Pegsw1: Pcie Ceasefire Switch - MSI MEG Z390 GODLIKE Quick Start Manual

PCI_E1
Important
If you install a large and heavy graphics card, you need to use a tool such as MSI
y
Gaming Series Graphics Card Bolster to support its weight and to prevent deformation
of the slot.
For a single PCIe x16 expansion card installation with optimum performance, using
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the PCI_E1 slot is recommended.
When adding or removing expansion cards, always turn off the power supply and
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unplug the power supply power cable from the power outlet. Read the expansion
card's documentation to check for any necessary additional hardware or software
changes.
The M2_3 will be unavailable when installing PCIe device in to PCI_E5 slot.
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PEGSW1: PCIe CeaseFire Switch

The PCIe CeaseFire switch allows you to enable/ disable the PCIe slots (by CPU lanes)
conveniently and directly.
20
Overview of Components
PCI_E4
PCI_E5
ON
Slots
1 2
PCI_E1
PCI_E2
PCI_E4
(✓: enabled, ─: disabled)
PCI_E1
PCI_E2
ON
3 1 2 3
✓ ✓
✓ ─
✓ ✓
PCI_E4 PCI_E5
ON ON
1 2 3 1 2 3
✓ ─
─ ─
─ ─