoop Allocate IRQ to PCI VGAOffboard PCI IDE Primary IRQ Offboard PCI IDE Secondary IRQ PCI IDE BusMasterOffboard PCI IDE Card DMA Channel 0/1/3/5/6/7 Reserved Memory Size/Reserved Memory AddressPeripheral Setup Amibios Setup Peripheral SetupOnboard FDC Onboard Serial Port A/Onboard Serial Port BIR Port Support IR Base Address SelectIR IRQ Select IR DMA SelectParallel Port Mode EPP VersionParallel Port IRQ Parallel Port DMA ChannelHardware Monitor Setup Amibios Setup Hardware Monitor Setup