AOpen AK79GMAX User Manual

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How To Use Phoenix Award™ BIOS Setup Prrooggrraamm

Generally, you can use the arrow keys to highlight items that you want to choose, then press <Enter> key to select, and use the <Page Up> and <Page Down> key to change setting value. You also can press <F1> key for help and press <Esc> key to quit Phoenix Award™ BIOS setup program. The following table provides details about how to use keyboard in the Phoenix Award BIOS setup program. By the way, all products of AOpen also provides a special function in the BIOS setup, you can press <F3> key selecting preferred menu language to display.



Page Up or +

Changing setting to next value or increase the value.

Page Down or -

Changing setting to previous value or decrease value.


Select the item.


1. In main menu: Quit and don’t save any change.


2. In sub menu: Exit current menu to main menu.

Up Arrow

Highlight previous item.

Down Arrow

Highlight next item.

Left Arrow

Move the light bar to left side of menu.

Right Arrow

Move the light bar to right side of menu.


Get menu or item help description.


Changing menu language.


Load previous setting value from CMOS.









Load Setup Defaults setting value from CMOS.


Load turbo setting value from CMOS.


Save changed setting and exit setup program.






How To Enter BIOS Setup

After you finish the setting of jumpers and connect correct cables. Power on and enter the BIOS Setup, press <Del> during POST (Power-On Self Test). Choose "Load Setup Defaults" for recommended optimal performance.


Warning: Please avoid of using "Load Turbo Defaults", unless you are sure your system components (CPU, SDRAM, HDD, etc.) are good enough for turbo setting.




WinBIOS Utility

In the past, users have to keep punching the DEL key at a good timing during POST

(Power-On-Self-Test)screen to get into the BIOS, which is inconvenient and clumsy. From now on, AOpen provides an easier way to configure your BIOS. WinBIOS is a customized utility for running exclusively on AOpen motherboards, which allows you to setup your BIOS under Windows environment. Designed withtraditional-BIOS-alikeinterface, you may adjust BIOS parameter with clear descriptions for each item.

WinBIOS is natively designed with multi-languagesupport. There are variouswidely-uselanguages provided on our website for your downloading, which also helps to prevent wrong settings caused by misunderstanding of the languages. The only thing you have to do is to visit our official website and download your

respective language pack (of few KB size), then double-clickon it to activate the support with your chosen language.

Moreover, with high scalability, either for newly bought motherboard or the latest BIOS version with new function, you don’t have to re-installthe whole program again and again. All you have to do is to grab the latest profile from our website, simplydouble-clickon it as well to support the latest version of your BIOS. You don’t have to spend any extra effort to have your motherboard supported by WinBIOS.



Function keys:

It’s definitely easy to handle WinBIOS as if you’re using traditional BIOS setting. Users can use the arrow keys such as to move around the items in WinBIOS screen. And use, “+” or“-”to change the setting value if they are available. Pressto get back to the previous screen. Furthermore, the hotkeys shown in the table may help you and save your time. Some settings may not come into effect until you reboot your system.






Function Description


Get help description.


Item Help


Changing menu language.


Load previous setting


Load setup default setting


Load turbo setting


Save changed setting and exit setup program.


Full Screen / Normal Mode



Caution: After updating your BIOS, please remember to update WinBIOS profile as well. If the upgraded BIOS version is newer than WinBIOS profile, WinBIOS will not be able to launch and a dialog box with error message will pop up. This verification is designed on purpose to protect your BIOS from damaged by wrong profile version.

For the latest WinBIOS profile and language pack modules, you may find them from AOpen official web site as shown below: (


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BIOS Upgrade under Windows environmentt

With outstanding R&D ability of AOpen, we now bring you a whole new BIOS Flash wizard

----EzWinFlash. With an eye to users convenience, EzWinFlash combines the BIOS binary code and flash module together, so the only thing you have to do is just clicking on the utility you downloaded from web and let it helps you complete the flash process automatically. EzWinFlash detects your

motherboard and checks the BIOS version cleverly to prevent your system from any possible failure. Moreover, EzWinFlash has been taken into consideration to go with any windows platform you might be using, no matter if you’re using Windows 95/98, 98SE/ME, NT4.0/2000, or even the latest Windows XP.

In the meanwhile, in order to provide a much more user-friendlyoperating environment, AOpen EzWinFlash is natively designed to havemulti-languagefunction to provide easier way for users’ usage in changing BIOS setting.

Caution: By updating your motherboard, you are taking a risk of BIOS flash failure. If your motherboard is working stable, and there are no major bugs that had been fixed by a latter BIOS revision, we recommend that you DO NOT try to upgrade your BIOS.

If you intent on upgrading, PLEASE BE SURE to get the right BIOS revision for the right motherboard model to avoid any possibility failure.

Note: The model name on this BIOS picture is for reference only. It may not be the exact model name.




You may accomplish BIOS upgrade procedure with EzWinFlash by the following steps, and it’s STRONGLY RECOMMENDED to close all the applications before you start the upgrading.

1.Download the new version of BIOS package zip file from AOpen official web site. (ex:

2.Unzip the download BIOS package (ex: WAK79GMAX102.ZIP) with WinZip ( in Windows environment.

3.Save the unzipped files into a folder, for example, WAK79GMAX102.EXE & WAK79GMAX102.BIN.

4.Double click on the WAK79GMAX102.EXE, EzWinFlash will detect the model name and BIOS version of your motherboard. If you had got the wrong BIOS, you will not be allowed to proceed with the flash steps.

5.You may select preferred language in the main menu, then click [Start Flash] to start the BIOS upgrade procedure.

6.EzWinFlash will complete all the process automatically, and a dialogue box will pop up to ask you to restart Windows. You may click [YES] to reboot Windows.

7.Press <Del> at POST to enter BIOS setup, choose "Load Setup Defaults", then “Save & Exit Setup”. Done!

It is strongly recommended NOT to turn off the power or run any application during FLASH PROCESS.

Warning: The new BIOS upgrade will permanently replace your original BIOS’s settings when flashing. You may need to reconfigure your BIOS setting so that your system can go back to work as normal.






Basically, AC97 CODEC is the standard structure of PCI sound card. As we know, computer is digital-based,but music is based onanalog-based.Therefore, there must be a process to turn digital into analog during the last stage processing of sound in computer. Hence, the component on sound card that play this important task is what we called CODEC.

Audio CODEC 97 (briefly called AC97) is the specification regulated by Intel, and it’s about the structure of audio conversion. The special place about CODEC is that it is separated from sound card (CODEC is an independent chipset). Therefore, PCI sound card could possess with 90db and do other application process as well. We called CODEC that meets this structure AC97 CODEC.

ACPI (Advanced Configuration & Power Interface)

ACPI is the power management specification of PC97 (1997). It intends to save more power by taking full control of power management to operating system and bypass BIOS. The chipset or super I/O chip needs to provide standard register interface to operating system (such as Windows 98). This is a bit similar as thePnP register interface. ACPI defines ATX momentary soft power switch to control the power state transition.

ACR (Advanced Communication Riser)

Building on the PC motherboard riser architecture, ACR slot is backward compatible with AMR but beyond the limitation of it. The ACR specification is designed to support modem, audio, Local Area Network (LAN) and Digital Subscriber Line (DSL).




AGP (Accelerated Graphic Port)

The main function of AGP simply put is to tell monitor what screen information had to be shown, a visual transmission device actually. With the rapid developing of AGP card, we can see that it had been developed from single colorful AGP card to 2D and 3D graphic. AGP supports only memory read/write operation and single-mastersingle-slaveone-to-oneonly. Though AGP and PCI share the same algorithm of32-bit,its frequencies are 66MHz and 33MHz respectively. AGP interface had been developed from 2X to 8x.

1X AGP, data transfer rate is 66MHz x 4byte x 1 = 264MB/s 2X AGP, data transfer rate is 66MHz x 4byte x 2 = 528MB/s 4X AGP, data transfer rate is 66MHz x 4byte x 4 = 1056MB/s. 8X AGP, data transfer rate is 66MHz x 4byte x 8 = 2112MB/s.

AMR (Audio/Modem Riser)

The CODEC circuit of AC97 sound/modem solution can be put on motherboard or put on a riser card (AMR card) that connects to motherboard through AMR connector.

ATA (AT Attachment)

Before talking about ATA (AT Attachment), we must understand DMA (Direct Memory Access), which allows devices to skip the CPU devices and access memory directly. DMA specification could not only eliminate the workload of CPU, but also accelerate the transmission of data. DMA begins with a data transfer rate of 16.6MB/Sec, but afterward developed to new data rate of 33.3MB/Sec, which is twice the data rate and we called itUltra DMA.ATA details power and data signals between the drive and integrated drive controller and the computer's motherboard. Two drives (master and slave) are supported. The ATA specification allows the drive to connect directly to the ISA bus on the computer. ATA transfer rate then had been developed to 133MHz/Sec and would come out with fastest rate later (please refer toSerial ATA).

DMA, data transfer rate is 16.6MHz/s.




Ultra DMA, data transfer rate is 16.6MHz x 2 = 33MB/s.

ATA/66, data transfer rate is 16.6MHz x 4 = 66MB/s.

ATA/100, data transfer rate is 16.6MHz x 6 = 100MB/s.

ATA/133, data transfer rate is 16.6MHz x 8 = 133MB/s.

(ATA/133 uses both rising edge and falling edge as ATA/66 but clock cycle time is reduced to 30ns.)

BIOS (Basic Input/Output System)

BIOS, is a set of assembly routine/program that reside in EPROM orFlash ROM. BIOS controls Input/output devices and other hardware devices of motherboard. In general, to provide hardware independent portability, operation system and drivers is required to access BIOS without directly access hardware devices.


Bluetooth is a wireless transferring technology that enables short-rangewireless connections between desktop and laptop computers, personal digital assistants (PDAs), cellular phones, printers, scanners, digital cameras and even home appliances. The principle of Bluetooth (a chipset) is to transfer information and voices at the frequency of ISM Band. Every Bluetooth technology devices do come with a standard address for you to connectone-to-oneorone-to-seven(to form aPico-net),with transferring range up to 10 meters (100 meters to follow), using low power radio. Bluetooth do not only possess high transfer rate of 1MB/s, it also could be encrypted with pin code. With hopping rate of 1600 hops per second, it’s difficult to be intercepted and are less interrupted by electromagnetic wave.