User Manual

Table Of Contents

3.8 Installing a PCIe expansion card

Your Embedded Computer comes with ve (5) PCIe expansion slots on the

riser board, which will auto-detect the expansion card(s) installed and adjust

bandwidth between Mode 1 (1 x PCIe Gen4 x16 + 3 x PCIe Gen 4 x4) and

Mode 2 (2 x PCIe Gen4 x8 + 3 x PCIe Gen4 x4).

PCIe slot

Operation mode Power allocation

Mode 1 Mode 2 Maximum Shared with

PCIE_SLOT1 - x8 450 W PCIE_SLOT3

PCIE_SLOT4

PCIE_SLOT5

PCIE_SLOT2 x4 x4 225 W Motherboard

PCIE_SLOT3 x16 x8 450 W PCIE_SLOT1

PCIE_SLOT4

PCIE_SLOT5

PCIE_SLOT4 x4 x4 450 W PCIE_SLOT1

PCIE_SLOT3

PCIE_SLOT5

PCIE_SLOT5 x4 x4 450 W PCIE_SLOT1

PCIE_SLOT3

PCIE_SLOT4

EAPWR_POE

PCIE_SLOT1

PCIE_SLOT2

PCIE_SLOT3

PCIE_SLOT4

PCIE_SLOT5

EATX12V_1201

EATX12V_1202

EATX12V_1203

EATX12V_1204

EXPWR_GEN5

CHA_FAN1

DCIN

NOTE: The PCIe slots support expansion cards with a maximum length

of 350 mm.