Asus P9X79 User’s Manual

BIOS Converter User Guide for X79 series

The BIOS Converter is an ASUS-exclusive utility that allows you to convert the BIOS
structure from .ROM to .CAP for Windows 8 full-functionality.

The BIOS converters only apply to selected X79 series motherboards.

The following table details the X79 series motherboards and their corresponding BIOS
converters.

MB Model name BIOS Converter

P9X79 DELUXE P9X79-DELUXE-CAP-Converter.ROM

P9X79 PRO P9X79-PRO-CAP-Converter.ROM

P9X79 P9X79-CAP-Converter.ROM

SABERTOOTH X79 SABERTOOTH-X79-CAP-Converter.ROM

Rampage IV Extreme Rampage-IV-Extreme-CAP-Converter.ROM

Rampage IV Formula Rampage-IV-Formula-CAP-Converter.ROM

Rampage IV Gene Rampage-IV-Gene-CAP-Converter.ROM

Downloading the BIOS Converter

To download the BIOS Converter:

1. Go to the ASUS website at http://www.asus.com.

2. Key in your motherboard’s name to the Search eld, and press Enter.

3. Click Download tab, select an OS, and click BIOS Utilities.

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You can also click Download > BIOS to download the converter.

4. Download the BIOS converter and save it in the root directory of your USB storage
device.

DO NOT use the Update BIOS from Internet option of the ASUS Update utility to
download the BIOS Converter. Using this utility will automatically download and install the

latest .CAP le, not the BIOS converter.

BIOS Converter User Guide for X79 series

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Updating the BIOS

You can use the following methods to update your motherboard’s BIOS: USB BIOS

Flashback, EZ Flash 2, and ASUS Update.

After updating your motherboard’s BIOS with the BIOS converter from .ROM to .CAP, you

cannot reverse it back to its previous structure.

USB BIOS Flashback

USB BIOS Flashback allows you to easily update the BIOS structure without entering the
BIOS or the operating system. Simply insert the USB storage device containing the BIOS

Converter to the USB BIOS Flashback port, press the BIOS Flashback button or ROG
Connect button, and the BIOS structure is updated automatically.

Rename the BIOS Converter le before loading it to your motherboard. Refer to the table

below for the naming convention.

MB Model name Downloaded BIOS

Converter

P9X79 DELUXE P9X79-DELUXE-CAP-

Converter.ROM

P9X79 PRO P9X79-PRO-CAP-Converter.

ROM

P9X79 P9X79-CAP-Converter.ROM P9X79.ROM

SABERTOOTH X79 SABERTOOTH-X79-CAP-

Converter.ROM

Rampage IV Extreme Rampage-IV-Extreme-CAP-

Converter.ROM

Rampage IV Formula Rampage-IV-Formula-CAP-

Converter.ROM

Rampage IV Gene Rampage-IV-Gene-CAP-

Converter.ROM

New BIOS Converter name

P9X79D.ROM

P9X79PRO.ROM

SABERX79.ROM

R4E.ROM

R4F.ROM

R4G.ROM

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BIOS Converter User Guide for X79 series

To use the USB BIOS Flashback:

1. Insert the USB storage device to the USB BIOS Flashback port.

2. Press the USB BIOS Flashback button or ROG Connect button for three seconds until
the BIOS Flashback button’s LED light blinks.

3. Wait until the light goes out, indicating that the BIOS process is completed.

After the system reboots twice, the .CAP conversion process is done.

• Do not unplug the portable disk, power system, or press the CLR_CMOS button
during the updating BIOS update process. In case of interruption, please follow the

steps again.

• If the light ashes for ve seconds and turns into a solid light, this means that theIf the light ashes for ve seconds and turns into a solid light, this means that the

BIOS Flashback is not operating properly. This may be caused by improper installation

of the USB storage device and lename/le format error. If this scenario happens,

please restart the system.

• Updating BIOS may have risks. If the BIOS program is damaged during the processUpdating BIOS may have risks. If the BIOS program is damaged during the process

and results to the system’s failure to boot up, please contact your local ASUS Service

Center.

• Do not change the BIOS le extension from .CAP to .ROM when you update the BIOS
as this will cause the system to crash. If this happens, download the original .ROM
BIOS le and use the USB BIOS Flashback utility to recover your system’s previous

BIOS.

Buttons and ports location

P9X79 DELUXE

USB BIOS Flashback button

USB BIOS Flashback port

BIOS Converter User Guide for X79 series

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