Ntawm kev nco

Nco tau muab faib ua ob hom: DRAM THIAB ROM. Tus qub tseem hu ua Dynamic nkag mus cim xeeb, thiab nws lub ntsiab tseem ceeb yog cov ntaub ntawv yuav ploj tom qab lub zog tsis ua haujlwm. Lub cim xeeb peb feem ntau xa mus rau yog hom no; Cov tom kawg tseem hu ua kev nyeem nkaus xwb. Thaum peb khau raj, peb xub pib BIOS program khaws cia rau hauv ROM ntawm Motherboard, thiab tom qab ntawd siv nws los hu rau lub Windows ntawm lub hard drive. Ib qho ntawm lub ntsiab nta ntawm ROM yog cov ntaub ntawv yuav tsis ploj tom qab lub zog tsis ua haujlwm.
Raws li tus naj npawb ntawm cov pins ntawm lub cim xeeb module, peb tuaj yeem faib nws mus rau ib qho kev nco qab cov qauv 30 thiab 72 xaim hluav taws xob modules), muaj 72 xaim hluav taws xob uas muab tib lub teeb liab ntawm ob sab kub ntawm cov ntiv tes kub. 168 xaim hluav taws xob module tseem hu ua ob lub cim kem nco (dimm). 30 kab nco module tsis muaj lawm; Qhov nrov ntau yam hauv thawj ob xyoos yog 72 kab nco cov qauv, uas feem ntau muaj peev xwm ntawm 4 MB, 8 MB, 16 MB, thiab 32 MB; Lub ntsiab lus muaj ntau yam nyob rau hauv kev ua lag luam yog 168 kab cim xeeb ntawm 16MB, 324MB, 128M, thiab lwm yam.