Asus STRIX B250H GAMING, Manual, Page: 22 / 76

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Chapter 1: Product Introduction
Chapter 1
• We recommend that you provide sufficient power when running CrossFireX™ mode.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1-2 when
using multiple graphics cards for better thermal environment.
IRQ assignments for this motherboard
A B C D
PCIe x1_1 – – shared –
PCIe x16_1 shared – – –
PCIe x1_2 – – – shared
PCIe x16_2 shared – – –
PCIe x1_3 – – shared –
PCIe x1_4 – – – shared
XHCI Controller shared – – –
SATA Controller shared – – –
HD Audio shared – – –
SMBUS Controller shared – – –
Intel Lan i219V shared – – –