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2.6 Expansion Slots (PCI Express Slots)
There are 2 (E3C242D4M-4L) or 5 (E3C246D4M-4L) PCI Express slots on this motherboard.
PCIE slot:
E3C246D4M-4L / E3C242D4M-4L:
PCIE2 (PCIe 3.0 x8 slot) is used for PCI Express x4 lane width cards.
PCIE6 (PCIe 3.0 x16 slot) is used for PCI Express x16 lane width cards.
Slot
PCIE 6
PCIE 2
E3C246D4M-4L:
PCIE3, PCIE4 and PCIE5 (PCIe 3.0 x1 slot) are used for PCI Express x1 lane width cards.
Slot
PCIE 5
PCIE 4
PCIE 3
PCI Express Slot Configuration
The PCIE6 slot shares lanes with the mezzanine card slot (MEZZ_1). When MEZZ_1 is
populated with a mezzanine card, the PCIE6 slot will operate at up to x8 mode.
Installing an expansion card
Step 1.
Before installing an expansion card, please make sure that the power
supply is switched off or the power cord is unplugged. Please read the
documentation of the expansion card and make necessary hardware
settings for the card before you start the installation.
Step 2.
Remove the system unit cover (if your motherboard is already installed
in a chassis).
Step 3.
Remove the bracket facing the slot that you intend to use. Keep the
screws for later use.
Step 4.
Align the card connector with the slot and press firmly until the card is
completely seated on the slot.
Step 5.
Fasten the card to the chassis with screws.
Step 6.
Replace the system cover.
24
Generation
Mechanical
3.0
x16
3.0
x8
Generation
Mechanical
3.0
x1
3.0
x1
3.0
x1
No mezzanine card
MEZZ_1 is populated
Electrical
Source
x16
x4
Electrical
Source
x1
x1
x1
PCIE6
x16
x8
CPU
PCH
PCH
PCH
PCH
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