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ASUS P8Z68-V PRO/GEN3
2-13
Chapter 2
• In single VGA card mode, use the PCIe 3.0/ 2.0 x16_1 slot (navy blue) for a PCI
Express x16 graphics card to get better performance.
• In CrossFireX™ or SLI™ mode, use the PCIe 3.0/ 2.0 x16_1 and PCIe 3.0/ 2.0 x16_2
slots for PCI Express x16 graphics cards to get better performance.
• We recommend that you provide sufcient power when running CrossFireX™ or SLI™
mode. Refer to page 2-28 for details.
•
Actual PCIe speed depends on installed CPU type.
• Connect a chassis fan to the motherboard connector labeled CHA_FAN1/2 when using
multiple graphics cards for better thermal environment. See page 2-26 for details.
IRQ assignments for this motherboard
A B C D E F G H
PCIEx16_1 shared – – – – – – –
PCIEx16_2 shared – – – – – – –
PCIEx16_3 – shared – – – – – –
PCIEx1_1 – – shared – – – – –
PCIEx1_2/USB3_1234 – shared – – – – –
PCI_1 – – shared – – – – –
PCI_2 – – – shared – – – –
LAN_1 – – – shared – – –
USB 2.0 Controller 1 – – – – – – – shared
USB 2.0 Controller 2 – – – – – – – shared
USB 3.0 Controller shared
SATA Controller – – shared – – – – –
Marvell
®
SATA 6G
Controller
– – – shared – – – –
JMicron ATA Controller – – – shared – – – –
1394 Controller – shared – – – – – –
HD Audio – – – – – – shared –
I.G.D. (Internal Graphics
Device)
shared – – – – – – –
* Refer to PCI Express x16_3 slot (black) bandwidth on page 3-22 for details.
PCIEX16_3
conguration
PCI Express sharing mode
PCIEX16_3 PCIEX1_1 PCIEX1_2 USB3_34 ESATA
Auto Mode
X1 X1
N/A
X1 X1
X4 Mode
X 4
(Recommend
for high speed
device)
N/A N/A N/A N/A
X1 Mode
X1 X1 X1
N/A
X1