IEI Integration IMBA-Q670 v2.10 - Manual (Page 48)

IMBA-Q670 ATX Motherboard
Page 32
3.2.15 PCIe x4 Slot
CN Label: PCIEX4_2
CN Type: PCIe x4 slot
CN Location: See Figure 3-18
The PCIe x4 slot is for PCIe x4 expansion cards.
Figure 3-16: PCIe x4 Slot Location
3.2.16 PCIe x16 Slot
CN Label: PCIEX16_1
CN Type: PCIe x16 slot
CN Location: See Figure 3-17
The PCIe x16 expansion cards slot is for PCIe x16 expansion cards.