My question:
How do I find out which of my PCIe lanes are what speeds? Also, am I able to reconfigure them (simply, if lane 2 is x8 and lane 3 x4, can i make the inverse happen so that lane 2 is x4 and lane 3 x8)?
The information:
I have a GA-Z87X-OC MOBO and the specs say that it has the following:
- 1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one expansion card is to be installed, be sure to install it in the PCIEX16 slot.
- 1 x PCI Express x16 slot, running at x8 (PCIEX8)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. It will operate at up to x8 mode when the PCIEX16 is populated.
- 2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)
* The PCIEX4_1 slot shares bandwidth with the PCIEX16 and PCIEX8 slots. When it is populated, the PCIEX16 slot will operate at up to x8 mode and the PCIEX8 slot will operate at up to x4 mode.
* When installing a x8 or above card in the PCIEX4_1 slot, make sure to set PCIE Slot Configuration in BIOS Setup to x4. (Refer to Chapter 2, "BIOS Setup," "Peripherals," for more information.)
(The PCIEX16, PCIEX8, and PCIEX4_1 slots conform to PCI Express 3.0 standard.)
Additonally, the MOBO Guide says that when setting up the first initiation of the monitor display I can select from the following:
- PCIe 1 Slot = Sets the graphics card on the PCIEX16 slot as the first display
- PCIe 2 Slot = Sets the graphics card on the PCIEX4_1 slot as the first display
- PCIe 3 Slot = Sets the graphics card on the PCIEX8 slot as the first display
- PCIe 4 Slot = Sets the graphics card on the PCIEX4_2 slot as the first display
How do I find out which of my PCIe lanes are what speeds? Also, am I able to reconfigure them (simply, if lane 2 is x8 and lane 3 x4, can i make the inverse happen so that lane 2 is x4 and lane 3 x8)?
The information:
I have a GA-Z87X-OC MOBO and the specs say that it has the following:
- 1 x PCI Express x16 slot, running at x16 (PCIEX16)
* For optimum performance, if only one expansion card is to be installed, be sure to install it in the PCIEX16 slot.
- 1 x PCI Express x16 slot, running at x8 (PCIEX8)
* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. It will operate at up to x8 mode when the PCIEX16 is populated.
- 2 x PCI Express x16 slots, running at x4 (PCIEX4_1, PCIEX4_2)
* The PCIEX4_1 slot shares bandwidth with the PCIEX16 and PCIEX8 slots. When it is populated, the PCIEX16 slot will operate at up to x8 mode and the PCIEX8 slot will operate at up to x4 mode.
* When installing a x8 or above card in the PCIEX4_1 slot, make sure to set PCIE Slot Configuration in BIOS Setup to x4. (Refer to Chapter 2, "BIOS Setup," "Peripherals," for more information.)
(The PCIEX16, PCIEX8, and PCIEX4_1 slots conform to PCI Express 3.0 standard.)
Additonally, the MOBO Guide says that when setting up the first initiation of the monitor display I can select from the following:
- PCIe 1 Slot = Sets the graphics card on the PCIEX16 slot as the first display
- PCIe 2 Slot = Sets the graphics card on the PCIEX4_1 slot as the first display
- PCIe 3 Slot = Sets the graphics card on the PCIEX8 slot as the first display
- PCIe 4 Slot = Sets the graphics card on the PCIEX4_2 slot as the first display
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