RAM a farkon samar da model na kwakwalwa ne wani ɓangare daga cikin dukan tsarin. Watakila wani ya ambaci 80286 da kuma motherboards a gare su. A farko duba ya hada da wani babbar dama kananan haši soldered a cikin abin da guntu. Ina kara wani guntu - samu 'yan Kilobytes na RAM, ko da yake, kamar yadda mai mulkin, babu ginawa-up girma aka ba tsunduma. Kullum, da tsarin da aka sayi nan da nan tare da wani adadin ƙwaƙwalwar ajiyar. Na'am, kuma ICs farashin da aka quite high. Duk da haka, kamar yadda fasahar Manufacturing semiconductor kwakwalwan kwamfuta kudin gyara fara fada (da tsari na ci gaba a zamaninmu), kuma ya zama dole don ƙirƙirar wani wanda tsayawa bayani da cewa ba tare da wani matsaloli kara yawan RAM. Kuma ƙwaƙwalwar module da aka halitta (yanzu za ka iya ji da irin harshe na dabam magana - madauri). Tun daga nan, shi ya ɗauki dama shekarun da suka gabata: alternated matsayin, ingantattun guntu, amma da ra'ayin zauna canzawa.
Ta yaya memory module
Don rarrabe mashaya daga sauran gyara ne mai sauqi qwarai: shi ne wani rectangular farantin PCB a kan abin da daya ko garesu na guntu ana soldered. Ƙwaƙwalwar naúrar iya rufe ta da wani ƙarfe zafi kwatami cewa inganta zafi masha'a. Don haɗi zuwa motherboard samar da wani tsefe jan zamiya lambobi. A farko wannan shawarar zama da aka sani da SIMM, wanda tsaye ga "Single A Line Memory Module", watau, "memory, sanya tare da wannan layi." Don gyara su musamman haši an halitta a kan jirgin, a cikin abin da kowane memory module an saka a wani kwana na 30 digiri, sa'an nan mike up, gyarawa.
A tarihin ci gaban tube
Farko da SIMM-s dauke da duka na 30 gammaye, iya fariya na 2 har zuwa Mb ... da kuma takwas na lambar, wanda shi ne dalilin da ya sa suka yi da za a shigar a cikin nau'i-nau'i ga dace da tsarin bas. Development kusa Pentium processor da dama ga 32 bit lokaci dole hažaka ƙwaƙwalwar subsystem - madauri 72 Lambobin samu. Sa'an nan, har 1997, babu manyan canje-canje sanya ba. Ƙara a cikin juz'i na kwakwalwan kwamfuta, ba more. Amma nan da nan, wani sabon misali da aka halitta - DIMM, wanda tsaye ga "Dual A Line Memory Module". Wadannan kayayyaki sun jan lambobi da kuma wani na biyu gefe, da kuma lambar da aka karu zuwa 84 raka'a ta gefe. Bugu da ƙari, bit karu zuwa 64 ragowa. Af, na zamani module memory DDR2 kuma 64-bit (na al'ada guda tashar aiki).
Juyin Halitta DIMM
Bayan wani lokaci a kan mashaya fara ajiye SPD guntu, wanda Stores data a kan guntu ne yiwu - shi ne Sauki auto-sanyi. Bayyanar da kayayyaki da rage ƙarfin lantarki sa developers don ƙirƙirar musamman "key" - a cutout a cikin m block, ta hanyar abin da tsohuwar irin baka (da tsananin kokarin) sun jiki m tare da sabon. Girma mita, ta ƙara yawa na memory. Contact ya 184. Memory module da aka halitta domin a kwamfutar tafi-da-gidanka - daga talakawa shi ne daban-daban zane, wanda damar shirya da dama irin wannan yanke shawara a cikin wani karamin jiki na kwamfutar tafi-da-gidanka. Don inganta yi shi aka nuna a aika da data a wani kara yanayin - don haka da ciwon DDR tube, a cikin abin da sigina ne daukar kwayar cutar optimally. Sa'an nan da ciwon DDR2, a rage ƙarfin lantarki da kuma kara yin amfani da m m mita. A halin yanzu, DDR3 amfani da zamani a kwamfuta tsarin.