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ASUS SABERTOOTH Z87
1-21
Chapter 1
• We recommend that you provide sufcient 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.
IRQ assignments for this motherboard
PCIe x16_3
Conguration
PCI Express sharing mode
PCIe x16_3 PCIe x1_1 PCIe x1_2 PCIe x1_3 eSATA 6Gb/s
x1 mode x1 x1 x1 x1 Disabled
x4 mode x4 Disabled Disabled Disabled Disabled
eSATA mode x1 N/A x1 x1 Enabled
A B C D E F G H
PCIe x16_1 shared – – – – – – –
PCIe x16_2 – shared – – – – – –
PCIe x16_3 shared – – – – – – –
PCIe x1_1 shared – – – – – – –
PCIe x1_2 – shared – – – – – –
PCIe x1_3 – – shared – – – – –
SMBUS Controller – – shared – – – – –
Intel
®
SATA Controller – – – shared – – – –
Intel
®
LAN – – – – shared – – –
USB 2.0 (mid-board) shared – – – – – – –
USB 2.0 (rear I/O) – – – – – – – shared
USB 3.0 – – – – – shared – –
ASM1061 SATA
Controller (rear I/O)
– – shared – – – – –
ASM1061 SATA
Controller (mid-board)
– – shared – – – – –
HD Audio – – – – – – shared –