MSI 990XA-GD55 series

En-30
MS-7640 Manboard
Depend on CPU’s characterstc, once you get nstable scenaro, please restore the
default settngs for system.
You can also check the core numbers n performance tab of Wndows task
manager.
OC Gene Lte
Settng ths tem to [Enabled] allows the system to detect the maxmum FSB clock and
to overclock automatcally. If overclockng fals to run, you can try the lower FSB clock
for overclockng successfully.
Spread Spectrum
When the manboard’s clock generator pulses, the extreme values (spkes) of the pulses
create EMI (Electromagnetc Interference). The Spread Spectrum functon reduces the
EMI generated by modulatng the pulses so that the spkes of the pulses are reduced
to 󰘱atter curves.
Important
If you do not have any EMI problem, leave the settng at [Dsabled] for optmal system
stablty and performance. But f you are plagued by EMI, select the value of Spread
Spectrum for EMI reducton.
The greater the Spread Spectrum value s, the greater the EMI s reduced, and the
system wll become less stable. For the most sutable Spread Spectrum value, please
consult your local EMI regulaton.
Remember to dsable Spread Spectrum f you are overclockng because even a slght
jtter can ntroduce a temporary boost n clock speed whch may just cause your
overclocked processor to lock up.
DRAM Voltage/ NB Voltage/ CPU Voltage/ CPU-NB Voltage
These tems are used to adjust the voltage of CPU, Memory and chpset.
Overclockng pro󰘰les
Press <Enter> to enter the sub-menu.
Overclockng Pro󰘰les 1/ 2/ 3/ 4/ 5/ 6
Press <Enter> to enter the sub-menu. In the sub-menu, these tems are used to save
the current settngs, and you can to load the settngs from the stored pro󰘰le.
OC Retry Count
When overclockng has faled, settng ths tem as [1, 3] wll allow system to reboot
1/ 3 tmes wth the same overclocked con󰘰guraton. If overclockng has faled every
tme, the system wll restore the defaults.
CPU Spec󰘰catons
Press <Enter> to enter the sub-menu. The submenu shows the nformaton of nstalled
CPU.
CPU Technology Support
Press <Enter> to enter the sub-menu. The sub-menu shows the nstalled CPU
technologes. Read only.
MEMORY-Z
Press <Enter> to enter the sub-menu.
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