IEI Technology PCIE-Q470, User Manual, Page: 74 / 90

PCIE-Q470 Full-size PICMG 1.3 CPU Card
Page 74
4.6.3 Clear CMOS Button
To reset the BIOS, remove the on-board battery and press the clear CMOS button for three
seconds or more. The clear CMOS button location is shown in Figure 4-9.
Figure 4-9: Clear CMOS Button Location
4.6.4 PCIe x16 Channel Mode Setup
The PCIE-Q470 supports one PCIe x16 interface on the backplane. The PCIe x16 channel
mode
setup is made through the BIOS menu in “Chipset →
System Agent (SA)
Configuration
→
PEG Port Configuration
”. Use the
PEG Link Width Configuration BIOS
option to configure the PCIe x16 channel mode.
Options Description
1x16 Sets the PCIe x16 link width as one PCIe x16 slot (default)
2x8 Sets the PCIe x16 link width as two PCIe x8 slots
1x8, 2x4 Sets the PCIe x16 link width as one PCIe x8 and two PCIe x4
Table 4-3: PCIe x16 Channel Mode Setup