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OC PCIe Switch and PCIe Slot LED Indicators
The OC PCIe switch allows you to manually turn off specific PCI Express slot(s) (except for the PCI Express x1
slot) without physical removal. The PCIe slot LED indicators display whether an expansion card is functioning
normally in a specific PCIe slot; if yes, the light will be on.
OC Buttons
GIGABYTE's unique OC buttons help enthusiasts and overclockers not only get the most performance from
their hardware, but also the absolute most enjoyable OC experience with features like overclocking the CPU in
real-time, automatically loading the most optimized overclocking configuration for the processor and memory,
and loading users' customized settings, etc.
RATIO_UP
OC Ignition button (OC_IGNITION):
The OC Ignition feature maintains power to your motherboard and connected components while the system is shut down.
After pressing this button, be sure to press the power button to take effect.
OC Tag button (TAG):
This button allows users to load their customized settings (using the Save to Tag profile created in BIOS Setup) so you can
apply your custom settings after clearing CMOS.
Settings Lock button (SET_LOCK):
The GIGABYTE settings lock button allows the system to automatically remember your last successful settings, even after
clearing CMOS. With one touch, the Settings Lock button can quickly revert to the previous good settings; a very useful tool
for overclockers tuning their BIOS to perfection. Note: This function is not available when ErP is enabled.
Direct to BIOS button (DTB):
This button helps users more easily to directly enter the BIOS at any time before rebooting the system. (Pressing this button
during the POST process allows you to immediately enter BIOS Setup. Enter BIOS Setup directly on next boot if the button
is pressed after the POST process.)
Hardware Installation
PCIE_SW
Disabling PCIE_1
Disabling PCIE_4
PE1_L_LED~PE4_L-LED
Disabling PCIE_2
PCIE_SW
Disabling PCIE_3
LED
PE1_L_LED
PE4_L_LED
PE2_L_LED
PE3_L_LED
RATIO_DW
CPU Ratio Down Button (RATIO_DW):
Lowers the CPU ratio.
RST_SW
SET_LOCK
DTB
CPU Ratio Up Button (RATIO_UP):
FREQ_DW
TGR
Raises the CPU ratio.
GEAR
TAG
CPU BCLK Down Button (FREQ_DW):
OC_IGNITION
FREQ_UP
Lowers the CPU base clock.
CPU BCLK Up Button (FREQ_UP):
Raises the CPU base clock.
Gear Button
Changes BCLK stepping to 0.1 MHz or 1 MHz.
- 24 -
Slot
DIP Setting
DIP 1
DIP 2 DIP 3 DIP 4
OFF
ON
ON
ON
OFF
ON
ON
ON
OFF
ON
ON
ON
Slot
PCIE_1
PCIE_4
PCIE_2
PCIE_3
ON
ON
ON
OFF
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Troubleshooting
