User manual MSI X79MA-GD45
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Manual abstract: user guide MSI X79MA-GD45
Detailed instructions for use are in the User's Guide.
[. . . ] X) Mainboard
Europe version
G52-77381X3
Preface
Copyright Notice
The material in this document is the intellectual property of MICRO-STAR INTERNATIONAL. We take every care in the preparation of this document, but no guarantee is given as to the correctness of its contents. Our products are under continual improvement and we reserve the right to make changes without notice. Trademarks
All trademarks in this manual are properties of their respective owners. [. . . ] En-22
Voice Genie Connector: JDLED3 (optional)
This connector is used to link to the voice control module (optional). Co 2
English
MultiConnect Panel Connector: JTURBO1 (optional)
This connector is used to connect an optional front panel for controling the OC Genie and some additional functions. 5V 1
En-23
MS-7738 Mainboard
V-Check Points
These voltage checkpoints are used to measure the current system voltages. To check the voltage, set the voltmeter switch to “DC”, put the positive lead (red) on the postivtive point of the voltage source point and the negative lead (black) on the GND (ground) point. The PCH voltage is the voltage supplied to the Platform Controller Hub. The PLL voltage is the voltage supplied to the process Phase Lock Loop. The DDR memory voltage is the voltage supplied to the DDR memory modules on the mainboard. Lower DDR timings may require higher voltages to maintain system stability. The CPU SA voltage is the voltage supplied to the IMC (Integrated Memory Controller) on the CPU. Higher overclocks may require a higher CPU SA voltage to maintain stability. Higher overclocks may require a higher CPU IO voltage to maintain stability. Higher overclocks may require higher CPU core voltages to maintain stability. DDR_A/B CPU_SA
CPU_IO
CPU_CORE
En-24
Jumpers
Clear CMOS Jumper: JBAT1
There is CMOS RAM onboard that is external powered from a battery located on the mainboard to save system configuration data. With the CMOS RAM, the system can automatically boot into the operating system (OS) every time it is turned on. If you want to clear the system configuration, set the jumpers to clear the CMOS RAM. English
1
1
Keep Data
Clear Data
Important
You can clear the CMOS RAM by shorting this jumper while the system is off. Do not clear the CMOS RAM while the system is on because it will damage the mainboard. Low Temperature Booting Jumper: JCOLD1, JCOLD2
These jumpers are used for liquid nitrogen cooling system to boot at an extreme low temperature. Try to set one or both jumpers to Enabled to increase the boot success rate. Disabled
Enabled
Important
Users will try extreme low temperature overclocking at their own risks. en-25
MS-7738 Mainboard
LED Status Indicators
CPU_PHASE LEDs
DIMM_WARNINGLEDs
DrMOS_ALARM LED
HDD LED
CPU_PHASE LEDs
These LEDs will change according to CPU loading. The higher the power phase number, the more reliable the power flow to the processor. [. . . ] Package C State limit This field allows you to select a C-state mode. Long duration power limit (W) This field allows you to adjust the TDP power limit for the long duration. Long duration maintained (s) This field allows you to adjust the maintaining time for long duration power limit. Short duration power limit (W) This field allows you to adjust the TDP power limit for the short duration. [. . . ]
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