Dab tsi yog hom kev sib txawv?

Khoos phib tawj Ram yog qhov tseem ceeb hauv lub koos pij tawj, muab cov khoom siv volatile rau cov processors thiab ceev cov ntaub ntawv. Muaj ntau hom RAM, txhua tus nrog nws cov yam ntxwv tshwj xeeb thiab siv cov xwm txheej.
Dynamic random nkag mus nco (ua yeeb yam)
Dynamic Ram yog ib hom ram siv nyob rau hauv cov khoos phis tawm uas khaws cia txhua daim ntawm cov ntaub ntawv hauv cov khoom sib cais nyob hauv Circuit Court. Txawm li cas los xij, qaug zog yuav tsum tau tas mus li los khaws cov ntaub ntawv, uas yuav ua rau qeeb qeeb nrawm dua li piv rau lwm hom kev nco.
Zoo li qub Random Access Nco (SRAM)
SRAM tau nrawm dua li ua kom nrawm dua thiab tsis tas li tshiab vim tias nws siv hluav taws xob ua kom khaws txhua cov ntaub ntawv. Vim nws cov kev nkag mus nrawm nrawm, SRAM feem ntau siv hauv cache lub cim kom ua tiav kev nkag tau sai rau cov lus qhia thiab cov ntaub ntawv.
Synchronous Dynamic Random Nkag Nco (SDRAM)
SDRAMRYONOYLY NROG LUB CEV ZIB LUB CEV CEEV CEEV, ua tiav cov ntaub ntawv hloov chaw ua tiav ntau dua. Cov synchronization no tuaj yeem ua tiav cov ntaub ntawv ruaj khov thiab txo cov ntaub ntawv nkag mus. Ntau hom SDRAM, xws li Ob Chav Cov Ntaub Ntawv Nqi (DDR) SDRAM, yog tas li Evolving los muab cov nqi hloov pauv siab dua.
Ob Chav Cov Ntaub Ntawv (DDR) synchronous dynamic random nkag cim xeeb
DDR SDRAM Hloov cov ntaub ntawv ntawm kev nce thiab ntog ntawm cov cim taw qhia, ua tiav ob npaug ntawm cov ntaub ntawv hloov pauv piv rau kev ua si ib txwm piv rau kev ua si. DDR RAM tau ploj mus los ntawm ob peb tiam, thiab txhua qhov iteration (xws li DDR3, DDR4, thiab DDR4, thiab DDRR5) tau ua tiav kev ua tau zoo thiab txhim kho kev ua tau zoo thiab ua tiav.
Ob Chav Cov Ntaub Ntawv (GDDR) Synchronous Graphics Random Access Access Access
GDDR SDRAM yog tsim tshwj xeeb rau cov ntaub ntawv hloov kho nraaj (GPUS), nrog kev ua kom pom tseeb cov ntaub ntawv hloov pauv kom tau raws li cov kev xav tau ntawm cov duab kos xws li kev ua si thiab video rendering. Zoo ib yam li DDR RAM, GDDR tau dhau mus los ntawm ntau tiam, txhua tus nrog kev ua kom zoo nkauj bandwidth thiab kev ua tau zoo sib piv rau tiam dhau los.
Tsis hloov chaw dual hauv-line nco module (nvdimm)
Txawm hais tias feem ntau RAM yog volatile thiab poob tawm cov ntaub ntawv thaum muaj zog, NVDIMM sib txuas ntawm cov ceev ntawm cov ram uas tsis muaj zog ntawm kev cia. Txawm hais tias lub kaw lus tau siv tawm, NVDIMM tseem tuaj yeem khaws cov ntaub ntawv, ua rau nws haum rau cov ntawv thov uas tsis muaj peev xwm tseem ceeb heev.