MSI 790XT-G45 Serie Bedienungsanleitung Seite 39

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Ths field has the capacty to automatcally detect all of the DRAM tmng. If you set
ths field to [DCT 0], [DCT 1] or [Both], some fields wll appear and selectable. DCT
0 controls channel A and DCT1 controls channel B.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. Ths controls the CAS latency, whch determnes the tmng delay (n
clock cycles) before SDRAM starts a read command after recevng t.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s adjustable.
When DRAM s refreshed, both rows and columns are addressed separately. Ths
setup tem allows you to determne the tmng of the transton from RAS (row address
strobe) to CAS (column address strobe). The less the clock cycles, the faster the
DRAM performance.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. Ths settng controls the number of cycles for Row Address Strobe (RAS)
to be allowed to precharge. If nsufficent tme s allowed for the RAS to accumulate
ts charge before DRAM refresh may be ncomplete and DRAM may fal to retan
data. Ths tem apples only when synchronous DRAM s nstalled n the system.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. Ths settng determnes the tme RAS takes to read from and wrte to a
memory cell.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. Ths settng controls the tme nterval between a read and a precharge
command.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. 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.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. It specfies the amount of delay (n clock cycles) that must elapse after
the completon of a vald wrte operaton, before an actve bank can be precharged.
Ths delay s requred to guarantee that data n the wrte buffers can be wrtten to the
memory cells before precharge occurs.
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When the DRAM Tmng Mode sets to [DCT 0], [DCT1] or [Both], the field s
adjustable. Specfies the actve-to-actve delay of dfferent banks.
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DRAM Tmng Mode
CAS Latency (CL)
tRCD
tRP
tRAS
tRTP
tRC
tWR
tRRD
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