ASROCK IMB-170 User Manual page 28

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2.8.3 Installing Windows 7 64-bit / Vista 64-bit on a HDD
Larger than 2 terabytes (2TB) without RAID
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This motherboard adopts UEFI BIOS that allows Windows OS to be
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installed on a large size HDD (>2TB). Please make sure to use Windows
TM ®
Vista 64-bit (with SP2 or above) or Windows 7 64-bit and follow the
procedures below to install the operating system.
Using AHCI Mode
STEP 1: Set Up UEFI.
Press <F2> or <Delete> at system POST. Set AHCI Mode in UEFI Setup
Utility > Advanced > Storage Configuration > SATA Mode.
STEP 2: Press <F11> to launch boot menu at system POST and choose
the item "UEFI:<Optical disk drive>" to boot.
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STEP 3: Start Windows installation.
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