Used this model cpu must be upgrade to the motherboard bios version 3203 or later
Maximus IV extreme -Z cpu support list by asus website:
http://support.asus.com/cpusupport/list.aspx?SLanguage=en&m=maximus iv extreme-z&p=1&s=39
so, please help to check you os version the to upgrade the motherboard bios and reference followed as:
For windows7/8:
bios file download link:
http://support.asus.com/Download.aspx?SLanguage=en&p=1&s=39&m=Maximus%20IV%20Extreme-Z&os=29&ft=3&f_...note:
For proper operation, please ensure to update Intel Rapid Storage Technology driver to version 11.5.0.1207 and BIOS to version 3603 before enabling Intel Smart Response Technology.
Update procedure for users needing Intel Smart Response Technology:
(1) Enter OS, and ensure Intel Smart Response Technology has been turned off under Intel Rapid Storage Technology interface.
(2) Install version Intel Rapid Storage Technology driver to version 11.5.0.1207
(3) Reboot the system, and update BIOS to version 3603, then reboot.
(4) Enter the BIOS setup screen, press F5 to load BIOS default, then change the Intel SATA Port to RAID mode.
(5) Boot into OS, and re-enable Intel Smart Response Technology under Intel Rapid Storage Technology.
Windows XP/Vista:
bios file download link:
http://support.asus.com/Download.aspx?SLanguage=en&p=1&s=39&m=Maximus%20IV%20Extreme-Z&os=29&ft=3&f_...note:
For proper operation, please ensure to update Intel Rapid Storage Technology driver to version 11.2.0.1006 and BIOS to version 3603 before enabling Intel Smart Response Technology.
Update procedure for users needing Intel Smart Response Technology:
(1) Enter OS, and ensure Intel Smart Response Technology has been turned off under Intel Rapid Storage Technology interface.
(2) Install version Intel Rapid Storage Technology driver to version 11.2.0.1006
(3) Reboot the system, and update BIOS to version 3603, then reboot.
(4) Enter the BIOS setup screen, press F5 to load BIOS default, then change the Intel SATA Port to RAID mode.
(5) Boot into OS, and re-enable Intel Smart Response Technology under Intel Rapid Storage Technology.