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Zotac nForce 750a, User Manual

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24-pin ATX Power (PW1)

PW

 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.  

Table 1.     PW1 Pin Assignments

Connector 

Pin  Signal 

Pin  Signal

  

1 

+3.3V 

13  +3.3V

 

2 

+3.3V 

14  -12V

 

3 

GND 

15  GND

 

4 

+5V 

16  PS_ON

 

5 

GND 

17  GND

 

6 

+5V 

18  GND

 

7 

GND 

19  GND

 

8 

PWROK 

20  -5V

 

9 

+5V_AUX 

21  +5V

 

10 

+12V 

22  +5V

 

11 

+12V 

23  +5V

 

12 

+3.3V 

24  GND

1

12

13

24

Hardware Installation

Summary of Contents for nForce 750a

Page 1: ......

Page 2: ...CONNECT THE EQUIPMENT INTO AN OUTLET ON A CIRCUIT DIFFERENT FROM THAT OF THE RECEIVER CONSULT THE DEALER OR AN EXPERIENCED AUDIO TELEVISION TECHNICIAN NOTE Connecting this device to peripheral devices that do not comply with Class B requirements or using an unshielded peripheral data cable could also result in harmful interference to radio or television reception The user is cautioned that any cha...

Page 3: ... 24 pin ATX Power PW1 13 8 pin ATX 12V Power PW2 14 AUX Power optional 14 Speaker Connector SPK 15 Serial Port connector COM 15 Case Open Detect Connector J1H4 15 IEEE1394 Connector CN4 optional 16 Connecting Serial ATA Cables 17 Connecting Internal Headers 18 Front Panel Header 18 USB Headers 19 FP Audio Connector 20 Fan Connections 21 Expansion Slots 22 PCI Slots 22 PCI Express x16 Slots 22 PCI ...

Page 4: ...ng 35 Karaoke Mode 35 Mixer 36 Playback control 36 Recording control 37 Audio I O 38 Speaker Configuration 39 Global Connector Settings 40 S PDIF 40 Speaker Calibration 41 Microphone 42 Noise Suppression 42 Beam Forming 42 Acoustic Echo Cancellation 42 Audio Demo 43 Information 43 Setup of SLI Configuration 44 SATA RAID User Manual 46 Setting up the BIOS 46 Entering the RAID BIOS Setup 48 Installi...

Page 5: ...ts eight from onboard USB headers v Supports wake up from S1 v Supports USB 2 0 protocol up to 480 Mbps transmission rate q Onboard Serial ATA II v Independent DMA operation on six ports optional v Data transfer rates of 300Mb s q Onboard LAN v LAN interface built in onboard v Supports 10 100 1000Mbps Ethernet 1000Mbps Ethernet is optional q Onboard Audio optional v Azalia High Definition audio v ...

Page 6: ...ntegrated 400Mb 2 port PHY q Onboard display Support v Integrates 750a SLI engine core v Support Hybrid SLI to increase graphics performance with GeForce Boost and provide intelligent power management with HybridPowerTM v DVI HDMI output support optional q Expansion Slots v Two PCI Express x1 slot optional v Two PCI Express x16 Graphics slot v Two PCI bus master slots ver 2 3 compliant Before You ...

Page 7: ... COM connector optional 18 CPU Socket 8 Floppy Disk Drive Connector 19 IDE Connector 9 PCI Slots 20 CPU fan Connector 10 Front Panel audio Connector 21 Chip fan Connector 11 PCI Express x1 slot optional 22 Chipset Figure 1 Board Layout Chipset SPEAKER FP1 CCMOS COM PS2 USB LAN PW1 120 240 121 120 240 121 120 240 121 120 240 121 SATA4 SATA5 IDE SATA6 SATA1 SATA3 SATA2 USB 3 USB 4 USB 1 USB 2 1394 C...

Page 8: ...Speaker Out Grey Side Speaker Out 8 DVI Out Port optional 9 IEEE1394 Port optional 10 Lan Port with LEDs to indicate status Yellow Light Up Blink 10 Mbps Link Activity Yellow and Green Light Up Blink 100 Mbps Link Activity Orange and Red Light UP Blink 1000 Mbps Link Activity 11 Port 2 Channel 4 Channel 6 Channe Blue Line In Rear Speaker Out Rear Speaker Out Green Line Out Front Speaker Out Front ...

Page 9: ...ry always follow basic safety precations Remember to remove power from your computer by disconnecting the AC main source before removing or installing any equipment from to the computer chassis Preparing the Motherboard The motherboard shipped in the box does not contain a CPU and memory You need to purchase these to complete this installation Installing the CPU Be very careful when handling the C...

Page 10: ...ot be seen Please note that any deviation from the correct installation procedures may cause permanent damage to your motherboard 4 Press the CPU down firmly into the socket and close the lever As the CPU is likely to move while the lever is being closed always close the lever with your fingers pressing tightly on top of the CPU to make sure the CPU is properly and completely seated in the socket ...

Page 11: ... ensure normal operation Use the following the recommendations for installing memory See Figure 1 on page 6 for the location of the memory slots q One DIMM You can install the DIMM into any slot q Two DIMMs Install into slots 1 and 2 or 3 and 4 The idea is to run on dual channel mode q Four DIMMs Install into slots 1 2 3 and 4 The idea is to run on dual channel mode Use the following procedure to ...

Page 12: ...owing procedure to install the I O shield and secure the motherboard into the chassis Note Be sure that the CPU fan assembly has enough clearance for the chassis covers to lock into place and for the expansion cards Also make sure the CPU Fan assembly is aligned with the vents on the covers Installing the I O Shield The motherboard kit comes with an I O shield that is used to block radio frequency...

Page 13: ...oard Connecting Cables and Setting Switches This section takes you through all the connections and switch settings necessary on the motherboard See Figure 1 to locate the connectors and jumpers referenced in the following procedure ...

Page 14: ...aligned with the connector on the motherboard Firmly plug the power supply cable into the connector and make sure it is secure Table 1 PW1 Pin Assignments Connector Pin Signal Pin Signal 1 3 3V 13 3 3V 2 3 3V 14 12V 3 GND 15 GND 4 5V 16 PS_ON 5 GND 17 GND 6 5V 18 GND 7 GND 19 GND 8 PWROK 20 5V 9 5V_AUX 21 5V 10 12V 22 5V 11 12V 23 5V 12 3 3V 24 GND 1 12 13 24 Hardware Installation ...

Page 15: ...ower connection is used to provide power to the CPU Align the pins to the connector and press firmly until seated PIN Assignment 1 GND 2 GND 3 GND 4 GND 5 12V 6 12V 7 12V 8 12V PW2 Pin Definition AUX Power Optional PIN Assignment 1 12V 2 GND 3 GND 4 5V AUX Power Pin Definition 1 4 1 ...

Page 16: ...C 2 NC 3 NC 4 SPK SPK Pin Definition Speaker Connector SPK Serial Port Connector COM 1 2 9 10 COM Case Open Detect Connector J1H4 COM Pin Definition PIN Assignment 1 DCD 2 RXD 3 TXD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 RI 10 NC J1H4 1 ...

Page 17: ...one 1394 pin headers that allow you to connect IEEE 1394 ports Certainly you can connect to real panel directly 1 2 9 10 CN4 Pin Definition PIN Assignment 1 TPA 2 TPA 3 Ground 4 Ground 5 TPB 6 TPB 7 Cable power 8 Cable power 9 Key no pin 10 Ground IEEE 1394 Cable optional Hardware Installation ...

Page 18: ...o connect the SerialATAII device to the motherboard These connectors support the thin Serial ATA II cables for primary storage devices The current Serial ATA II interface allows up to 3Gb s data transfer rate There are six serial ATA connectors on the motherboard that support AHCI and RAID configurations SATA5 SATA6 does not support IDE mode SATA 6 SATA 5 SATA 4 1 1 1 SATA 1 1 SATA 2 1 SATA 2 1 ...

Page 19: ...rs to the corresponding pins q PWR SW Attach the power button cable from the case to these two pins Pressing the power button on the front panel turns the system on and off rather than using the power supply button q HDD LED Attach the hard disk drive indicator LED cable to these two pins The HDD indicator LED indicates the activity status of the hard disks q RST SW Attach the Reset switch cable f...

Page 20: ...s This motherboard contains four USB 2 0 ports that are exposed on the rear panel of the chassis Figure 2 The motherboard also contains four 10 pin internal header con nectors onboard 1 Secure the bracket to either the front or rear panel of your chassis not all chassis are equipped with the front panel option 1 2 9 10 USB2 USB1 USB4 USB3 ...

Page 21: ... the front audio header your chassis must have front audio con nector Also please make sure the pin assignment on the cable is the same as the pin assignment on the mainboard header To find out if the chassis you are buying supports a front audio connector please contract your dealer PIN Assignment 1 MIC2 L 2 GND 3 MIC R 4 ACZ DET 5 Front Audio R 6 Reserved 7 FAVDIO JD 8 Key No pin 9 Front Audio L...

Page 22: ...ions on the motherboard The fan speed can be detected and viewed in the PC Health Status section of the CMOS Setup SYS FAN2 Connector Sense 12V GND CPU FAN Connector GND 12V Sense Control SYS FAN1 Connector Sense 12V GND CHIP FAN Connector 12V GND ...

Page 23: ... sure that it is fully seated Secure the card s metal bracket to the chassis back panel with the screw used to hold the blank cover PCI Express x16 Slots There are two PCI Express x16 slot reserved for graphics or video cards The band width of the x16 slot is up to 8GB sec complianting with PCIE 2 0 specification PCI Express x1 Slots optional There are two PCI Express x1 slot that is designed to a...

Page 24: ...e the motherboard s hardware Before using your computer make sure all jumpers and DRAM modules are set correctly Refer to this chapter whenever in doubt Notice 1 Be sure to save the CMOS setting when exit the CMOS 2 If the CPU is frequency multiplier locked no CPU speed change will be seen even if the frequency multiplier setting in CMOS setup is changed If you want to clear the system configurati...

Page 25: ... that provides PIO mode 0 4 Bus Master and Ultra DMA 66 100 133 function You can connect up to two hard disk drives CD ROM 120MB Floppy reserved for future BIOS and other devices Floppy Disk Drive Connector FDD The motherboard provides a standard floppy disk drive connector that supports 360K 720K 1 2M 1 44M and 2 88M floppy disk types 1 1 ...

Page 26: ...anagement features The settings made in the Setup Utility affect how the computer performs Before using the Setup Utility ensure that you understand the Setup Utility options This chapter provides explanations for Setup Utility options The Standard Configuration A standard configuration has already been set in the Setup Utility However we rec ommend that you read this chapter in case you need to m...

Page 27: ...ve Exit Setup Time Date Hard Disk Type Note The sample BIOS Setup Menu included here only shows a typical case and may not be exactly the same as the one on your unit Note that a brief description of each highlighted item will appear at the bottom of the screen Standard This setup page includes all the items of Award special CMOS Features standard features Advanced BIOS This setup page includes al...

Page 28: ...p Exit Without Abandons all CMOS value changes and exits setup Saving Standard CMOS Features The items in Standard CMOS Setup Menu are divided into 10 categories Each category includes one or more setup items Use the arrow keys to highlight the item and then use the PgUp or PgDn key to select the desired value in each item Phoenix Award WorkstationBIOS CMOS Setup Utility Standard CMOS Features Dat...

Page 29: ...set registers These registers control most of the system options in the computer This section allows you to configure the system based on the specific features of the installed chipset This chipset manages bus speeds and access to system memory resources such as DRAM and the external cache It must be stated that these items should not be altered The default settings have been chosen because they p...

Page 30: ...rity Option from BIOS Features Setup menu you will be prompted for the password only when you enter BIOS Setup Supervisor Password has higher priority than User Password You can use Supervisor Password when booting the system or entering BIOS Setup to modify all settings Also you can use User Password when booting the system or entering BIOS Setup but can not modify any setting if Supervisor Passw...

Page 31: ...WDFLASH ENTER 4 Enter the file name of the new BIOS 5 The question Do you want to save BIOS Y N is displayed Press N if there is no need to save the existing BIOS Press Y if a backup copy of the existing BIOS is needed A file name has to be assigned to the existing BIOS binary file 6 The message Press Y to program or N to exit is displayed Type Y ENTER 7 Wait until the flash update is completed 8 ...

Page 32: ...on your system setup the install disk may automatically run the install setp exe and pop up a menu If it does not run go to My Computer and click on the CD to open Usually you should install the Nvidia chipset driver first then install HDA driver then install HDMI driver After install all drivers you should restart your computer After finish installing driver you can open below page that provides ...

Page 33: ...DMI SETUP 1 You can connect HDMI device to the HDMI port directly or connect to DVI port by a DVI HDMI dongle 2 Enter Control Panel double click Sounds and Auddio Devices select NVIDIA HDMI Audio as default play back device then click ok ...

Page 34: ...33 Installing Drivers and Software ...

Page 35: ...n and the control panel will appear Sound Effect After clicking on the Sound Effect tab 3 sections Environment Equalizer and Karaoke are available for selection Environment Simulation You will be able to enjoy different sound experience by pulling down the arrow totally 23 kinds of sound effect will be shown for selection Realtek HD Audio Sound Manager also provides five popular settings Stone Cor...

Page 36: ...ent How to Use Other than the buttons Pop Live Club Rock shown on the page to pull down the arrow in Others you will find more optimized settings available to you Karaoke Mode Karaoke mode brings Karaoke fun back home by simply using the music you usually play Karaoke mode can help you eliminate the vocal of the song or adjust the key to accommodate your range Vocal Cancellation Single click on Vo...

Page 37: ...to you to create your favorite sound effect in one single tool Playback control Mute You may choose to mute single or multiple volume controls or to completely mute sound output Tool Show the following volume control This is to let you freely decide which volume control items to be displayed total 13 items to be chosen Advanced controls Enable playback multi streaming ...

Page 38: ... controls or to completely mute sound input Tool Show the following volume controls This is to let you freely decide which volume control items to be displayed Advanced controls Advanced control is a Microphone Boost icon Once this item is checked you will find advanced icon beside Front Pink In Mic Volume With this the input signal into Front Pink In Mic Volume will be strengthen Enable recording...

Page 39: ...s Instead now each jack is able to be chosen to perform either output i e playback function or input i e Recording function we call this Retasking Audio I O aims to help you setting jacks as you wish Moreover other than blue to blue pink to pink the way that you used to do Audio I O would guide you to other right jacks that can also serve as microphone speaker headphone 6 Channel or 8 Channel ...

Page 40: ... select the device you are trying to plug in If the device is being plugged into the correct jack you will be able to find the icon beside the jack changed to the one that is same as your device If not correct Realtek HD Audio Manager will guide you to plug the device into the correct jack 6 Channel or 8 Channel Installing Drivers and Software ...

Page 41: ...m are so called AC 97 jacks If so please check this item to disable front panel jack detection Enable auto popup dialogue when device has been plugged in Once this item checked the dialog Connected device would not automatically pop up when device plugged in S PDIF Short for Sony Philips Digital Interface a standard audio file transfer format S PDIF allows the transfer of digital audio signals fro...

Page 42: ...gital audio source The digital audio format such as wav mp3 midi etc will come out through S PDIF Out Speaker Calibration After you have successfully plugged in speakers and assigned to the right jacks you are only one more step to go to enjoy the intended sound We provide Speaker Calibration to help you check if the speakers are located in the correct position Installing Drivers and Software ...

Page 43: ... You will get the best quality if you chose 90 position which we recommend you to use this ef fectively means that you speak right into the microphone Note A Stereo Microphone is required when using Beam Forming function Acoustic Echo Cancellation This function prevents playback sound from being recorded by microphone together with your sound For example you might have chance to use VOIP function ...

Page 44: ...mo grants you another possibility to enjoy your sound The Audio Demo allows you to listen to sound in an extraordinary way Information This section provides information about your current system audio device Installing Drivers and Software ...

Page 45: ...chnolo gies work seamlessly to allow two graphics cards to operate in parallel and share the work and deliver heart pounding PC performance This section introduces steps to configure an SLI system on the motherboard Connecting Two Graphics Cards 1 install two SLI ready graphics cards of the same model to the PCIEx16 slot1 and PCIEx16 slot2 2 Insert the SLI bridge to the SLI gold edge connector on ...

Page 46: ... in your system tray and then select NVIDIA Control Panel The NVIDIA control panel will appear 2 Select Set SLI configuration from the side menu and then select the Enable SLI technology recommended checkbox in the SLI multi GPU dialog box System will restart after you click Apply Then the SLI configuration is completed ...

Page 47: ...r Manual Setting up the BIOS 1 Setting your computer then press Delete to enter the Bios setup The BIOS CMOS Setup Utility window appears 2 Use the arrow keys to select Integrated Peripherals then press Enter TheIntegrated Peripherals window appears ...

Page 48: ...RAID Config window enable RAID then enable the disks that you want to use as RAID disks 5 Press F10 to save the configuration and exit The PC reboots 6 Enter the RAID BIOS Setup by pressing F10 when prompted and proceed to set up the NVRAID BIOS as described in the next Section Installing Drivers and Software ...

Page 49: ... 4 If RAID 0 Striping is selected you can manually set the striping block size in the Striping Block field use the UP or DOWN ARROW ey to set the Striping Block size The KB is standard unit of Striping Block size We recommend you leaving it to the default setting Optimal 64k The size range is from 4k to 128k 5 Select the hard drivers which you wish to be included in the disk array The Free Disks s...

Page 50: ...If the hard drives contain previously created RAID array you need to press Y to clear the data from the hard drives 7 After that thenArray List screen displaying the RAID array you created will appear If you want to set the disk array as boot device use the UP or DOWN ARROW key to select the array and press B The Boot section will show Yes Installing Drivers and Software ...

Page 51: ... size disk model name and disk capacity etc 9 To delete the array press D in the Array Detail screen When the Delete this array message appears press Y to confirm or N to cancel Press ENTER to return to the Array List screen To exit the Nvidia RAID utility press ESC in the main menu or Ctrl X in the Array List screen Now you can proceed to install the SATA controller driver and operating system ...

Page 52: ... RAID Drivers 1 After you complete the RAID BIOS setup boot from the windowsxp CD The Windows Setup program starts 2 Press F6 and wait a few moments for the Windows Setup screen to appear Installing Drivers and Software ...

Page 53: ...52 NForce 750a series Motherboard 3 Specify the NVIDIA drivers 1 Insert the floppy that has the RAID driver press S then press Enter 2 Select NVIDIA RAID CLASS DRIVER and then press Enter ...

Page 54: ...ted in the floppy drive until the blue screen portion of Windows XP installation is completed then take out the floppy 5 Follow the instructions on how to install Windows XP During the GUI portion of the install you might be prompted to click Yes to install the RAID driver Click Yes as many times as needed in order to finish the instal lation This will not be an issue with a signed driver Installi...

Page 55: ...54 NForce 750a series Motherboard ...

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Page 57: ...56 NForce 750a series Motherboard 191 08AD6 010 ...

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