ASROCK AM1H-ITX User Manual download pdf (Page 42)

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Command Rate (CR)

e delay between when a memory chip is selected and when the rst active command can

be issued.

RAS# Cycle Time (tRC)

Use this item to change RAS# Cycle Time (tRC) Auto/Manual setting.

Write Recovery Time (tWR)

e amount of delay that must elapse aer the completion of a valid write operation,

before an active bank can be precharged.

Refresh Cycle Time (tRFC)

e number of clocks from a Refresh command until the rst Activate command to

the same rank.

RAS to RAS Delay (tRRD)

e number of clocks between two rows activated in dierent banks of the same

rank.

Write to Read Delay (tWTR)

e number of clocks between the last valid write operation and the next read

command to the same internal bank.

Read to Precharge (tRTP)

e number of clocks that are inserted between a read command to a row pre-

charge command to the same rank.

Four Activate Window (tFAW)

e time window in which four activates are allowed the same rank.

Voltage Conguration

DRAM Voltage

Use this to select DRAM Voltage. e default value is [Auto].

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ASROCK AM1H-ITX User Manual Page 42