IEI Integration PCIE-Q870-i2 - Manual (Page 73)

PCIE-Q870-i2 PICMG 1.3 CPU Card
Page 56
4.3.5 PCIe x16 Interface Setup
The PCIE-Q870-i2 supports one PCIe x16 interface on the backplane. The PCIe x16
interface setup is made through the BIOS menu in “Chipset Æ PCH-IO Configuration”.
Use the PCIEX16 Power BIOS option to configure the PCIe x16 channel mode.
Options Description
1 x16 PCIE Sets the PCIe x16 slot as one PCIe x16. (default)
2 x8 PCIE Sets the PCIe x16 slot as two PCIe x8
1 x8, 2 x4 PCIE Sets the PCIe x16 slot as one PCIe x8 or two PCIe x4
Table 4-4: PCIe x16 Interface Setup
Please refer to Section 5.4.1 for detailed information.
4.3.6 USB Power Selection
The USB power selection is made through the BIOS menu in “Chipset Æ PCH-IO
Configuration”. Use the USB SW1 Power and the USB SW2 Power BIOS options to
configure the correspondent USB ports (see Table 4-5) and refer to Table 4-6 to select
the USB power source.
BIOS Options Configured USB Ports
USB SW1 Power
CN5 (external USB 3.0 port)
CN6 (external USB 3.0 port)
USB SW2 Power
USB1 (internal USB 2.0 ports)
USB2 (internal USB 2.0 ports)
CN7 (internal USB 3.0 ports)
Table 4-5: BIOS Options and Configured USB Ports
Options Description
+5V DUAL +5V dual (default)
+5V +5V
Table 4-6: USB Power Source Setup
Please refer to Section 5.4.1 for detailed information.