MSI MS-7666 - PCI Express Slots

Hardware Setup
MS-7666
Chapter 2
2-23
Hardware Setup
MS-7666
Chapter 2
Slots
PCIE (Peripheral Component Interconnect Express) Slot
The PCI Express slot supports the PCI Express interface expansion card.
PCI Express x16 Slot
PCI Express x1 Slot
Important
When adding or removing expansion cards, make sure that you unplug the power sup-
ply 󰘰rst. Meanwhile, read the documentation for the expansion card to con󰘰gure any
necessary hardware or software settings for the expansion card, such as jumpers,
switches or BIOS con󰘰guration.
PCIE x16 slots Population Rule
Please refer to the following illustrations for PCIE x16 population rules. And the follow-
ing table details the PCIE x16 lanes con󰘰guration with/ without installed expansions
card(s).
1 expansion
card
2 expansion
cards
3 expansion
cards
4 expansion
cards
5 expansion
cards
6 expansion
cards
PCI_E2 Lane x16
@
x16
@
x16
@
x8
@
x8
@
x8
@
x8
@
PCI_E3 Lane x0 x0 x0 x0 x0 x4
@
x4
@
PCI_E4 Lane x0 x0 x0 x8
@
x8
@
x4
@
x4
@
PCI_E5 Lane x16 x16
@
x8
@
x8 x8
@
x8
@
x8
@
PCI_E6 Lane x0 x0 x8
@
x8
@
x8
@
x8
@
x4
@
PCI_E7 Lane x0 x0 x0 x0 x0 x0 x4
@
@ : expansion card installed slot