Zotac nForce 790i-Supreme, User Manual

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ZOTAC nForce 790i-Supreme SLI Motherboard
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tCL: CAS# latency (options are 1 through 6).
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tRDC: RAS#-to-CAS# Delay for Read/Write commands to the same bank
(options are 1 through 7).
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tRP: Row Precharge time. This is the Precharge-to-Active or Auto-to-
Refresh of the same bank (options are 1 through 7).
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tRAS: This is the minimum RAS# active time (options are 1 through 31).
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Command Per Clock: This is the command timing setting on a per clock unit
basis (options are 1T and 2T).
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tRRD: RAS#-to-RAS# delay of different banks (options are 1 through 15).
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tRC: RAS#-to-RAS# or auto refresh time of the same bank (options are 1
through 31).
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tWR: The Write recovery time (options are 2 through 7).
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tWTR:
This is the minimum write-to-read delay with the same chip selected
(options are 1 through 10).
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tREF: This is the DRAM refresh rate (options are Auto, 7.8uS, and 3.9uS).