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Chapter 1 

Introduction of AMD 790GX Motherboards 

1-1    Features of motherboard 

The  AMD  790GX  chipset  motherboard  series  are  based  on  the  latest  AMD  790GX 
Chipsetand  the  SB750  chipset  which  supports  the  following  AM3  CPU  in  the  95W 
range: Phenom II x 6;Phenom II x 4

Phenom II x 3

Phenom II x2

Athlon II x4

Athlon 

II x3

Athlon II x2

Sempron The board also support socket AM2 CPU udder 65W and 

socket AM2+ CPU under 95 W. With an integrated low-latency high-bandwidth DIMM 
memory  controller  and  a  highly-scalable  Hyper  Transport  technology-based  system 
bus up to HT 3.0. AMD 790GX Platform Processor Chipset motherboard series deliver 
the outstanding system performance and professional desktop platform solution.   

The AMD 790GX Series motherboard comes with a DDRII memory controller for dual 
channel DDRII 400/DDRII 533/ DDRII 667/DDRII 800 memory module with capacity 
expansible  up  to  8GB.  These  motherboards  are  embedded  with  SB750  chipset  of 
providing ULTRA ATA 133 connectors and Serial ATA2 with RAID 0/1/5/10 functions 
which  support  up  to  two  IDE  and  six  Serial  ATA2  devices  to  accelerate  hard  disk 
drives  and  guarantee  the  data  security  without  failure  in  advanced  computing 
performance.   

The  AMD  790GX  motherboards  provide  PCI-E  Gigabit  LAN  chip  which  support 
10/100/1000Mbps data transfer rate. And the embedded ALC662 6-channel HD Audio 
CODEC is fully compatible with Sound Blaster Pro standards that offer you with the 
home cinema quality and satisfying software compatibility. 

AMD 790GX series motherboards offer one PCI-Express 2.0 x16 by 16 deliver up to 
8Gbyte/sec  data  transfer  rate  at  each  relative  direction.  The  AMD  790GX 
motherboards also  carry  two  32-bit PCI  slots  guarantee  the  rich  connectivity  for the 
I/O peripheral devices.   

Embedded  USB  controllers  as  well  as  capability  of  expanding  to  8  of  USB2.0 
functional  ports  delivering  480Mb/s  bandwidth  of  rich  connectivity,  these 
motherboards meet the future USB demands which are also equipped with hardware 
monitor  function  on  system  to  monitor  and  protect  your  system  and  maintain  your 
non-stop business computing.     

Some  special  features---

CPU  Thermal  Throttling/  CPU  VID  /CPU  VcoreOC-CON 

/G.P.I.Funtion 

in  this  motherboard  are  designed  for  power  user  to  use  the 

over-clocking  function  in  more  flexible  ways.  But  please  be  caution  that  the 
over-clocking  maybe  causes  the  fails  in  system  reliabilities.  This  motherboard 
provides the guaranteed performance and meets the demands of the next generation 
computing. But if you insist to gain more system performance with variety possibilities 
of the components you choose, please be careful and make sure to read the detailed 
descriptions  of  these  value  added  product  features,  please  get  them  in  the  coming 
section.   

Содержание 790GX

Страница 1: ...ocessor Trademark Specifications and information contained in this documentation are furnished for information use only and are subject to change at any time without notice and should not be construed...

Страница 2: ...ops attached on PCB or the surface of the components can bring about phenomena as minor as computer instability resulted from corrosion and oxidation from components and PCB or as major as short circu...

Страница 3: ...1 3 ITEM CHECKLIST 3 1 4 LAYOUT DIAGRAM 4 CHAPTER 2 HARDWARE INSTALLATION 2 1 CPU INSTALLATION 5 2 2 INSTALL MEMORY 6 2 3 EXPANSION SLOTS 7 CHAPTER 3 CONNCTORS HEADERS JUMPERS SETTING 3 1 CONNECTORS...

Страница 4: ...pport 10 100 1000Mbps data transfer rate And the embedded ALC662 6 channel HD Audio CODEC is fully compatible with Sound Blaster Pro standards that offer you with the home cinema quality and satisfyin...

Страница 5: ...ge can be adjusted for the precisely over clocking of extra demanding computing performance CPU Vcore Input Output Solid Capacitors High polymer Solid Electrolysis Aluminum Capacitors CPU Vcore Input...

Страница 6: ...Mastering ATA PIO DMA and the ULTRA DMA 33 66 100 133 functions that deliver the data transfer rate up to 133 MB s for 2 IDE Devices and for 6 Serial ATA2 ports providing 300 MB sec data transfer rate...

Страница 7: ...r Led AMD 790GX Chipset Front Panel Audio Header K B USB Power On JP1 COM Header USB Connector PS 2 Mouse PS 2 Keyboard Line OUT MIC IN USB Connector CPUFAN SYS FAN1 PCI Express2 0 x16 16 lane VGA Con...

Страница 8: ...s the processor s heat sink and CPU cooling FAN is working correctly otherwise it may cause the processor and motherboard overheat and damage you may install an auxiliary cooling FAN if necessary To i...

Страница 9: ...hannel function Dual channel Limited 1 Dual channel function only supports when 2 DIMM Modules plug in both DIMM1 DIMM2 2 Memory modules plugged in DIMM1 DIMM2 must be of the same type same size and s...

Страница 10: ...ive direction and up to 16Gbyte sec concurrent bandwidth at full speed Fully compliant to the PCI Express Base Specification revision2 0 support PCI Express VGA card and other PCI Express device Two 3...

Страница 11: ...er plugs If you intend to use a PSU with 20 pin and 4 pin power plugs make sure that the 20 pin power plug can provide at least 15A on 12V and the power supply unit has a minimum power rating of 350W...

Страница 12: ...Connector KB The connectors are for PS 2 keyboard and PS 2 Mouse 4 USB Port connector CN5 UL1 for USB The connectors are 4 pin connector that connects USB devices to the system board 5 LAN Port connec...

Страница 13: ...wise the system performance on this channel may drop 8 Serial ATAII Port connector SATA1 SATA6 This connector supports the provided Serial ATA2 IDE hard disk cable to connecting the motherboard with s...

Страница 14: ...A G N D D A T A 3 Speaker connector SPEAK1 This 4 pin connector connects to the case mounted speaker See the figure below 4 Power LED PWR LED PWRLED1 The Power LED is light on while the system power i...

Страница 15: ...upport cooling fans of 350mA 4 2 Watts or less depending on the fan manufacturer the wire and plug may be different The red wire should be positive while the black should be ground Connect the fan s p...

Страница 16: ...to external speakers or compressed AC3 data to an external Dolby digital decoder Use this feature only when your stereo system has digital input function Some of the VGA Card need connect SPDIF IN Co...

Страница 17: ...JBAT to store the CMOS data To clear the CMOS follow the procedure below 1 Turn off the system and unplug the AC power 2 Remove ATX power cable from ATX power connector 3 Locate JBAT and short pins 2...

Страница 18: ...ghts are lit and hard drive is spinning Using ever pressure on both ends of the DIMM press down firmly until the module snaps into places System doesn t boot from hard disk drive can be booted from op...

Страница 19: ...e than 65 W to ensure long term working order Note 1 The relation between CPU Power Consumption Amount and Power Phase depending on difference in voltage rating one phase of power can provide 25 30W t...

Страница 20: ...rry away heat produced by MOSFET for better heat dissipation effects At the same time we suggest using well ventilated cases to maintain temperature as 38 approximately inside 38 is recommended by CPU...

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