User`s manual

P4M890-M7 SE
39
AC T (0) to AC T (1) ( tRRD )
This item allows you to determine the selection for ACT (0) to ACT (1) (tRRD)
The Choices: 3T (default).
1T CMD Support
The Choices: Disable (default), Auto.
DDR2 On Die Termination
Thi s opti on allo ws yo u to cho os e t he w orking typ e o f O DT.
The Choices: ODT Always ON (default), Dynamic ODT, ODT Always OFF.
CPU CLOCK
This item allows you to select CPU Clock, and CPU over clocking.
Special Notice:
If the system’s frequency that you are selected is not functioning, there are two
methods of booting-up the system.
Method 1:
Clear the COMS data by setting the JCOMS1 ((2-3) closed)) as “ ON” status. All
the CMOS data will be loaded as defaults setting.
Method 2:
Press the <Insert> key and Power button simultaneously, after that keep-on
pressing the <Insert> key until the power-on screen showed.
This action will boot-up the system according to FSB of the processor
It’s strongly recommended to set CPU Vcore and clock in d efault setting. If the
CPU Vcore and clock are not in default setting, it may cause CPU or M/B
damage.
The Choices: 100MHz(d efault); Min=100, Max=400, key in a DEC number.
Async P CIE CLO CK
This item allows you to select Async PCIE clock.
Min= 100 Max=150 Key in a DEC number.
The Choices: 100MHz(d efault) ; Min=100, Max=150, key in a DEC number.
CPU Clock Ratio
This item allows you to select the CPU Ratio.
Min= 6 Max= 50 Key in a DEC number.
The Choices: 6X (default).