1-22
Chapter 1: Product introduction
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
I.G.D.
Shared
–
–
–
–
–
–
–
HD Audio 1 Controller
Shared
–
–
–
–
–
–
HD Audio 2 Controller
–
–
–
–
–
Shared
–
EHCI 1 Controller
–
–
–
–
–
–
–
Shared
EHCI 2 Controller
Shared
–
–
–
–
–
–
–
XHCI Controller
–
–
–
–
–
Shared
–
–
SATA Controller
–
–
–
Shared
–
–
–
–
PCIE x16_1
Shared
–
–
–
–
–
–
–
PCIE x16_2
Shared
–
–
–
–
–
–
PCIE x1_1
–
Shared
–
–
–
–
–
PCIE x1_2
–
–
Shared
–
–
–
–
Intel LAN
–
–
–
–
Shared
–
–
–
PCI Slot 1
–
–
–
Shared
–
–
–
–
PCI Slot 2
Shared
–
–
–
–
–
–
–
•
We recommend that you provide sufficient power when running CrossFireX™ or SLI™
mode.
•
Connect a chassis fan to the motherboard connector labeled CHA_FAN1-4 when
using multiple graphics cards for better thermal environment.
VGA configuration
PCI Express 3.0 operating mode
PCIe 3.0/2.0 x16_1
PCIe 3.0/2.0 x16_2
Single VGA/PCIe card
x16 (single VGA
recommended)
N/A
Dual VGA/PCIe card
x8
x8
Summary of Contents for Z87-A
Page 1: ...Motherboard Z87 A ...
Page 15: ...ASUS Z97 A 1 5 1 3 1 Installing the CPU ...
Page 114: ...A 6 Appendices ...
