Foxconn Rattler User manual - Page 27

OnBoard Debug LED - oc

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2 CAUTION OC Switch Button: OC_SW1/2/3 You could press the three buttons to adjust the CPU clock directly, without to enter BIOS setup or any software. This process will not use any system resource, so there is no effect to the system performance. ■ Normally the OC function is disabled. All the led lights on these buttons will be turned off. ■ During booting, when the boot screen appears, press the OC_SW1 button to enter the OC mode and the led lights will turn on. At this moment the debug led will show "0.0". It means the CPU current clock is 100MHz(Default). ■ In the OC mode, pressing the OC_SW2 button will increase the CPU clock by 1 MHz per step, and the debug led code will increase 0.1 at the same time. The debug led code "0.1" means the CPU clock is 101 MHz. ■ In the OC mode, pressing the OC_SW3 button will decrease the clock by 1 MHz per step. This project does not support a clock lower than 100MHz. OC_SW1 OC_SW2 OC_SW3 ! ■ When the OC function is enabled by OC_SW1, the overclocking items in BIOS or software will be availble. It is controlled by the onboard buttons completely. ■ We do not guarantee the system will keep stable status In the overclocking mode. 2-7 OnBoard Debug LED 2-digital LED readout displays hardware status and enables quick error diagnosis. 20 20

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20
2
20
2-7 OnBoard Debug LED
2-digital LED readout displays hardware status and
enables quick error diagnosis.
OC Switch Button: OC_SW1/2/3
You could press the three buttons to adjust the CPU
clock directly, without to enter BIOS setup or any soft-
ware. This process will not use any system resource,
so there is no effect to the system performance.
■
Normally the OC function is disabled. All the
led lights on these buttons will be turned off.
■
During booting, when the boot screen ap-
pears, press the OC_SW1 button to enter
the OC mode and the led lights will turn
on. At this moment the debug led will show
“0.0”. It means the CPU current clock is
100MHz(Default).
■
In the OC mode, pressing the OC_SW2 but-
ton will increase the CPU clock by 1 MHz per
step, and the debug led code will increase 0.1
at the same time. The debug led code “0.1”
means the CPU clock is 101 MHz.
■
In the OC mode, pressing the OC_SW3 but-
ton will decrease the clock by 1 MHz per step.
This project does not support a clock lower
than 100MHz.
■
When the OC function is enabled by OC_SW1, the overclocking items in BIOS or
software will be availble. It is controlled by the onboard buttons completely.
■
We do not guarantee the system will keep stable status In the overclocking mode.
CAUTION
!
OC_SW1 OC_SW2 OC_SW3