Cov ntaub ntawv cim xeeb muaj zog

Tolearnmoreaboutmemory, thefollowingmustnotbemissed.
Thememoryclockcycle, accesstimeandCASdelaytimearethemostimportantparameterstomeasurethememoryperformancedlyly.TheycanallbesetinthemotherboardBIOS, uaswillbediscussedindetailintheBIOSinthefuture.

1.ClockCycle (TCK)

TCKisshortfor" ClockCycleTime" ;.
Itrepresentsthemaximumfrequencyatwhichmemorycanrun, andthesmallerthenumber, thehigherthefrequencyatwhichmemorycanrun.
Lub Sij Hawm Txoj Kev Cawv Vim Li Cas Kev Pauv Txawv Rau Qhov Cwj Pwm Sib Txawv, Ntev, TCK=1 / F.
Forexample, amemorychiplabeled" -10" hasarunningclockcycleof10ns, uasmeansitcanoperatenormallyat100MHz.

2.Accesstime (TAC)

TAC (AccessTimeFromCLK) standsfor" AccessTime" ;.
Unliketheclockcycle, TACrepresentonlythetimerequiredtoaccessthedata.
Forexample, amemorychiplabeled" -7J" indicatesthattheaccesstimeofthememorychipis7NS.
Theshortertheaccesstime, thebettertheperformanceofthememorybar.Forexample, iftwomemorybarsbothworkat133MHz, oneofthemhas6NSaccesstimeandtheotherhas7nsaccesstime, theformerisfasterthanthelatter.

3.CASdelaytime (CL)

CL (CASLatency) isanimportantindexofmemoryperformanceanditistheresponsetimeofmemorylongitudinaladdresspulse.
Thaumacomputerneedstoreaddataintomemory, thereisusuallya" bufferperiod" uantej txiavtxim cia.ThelengthofthebufferperiodisthisCL.
ThelowertheCLvalueofthememory, thebetter; yog li ntawd, shorteningtheCYCLEofCAShelpstospeeduptheoperationofthememoryatthesamefrequency.

4.Parity (ECC)

Memoryisakindofdatatransit" rhawv", andintheprocessoffrequenttransit, whathappensifthewrongdata?
ECCisadataverificationmechanism.
ECCcannotonlydeterminethecorrectnessofdata, butalsocorrectmosterenses.
Thiskindofmemoryisnotusuallyininmuaj kev txiav txim siab, tab sisinhigh-endervercomputers.