Default Settings; J8 Bus/Cpu Speed Ratio; Jcp Memory Drain; Jvr Cpu Voltage - American Megatrends Apollo User Manual

Step 2 Set Jumpers,
JCP Memory Drain JCP is a two-pin single-inline berg. In normal operation, JCP is OPEN. Short pins 1-2 to drain all power
CMOS RAM. Use this technique to remove a password that the user cannot remember. See the drawing on
page 16 for the JCP location.
J8 Bus/CPU Speed Ratio J8 is a two-pin berg that specifies the ratio between the PCI Local bus frequency and the CPU
frequency.
Short Pins 1-2 to specify a 1:2 ratio.
Leave J8 OPEN to specify a 3:2 ratio. See the drawing on page 16 for the J8 location.
JVR CPU Voltage JVR is a six-pin berg that specifies the CPU voltage.
Chapter 3 Installation
Continued
Step
1 Turn power off.
2 Place a shorting bridge on JCP for several seconds to
quickly drain CMOS RAM power.
3 Turn the power on for five seconds.
4 Turn power off again.
5 Remove the shorting bridge from JCP.
6 Turn power on again and boot the computer normally.
7 Press <Del> to run WINBIOS Setup. Load the Optimal
default settings by clicking on the Optimal icon on the
WINBIOS Setup screen (see page 47).
8 Modify the WINBIOS Setup Standard Setup, Advanced
Setup, Chipset Setup, Power Management Setup, and
Peripheral Setup options as appropriate.
9 Choose Save and Exit when leaving WINBIOS Setup.
CPU Voltage Voltage
Standard
3.3V Standard
3.45V VR
3.6V VRE
Action
JVR Setting
Short Pins 1-2.
Short Pins 3-4.
Short Pins 5-6.
Cont'd
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