MSI A75A-G35 Manual - Manual (Page 49)

BIOS Setup MS-7695
Chapter 3
3-13
BIOS Setup MS-7695
Chapter 3
tRC
The row cycle tme determnes the mnmum number of clock cycles a memory row
takes to complete a full cycle, from row actvaton up to the prechargng of the actve
row.
tWR
Mnmum tme nterval between end of wrte data burst and the start of a precharge
command. Allows sense amplfiers to restore data to cells.
tRRD
Specfies the actve-to-actve delay of dfferent banks.
tWTR
Mnmum tme nterval between the end of wrte data burst and the start of a column-
read command. It allows I/O gatng to overdrve sense amplfiers before read
command starts.
tRFC0/ 1
These settngs determne the tme RFC0/1 takes to read from and wrte to a memory
cell.
Advanced Channel 1/ 2 Tmng Configuraton
Press to enter the sub-menu. And you can set the advanced memory tmng
for each channel.
tRWTT0/ tWRRD/ tWRWR/ tRDRD
These tems s used to set the memory tmngs for memory channel 1/ 2.
Bank Interleavng
Bank Interleavng s an mportant parameter for mprovng overclockng capablty of
memory. It allows system to access multple banks smultaneously.
NB Voltage/ DRAM Voltage/ SB Voltage
These tems are used to adjust the voltage of NB, memory and SB.
Spread Spectrum
Ths functon reduces the EMI (Electromagnetc Interference) generated by modulatng
clock generator pulses.
Important
If you do not have any EMI problem, leave the settng at [Dsabled] for optmal system
stablty and performance. But f you are plagued by EMI, select the value of Spread
Spectrum for EMI reducton.
The greater the Spread Spectrum value s, the greater the EMI s reduced, and the
system wll become less stable. For the most sutable Spread Spectrum value, please
consult your local EMI regulaton.
Remember to dsable Spread Spectrum f you are overclockng because even a slght
jtter can ntroduce a temporary boost n clock speed whch may just cause your
overclocked processor to lock up.
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