Pcie X4 Slot Function Select Jumper (Jp8, Jp9) - AXIOMTEK IMB202 Series User Manual

2.3.4 PCIe x4 Slot Function Select Jumper (JP8, JP9)

CN23 PCIe x4 slot function for PCIe x1 or PCIe x4
Function
CN21: PCIe x1
CN23: PCIe x1
CN21: Disable
CN23: PCIe x4
NOTE The ICH9 supports only one PCIe x4 (via lane #0~4) or four
PCIe x1, so these jumpers (JP8 & JP9) are to allow
customer setting it as one PCIe x4 or PCIe x1 which could
co-work with CN21 to have another PCIe x1 slot.
Jumpers and Connectors
IMB202 LGA775 ATX Board User's Manual
JP8
(Open) (Open)
(Short) (Short)
JP9
9