Gigabyte GA-6PXSVT User Manual page 34

30) PCIE_SW (PCIE_1 and PCIE_2 bandwidth switch Jumper)
31) BIOS_WP (BIOS Write Protect Jumper)
Hardware Installation
1
1-2 Close: PCIE_2 operates in x16 bandwidth.
(Default setting)
1
2-3 Close: PCIE_2 operates in x8 bandwidth.
1
1-2 Close: Normal operation. (Default setting)
1
2-3 Close: Enable BIOS write protect function.
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