EVGA 122-YW-E173 manual Pin ATX Power PWR1, PWR1 Motherboard Connector PWR1 Pin Assignments

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24-pin ATX Power (PWR1)

PWR1 is the main power supply connector located along the edge of the board next to the DIMM slots. Make sure that the power supply cable and pins are properly aligned with the connector on the motherboard. Firmly plug the power supply cable into the connector and make sure it is secure. This connector is notched, do not force in.

Board edge

PWR1 connector

Plug power cable from system power supply to PWR1

Figure 4. PWR1 Motherboard Connector

Table 1. PWR1 Pin Assignments

Connector

 

Pin

Signal

 

 

1

+3.3V

24

13

2

+3.3V

3

GND

 

 

 

 

 

4

+5V

 

 

5

GND

 

 

6

+5V

12

1

7

GND

 

 

8

PWROK

 

 

9

+5V_AUX

 

 

10

+12V

 

 

11

+12V

 

 

12

+3.3V

Pin Signal

13+3.3V

14-12V

15GND

16PS_ON

17GND

18GND

19GND

20RSVD

21+5V

22+5V

23+5V

24GND

EVGA 13

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Contents Evga nForce 750i SLI Motherboard Evga Fan Connectors Table of Contents Evga Power On by Alarm Power on Function Pwron After PWR-Fail List of Figures Intentions of the Kit Before You Begin… Parts not in the KitEvga nForce 750i SLI Motherboard Motherboard SpecificationsEvga Equipment Unpacking Parts DescriptionsIDE-ATA 133 HDD Cable Nvidia nForce 750i SLI Motherboard Layout Chassis Back Panel Connectors Safety Instructions Hardware InstallationInstalling the CPU Installing the CPU FanPreparing the Motherboard Page Installing the Motherboard Installing the I/O ShieldSecuring the Motherboard into the Chassis ¾ COM ‰ FDD ‰ IDE Connecting Cables Setting SwitchesPower Supply Connectors Power ConnectionsPWR1 Motherboard Connector PWR1 Pin Assignments Pin ATX Power PWR1Connecting IDE Hard Disk Drives Pin ATX 12V Power PWR2Connecting Serial ATA Cables Front Panel Header Connecting Internal HeadersUSB Headers Audio Speaker ConnectorPWR Control Fan ConnectionsFloppy Disk Drive FDD Connector Serial ConnectorPCI Slots Expansion SlotsPCI Express x1 Slot PCI Express x16 SlotsOnboard System Reset and Power Buttons Clear Cmos FunctionClear Cmos Button Post Port Debug LED LED Status IndicatorsConfiguring the Bios Main Menu Enter Bios SetupBios Cmos Setup Utility Main Menu ‰ Set Password ‰ Load Defaults‰ Save & Exit Setup ‰ Exit Without SavingEGA/VGA Standard Cmos Features MenuIDE Channel and Sata Channel Date and Time‰ Auto ‰ None‰ Manual ¾ Large‰ No Errors ‰ All ErrorsDrive a Halt On‰ All, But Diskette Memory‰ All, But Disk/Key ‰ Extended MemoryCdrom Advanced Bios FeaturesCPU Feature Hard Disk Boot Priority CD-ROM Boot Priority Quick Power on Self TestFirst/Second/Third Boot Device Boot Up NumLock Status Boot Other DeviceApic Mode Security OptionSpread Spectrum Advanced Chipset Features‰ CPU Spread Spectrum ‰ Pcie Spread Spectrum SPPIntegrated Peripherals Menu ‰ System Bios Cacheable‰ Sata Spread Spectrum ‰ LDT Spread SpectrumIDE Function Setup USB Config RAID ConfigHD Audio IDE HDD Block ModeRealtek LAN Device Onboard FDC ControllerAcpi Function Power Management Setup MenuPower on Function Power On by AlarmAcpi Suspend Type Soft-Off by Pbnt‰ Hot Key Power On ‰ PasswordPwron After PWR-Fail ‰ Mouse Left ‰ Mouse Right ‰ Any KeyPnP/PCI Configuration Menu PnP/PCI Configuration MenuReset Configuration Data Init Display FirstResources Controlled By Maximum Payload Size PCI/VGA Palette SnoopPC Health Status PC Health StatusPress Enter to display the Dynamic Fan Control menu Dynamic Fan Control‰ CPU Clock Ratio Unlock Frequency/Voltage Control‰ LDT Frequency ‰ CPU N/2 Ratio‰ Current CPU Freq, MHz System Clocks‰ FSB Clock. MHz ‰ PCIe FrequencyFSB & Memory Config ‰ FSB Memory Clock Mode¾ Linked ¾ Unlinked ‰ Memory Timing Setting‰ FSB QDR, MHz ‰ MEM DDR, MHz¾ Expert ¾ OptimalMemory Timing Setting Expert TCL CAS Latency System Voltages ‰ Evga VDroop control‰ Memory ‰ nForce SPP ‰ NF200 Voltage Level‰ Gtlvref Lane Save Timing/Voltage Set Load Timing/Voltage SetDriver Installation Installing Drivers and SoftwareEvga Glossary of Terms Evga Award Post Code Appendix a Post Codes for Evga nForce 750i SLI MotherboardEeprom Award Post Codes Name Description Award Post Codes Name Description Award Post Codes Name Description Award Post Codes Name Description Award Post Codes Name Description