Asus P8Z77-M PRO - Manual (Page 34)

2-14 Chapter 2: Hardware information
Chapter 2
IRQ assignments for this motherboard
A B C D E F G H
PCIE x16_1 shared – – – – – – –
PCIE x16_2 – shared – – – – – –
PCIE x16_3 shared – – – – – – –
PCIE x1_1 shared – – – – – – –
Intel SATA – – – shared – – – –
EHCI #0 – – – – – – – shared
EHCI #1 – – – – – – – shared
XHCI #0 shared – – – – – – –
HDAUDIO – – – – – – shared –
Realtek LAN – shared – – – – – –
ASM USB3 – – shared – – – – –
ASM1061 – – – shared – – – –
2.2.5 Onboard switches
Onboard switches allow you to fine-tune performance when working on a bare or open-
case system. This is ideal for overclockers and gamers who continually change settings to
enhance system performance.
1.
BIOS Flashback switch
USB BIOS Flashback allows you to easily update the BIOS without entering the BIOS
or operating system. Just connect the USB storage device containing the BIOS file to
the USB port, press the BIOS Flashback switch, and the BIOS is updated automatically.
Refer to section 2.3.10 USB BIOS Flashback for more information about BIOS_FLBK
switch.