TYAN S7103 Manual page 117

3.5.5.2 Socket 1 Configuration
IDU0 (IIO PCIe Br1)
Selects PCIe port Bifurcation for selected slot(s).
x4x4x4x4 / x4x4x8 / x8x4x4 / x8x8 / x16 / Auto
IDU1 (IIO PCIe Br2)
Selects PCIe port Bifurcation for selected slot(s).
x4x4x4x4 / x4x4x8 / x8x4x4 / x8x8 / x16 / Auto
IDU2 (IIO PCIe Br3)
Selects PCIe port Bifurcation for selected slot(s).
x4x4x4x4 / x4x4x8 / x8x4x4 / x8x8 / x16 / Auto
Socket 1 PcieBr1D00F0 – Port 1A
Settings related to PCI Express Ports
(0/1A/1B/1C/1D/2A/2B/2C/2D/3A/3B/3C/3D/4A/5A).
Socket 1 PcieBr1D02F0 – Port 1C
Settings related to PCI Express Ports
(0/1A/1B/1C/1D/2A/2B/2C/2D/3A/3B/3C/3D/4A/5A).
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