ECS A770M-A, Руководство пользователя, Страница: 39 / 54

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Using BIOS
Unganged Mode support (Auto)
This item is used to set the unganged mode support.
Power Down Enable (Enabled)
When in power down mode, if all pages of the DRAMs associated with a CKE pin are
closed, then these parts are placed in power down mode. Only pre-charge power down
mode is supported, not active power down mode.
Power Down Mode (Channel)
The DRAM channel is placed in power down when all chip selects associated with the
channel are idle.
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Memory CLK (333 MHz): This item shows the memory clock.
CAS Latency Time(Tcl) (5.0):
This item controls the timing delay (in
clockcycles)before the DRAM starts a read command after receiving it.
RAS/CAS Delay(Trcd) (5 CLK):
This is the amount of time a CAS is
performed after a RAS. The lower the better, but some DRAM does not
support low figures.
Row Precharge Time(Trp) (5 CLK): This item specifies the Row
precharge to Auto-Refresh of the same bank.
Min Active RAS(Tras) (15 CLK): This item determines the time RAS
takes to read from and write to a memory cell.
RAS/RAS Delay(Trrd) (3 CLK):
This item specifies the active-to-
active delay of different banks.
Row Cycle(Trc) (21 CLK):
Use this item to specify the Row Cycle
Time.
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Press <Esc> to return to the Advanced Chipset Setup page.